Magneto buzz box To check if you're right there in the ball park ignition wise, reach up and grasp the rotor and turn it the way you did before. I decided to build a powerful, reliable, yet simple, buzzcoil. Includes a wiring diagram so you can build your own!This is a standard buzz DON ZIG MAGNETOS - TIMING BUZZER "The Buzz Box" The most accurate way to check and set timing when using a magneto. Check out the deal on Magneto Timing Box - - Works w All Point Style Mags Lights up-no BUZZ at Alkydigger Fuel Injection-Superchargers-Ignitions Feb 27, 2017 · The Buzz Box Project The making and eventual improvement, redesign and rebuild of a magneto timer - aka buzz box. With the plugs removed, there is no danger of an accidental start from rotating the prop and you do need the ignition turned ON to time it. The Tool For the purposes of this topic, the Magneto Timing Synchronizer will be referred to as a Magneto Timing Tool. Just attach the leads to the magneto, and adjust until you see the lights and hear t Oct 21, 2020 · This will also work for anyone running a Joe Hunt Mag on their XS. Dec 1, 2001 · Understanding ignition basics and building your own ignition system. Be sure to turn off buzzer or the 9v battery will discharge. It is made very cheaply, from parts most of us have lying around the garage. Tighten down the magneto, put the plugs back in and start your engine. If the ignition has points; it fires when the points open. Indust cap type - 24 degrees advance Taylor Pro Core Leads Autometer Signal Converter - comes with instructions Magneto Guys LED static timing box All in working order. 00 8991 MSD Timing Light Pro Self Powered works with all Mags too MSD-8991 $299. Be consistant however. 50 Magneto Timing Box - Works with all Point Style Mags - FIE-MAGTIMER $114. Cobbled this thing together some time ago to time my volatile RD350 2 Sep 23, 2015 · Huge inventory of sprint car, micro sprint, midget, 600 mini sprint and mini sprint parts. 83 or Best Offer from United States derosnopS ravensroostrelics 92% positive (67) Results matching fewer words Speedway 610R799 Magneto Distributor Ignition Timer Timing Test Box Free 30-day Returns|Expert Tech Support Brand New C $125. Thank you for checking it out. I used set the mag points gap at about . Fired up my blower motor right after I set the timing to 30 degrees and it runs flawlessly. display. In fact, what is said on the owner "manual" for the setting is to substract 24 to the total advance wich i believe is around 32 degres and once the buzz box rings, to advance the timing by 8 degres to get the initial timing set. The contact points occasionally need to be filed and regapped. I use Don Zig mags in LA Find many great new & used options and get the best deals for Genuine Vintage Vertex Magneto Buzz Box, Joe Hunt, Don Zig, Magasaurus at the best online prices at eBay! Free shipping for many products! Note the c/ever way Kingston modified the back of this box so that it would fit the standard Ford dash, The commutator and high tension terminals for the second and third coils and the magneto and battery terminals are attached to brass contacts that shift the terminal posts in toward the center of the box. there are a number of these available. 74 shipping Up for sale is this Don Zig Buzz Box Vertex Mallory Joe Hunt Magneto Tester w/ alligator clip leads The coils are stored in a dedicated box that is equipped with spring contacts that simply press up against metal buttons on the coil's wooden case. HUN-412999: $74. This method using modern parts, has separate coils - one for stepping up the voltage to feed the spark plug and one to act as the "interrupter" changing the DC battery voltage to pulsating AC. Apr 27, 2018 · I tried to point it toward cylinder 1, then check with the buzz box the opening point. Nov 2, 2025 · Precision Timing: Accurately sets magneto ignition timing before starting, ensuring your point system is properly adjusted for smooth and reliable engine operation. Mar 30, 2015 · DIY: How to make a buzzcoil While restoring my 1925 Wickström marine engine last winter, I came across some problems with the Bosch FF1-magneto that came with the engine. 3A at 12V will result in short point life as well as difficult magneto operation. You can make your own BUZZ COIL from easily obtained parts by visiting this link. TIMING BASICS. I'll be powering a spark plug on a Ferro Type 7 2-stroke. Checked battery compartment, and installed new 9V battery. 50 In Stock Related Items Search List Cart () Select a Manufacturer Select a Category Quick Search DON ZIG TECH CENTER MENU CHOOSING A MAGNETO. But recently he loaned out his engine tool kit, and I've wanted to have my own buzz box. WORKS GREAT AND COMES WITH A NEW 9V BATTERY SO ITS READY TO USE. Jan 10, 2019 · This is the procedure that I use. All the timing stuff is there (I think), so I Follow the directions that came with your magneto buzz box. Explore a wide range of our Magneto Buzz Box selection. Another thing to look at is your pushrod adjustement. There's also some motorcycle guy selling a home brew get up for about 30 bucks. These Paid Memberships help with site maintenance costs along with ongoing upgrades/enhancements. Same day shipping to anywhere. SOOOOO, I worked out a newer version with modern parts that are readily available. Then tighten down the mag. This buzz box is the best unit I've even seen or used. Magneto Timing Box - Audible / Visual Indicator - Gold - FIE Magnetos - Each Feb 23, 2005 · All this system is is a standard magneto box, a digital protractor, and plastic brackets to attach to the spinner. WHY DOESN'T MY TACHOMETER WORK? SHILDING DATA RETRIEVAL AND ACQUISITION DEVICES. Feb 27, 2017 · The buzz box - a shitty AC transformer disguised to be a welder? yes, but not in this case A buzz box, or rather, more technically termed a magneto timer, is a simple circuit designed to illuminate an LED and generate an audible pulse in an open circuit and to stop a pulse in a closed circuit. The last time I tried to time the left magneto on my -7A, it didn't seem to work. Magnetos do not cause your engine to run hot, lean out or burn up parts. FIE can also service, rebuild and flowtest your Enderle, Hilborn, Kinsler, or Waterman fuel injection pump. 99. A continuous spark occurs, and the rms or average primary coil current is measured by an analog meter. MISCELLANEOUS A magneto normally requires good crankshaft speed to produce enough ignition output to start the engine. I loosen the magneto hold down nuts enough to be able to rotate the magneto a little to adjust the timing. Sets timing perfectly with speed and ease, Very user friendly. Well constructed from aluminum, and long battery life. TECHNICAL INFORMATION Ignition Information Instructions for the use of a Buzz Box to time a Magneto The Eastern "buzz-box" magneto synchronizer is perhaps the most well known of its type. We flow test and match nozzles and flow entire mechanical fuel injection systems to find the optimal tuneup for your competition vehicle. I would start with less timing (28-30) and powertune for best timing. 74 shipping Topics discussed: Direct drive Bendix magneto Bendix magneto with retard SureSTART Timing the magnetos with “buzz box” Synchronizing the left and right magnetos Lycoming Service Bulletin 656 VERTEX Joe Hunt Vertex Magneto Cap Safety Pin - PAIR HUNT-3740 $8. Good Vibrations has one I think. It is a nice setup, but you can DIY it quite easily. The "500" kit includes all of the following parts: Jul 19, 2022 · Here's a link to the buzz box I built https://www. 58493/ ECCT Magneto Test Feature The included Magneto Test feature and included PC Software provides a real time tachometer display of engine RPM while displaying the numerical Magneto output RMS voltage under load and no load test conditions to display the magneto internal resistance to assist with troubleshooting magneto problems. There are even some who use completely non electronic methods, such as measuring spring tension, or listening for a certain We would like to show you a description here but the site won’t allow us. , User-Friendly Design: Simple and intuitive operation allows quick setup I made my buzz box myself. Adding a special feature. 03 Buy It Now One timing light illuminates and buzzes when the points are open. This timing light has three leads, green and red LEDs and an on / off switch. We can rebuild/refurbish and upgrade any magneto for more output at the sparkplug. Aug 15, 2021 · I have a TP-105 Magneto Synchronizer aka "Buzz Box". Jul 21, 2014 · I hook up my buzz box and found that my right mag (both are slick magnetos, left is a retard). 2. Timing Buzzers & Kill SwitchesMagneto Kill Switches Jul 23, 2020 · I've done so much Googling on building my own buzz box coil that I've overloaded my brain, and it seems like I know less about them now than when I knew nothing. A fortunate few own a hand cranked tester of the kind illustrated in the Model T Ford Service Manual. D. Jul 24, 2024 · Housing for DIY magneto timing device (Buzz Box). Jul 21, 2007 · Use a buzz box, clip the ground wire to the mag body, clip the red lead to the magneto P-lead (ground/kill stud). When not connected to any magneto and with the power switch selected On, both lights burn I built a buzz box magneto timer which I can use to time the contact of the magneto to ensure that spark is occurring at top dead center of the combustion cycle. After talking with one of the SHARP "electrical" guys at work he suggested that I instead get an LCR meter - used for measuring Capacitance and Inductance since (I believe) those are done with AC. 95PRINCIPAL- This device measures the change of inductance in the magneto coil when the points open or close. A switch allows for either a light or a tone at the precise time of contact point closure. 00 Book - Blown Nitro Racing on a Budget ( Ha-Ha) BS-BNROAB $62. For clarity and easy of photographing, the Apr 14, 2021 · Back in November 1999, I sadly consigned my old battery eating “buzz box,” a WW-II 1940s-era mechanical doorbell-ringer magneto timer, to that big buzz box dumpster in the sky. Purchased in 2009, never used. Others try and get by with simple buzz box testers. Vintage Synchronizer magneto engine ignition timing light. 95 Buzz Box coil tester. net The Supercar Registry > Classified Section > Pay it Forward Classifieds Magneto Buzz Box; 3 available User Name Eliminates the guesswork when timing a points-type ignition. The coil must be adjusted so you get one spark every 22. Timing a Lucas K2F magneto does not have to be a complicated, all-day ordeal. The Model T Ford used a buzz coil on each cylinder and a low tension timer to energize the buzz coils in some sequence hopefully resembling the firing order within a few degrees. Considered a must-have item, easy to use tool to set your timing accurately. 4. Step 9. I build one a long time ago in A&P school and now I would like to build one again and I have looked high and low on the internet for one and no luck. Lycoming O-360. Will I harm my engine by using a magneto? Absolutely Not. Antique Wooden Coil Box Split Dorf Magneto Switch Automobile Brass Era Buzz Box Pre-Owned C $61. Bad to the bone. Generally when I set it on my racecar, I set the crank timing mark at 30* btdc. 99 Add to Cart Back to Products Supercar Registry/Yenko. It is wise to keep these clean and dry by simply wiping them down with some kind of solvent solution at least annually. They also have the proceedure in their FAQ Be sure to hold back against rotor rotation as you come up on the timing mark. 5K views 9 years ago Using a Buzz Box to Set the magneto on a Johnson Evinrude Gale OMCmore Dec 29, 2023 · Ignition Timing Tester, "Buzzbox", LM4100,Product Description Ignition Timing Tester "Buzzbox" Eliminates the guesswork when timing a points-type ignition. Just attach the leads to the magneto, and adjust until you see the lights and hear the buzz! Jun 27, 2020 · Since there's two mags on an airplane, that box lets you time both of them together for final installation. Get the best deals for Magneto Timing Box at eBay. You'll love it! The ATS E50A Magneto Synchronizer is a modern redesign of the classic test instrument used by aviation mechanics around the world for over 50 years. Mar 3, 2021 · Using a timing light or buzz box, verify that the prop has not moved and the timing marks still aligned. net Community Links Members List Album Gallery Search Forums Show ThreadsShow Posts Tag Search Advanced Search Find All Thanked Posts Thread Tools Display Modes # 1 Today, 01:57 PM Lynn Yenko Contributing Member Join Date: Feb 2005 Location: Oklahoma Posts: 7,733 Thanks: 88 Thanked 3,549 Times in 1,500 Posts Magneto Buzz May 30, 2024 · Vech sold a buzz box which eliminated the need to remove wires. […] The Eastern "buzz-box" magneto synchronizer is perhaps the most well known of its type. If you are not understanding why this is important go read the Magneto timing page HERE. thx, dakota Apr 25, 2018 · I'm timing the magneto on my engine. Often, one mag will fire a given number of degrees later than the first to ensure complete combustion, and the buzz box gives the mechanic an auditory and visual signal for when each mag fires individually. Magneto Timing Lights / Synchronizers These devices measure the change in inductance in the magneto coil when the points open and close. WIRING Inductor Magneto Synchronizer - Dual With Tweeter This INDUCTOR Magneto Timing Device is a new concept utilizing the latest digital integrated circuitry, thus eliminating the need for the battery draining mechanical buzzer found in most of Feb 15, 2011 · Re: Buzz boxes for setting mag timing by John R » Wed Feb 16, 2011 4:56 am Check with ATS (Aviation tool supply) under magneto synchronizer. Rotate the magneto housing in the opposite direction of rotation until the points just begin to open and the tone changes. Users are instructed to set to 1. Engines make a lot of heat on initial break in, I wouldn't want to risk detonation. 016" and the plugs can be set from '018" to '020". 3A at 6V. Just attach the leads to the magneto, and adjust until you see the lights and hear the buzz! Jan 3, 2023 · You can use a buzz box or test light at this point . Rotate crankshaft until desired amount of ignition timing is lined with timing pointer. If you drive your Model T on the magneto "buzz box" tester close is not good enough when it comes to the Model T ignition system. 50 PAIR of Vertex Magneto Base Nuts HUNT-3060 $13. Am I missing something something? My query is that both sides of the points don’t appear to be insulated from each ot Sep 12, 2016 · Don Zig Magneto, originally from the Renn Kafer Cup winning Joe Maestas Oval. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Buzz Box Magneto Aviation Timing Kit Posted over 3 years ago in Spokane, WA TONYSAC Joined Aug 2016 | Jul 16, 2011 · Adjust your magneto with the buzz box to get it to open the points right at 25°. A dual magneto timer/buzzer (designed for aircraft engines with twin mags), for only 23 US$! So I ordered two in kit form which were shipped express and arrived within 10 days here in Austria. It can be purchased from ATS (Aircraft Tool Supply) under their P/N E50 or from US Tool, P/N TP105E for $88-90. is firing at 28 degrees - so definitely a little early. My hangarmate has a dual mag buzz box, and I've been bumming it off him. This Magneto Synchronizer is specifically designed for use with Buzzz Box ignition systems, which are widely recognized for their durability and reliability. So, I need some direction. Aug 19, 2023 · This kit includes the necessary parts to give your aging magneto a tune up at home without sending it in for service. The Eastern "buzz-box" magneto synchronizer is perhaps the most well known of its type. Oct 6, 2009 · Re: DIY buzz box for magneto timing I dunno, maybe my old Fluke 29 Series II uses a different method for testing diodes: On a Kiekhaefer 4D-5 mag it reads . Of all the tools I have in my 14' long snap-on tool box, this one is by far the coolest one I've used. Speedway Magneto Timing Test Box Tool made by Speedway Motors, for as low as $90. Can also be used as a continuity tester. (There is a "kit" buzz box available that is very affordable, for those who want to build their own) Connect it to a convenient engine case bolt (ground) and to each magneto terminal (the same stud your mag switch is connected to). Popular amongst Model T owners are the simple "buzz box" testers - so called because they usually consist of a wooden box, into which the coil is placed, and powered up from 6V. Aircraft buzz boxes have two little lights to allow simultaneous timing of the two mags, but since this is not needed for a single ignition engine, the plans show how to build a one-magneto system timer. , Versatile Compatibility: Works with a variety of magneto systems (“mags”), making it ideal for use across multiple engines and performance applications. Just connect to the magneto, rotate to the timing mark, then rotate magneto until the buzz stops and the light flickers. Just attach the leads to the magneto, and adjust until you see the lights and hear the buzz! MAGNETO IGNITION SYSTEM SUPER-MAG® II, III, IV, V SPRINTMAG®, SPRINTMAG® II, SPRINTMAG® III IGNITION TIMING Follow the included procedure for setting initial ignition timing using a magneto static timer (buzz box). The Buzzz Box Magneto Synchronizer is a precision-crafted device that utilizes advanced magnetic technology to synchronize the spark timing between the engine's cylinders. Supporting this site is easy, click on link below to show your support: https You can make your own BUZZ COIL from easily obtained parts by visiting this link. Always treat an engine with a magneto as if the mag is hot. A switch allows for either a light or a tone at the moment of point Hello All, I am looking for a wiring diagram for a build it yourself magneto timing box. You may be wise to contact the company who is servicing your mag for instructions. 01-. Simply shorting the clip leads together will not indicate a point closing, therefore eliminating any false reading caused by loss of contact to the magneto grounding unit Quick and easy way to time your motor. Ingredients: 1) Aug 24, 2020 · A Buzz box is a self powered device that tell you when the points open. The buzz box allows the mechanic to accomplish this quickly and accurately. No matter which Don Zig magneto you choose to buy for your engine, no matter how high the amperage rating of that magneto is, the fact that the ignition is now supplied by a magneto will not harm your engine in any way. Its simple design makes it absolutely foolproof. com/timing. Oct 26, 2009 · Hi, Who knows how I can make a buzzbox? I have found some topics on the internet, but these buzz boxes are for a double magneto and for airplanes I am looking for a wiring diagram for a build it yourself magneto timing box. A switch allows for either a light or a tone at the moment of point Model T owners have often come up against the difficulty of correctly testing and adjusting their ignition coils. com. Magnetos are in fact the most consistent Up for sale is this Don Zig Buzz Box Vertex Mallory Joe Hunt Magneto Tester w/ alligator clip leads The coils are stored in a dedicated box that is equipped with spring contacts that simply press up against metal buttons on the coil's wooden case. My understanding is that is the most accurate. Made to exclusive Morris Magneto specs, this solid state unit detects induction, not "buzz box" continuity. You can apply various back pressures against the rotor to test this. How to Set a Magneto Using a Buzz Box 1. The Mallory Magneto Start Assist Box is designed to electronically connect the magneto system to the engine's starter solenoid. When you find the points wire connect a Buzz Box to it and turn it on. There are many ways to go about it, but this is an easy/quick way to get your K2F dialed in. Most battery /coil and magneto ignition systems produce a single spark when the points open. 57 V each. Rotate the magneto on the engine to find the point where the points just begin to open, tighten the magneto hardware. Provides a space for a 9V battery, buzzer, and wiring—similar profile to an Altoids container. The good news is the points change the resistance in the wire and that resistance change can be recognized with a Buzz Box, so you can know exactly when your points open and your spark occurs. My magneto timing box walked away some time ago, so in the market for another one. 00 + $9. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Mar 8, 2011 · Dear Supercar Registry Member, To post in the Classified you must be a Contributing, Premier or Advertising Member. Buy MAGNETO TIMING TEST BOX BUZZ BOX MAG TIMER SINGLE MAGNETO TIMING LIGHT in Smiths Creek, Michigan, US, for US $49. With the ignition on, turn the engine until you hear the plugs snap when the spark jumps at points opening. Find out where last cylinder segment in firing order is in cap and mark on outside of generator case. I'm using a timing pin and timing light (buzz box). I'm having trouble with the magneto. Order Ships Free When This Item Is Included And Exceeds $175 FIE Inductive Magneto Timer Box with battery Magneto Buzz Box. Find MAGNETO TIMING TEST BOX DUAL MAGNETO SYNCHRONIZER BUZZ BOX MAG TIMER in Smiths Creek, Michigan, US, for US $54. Model T owners have often come up against the difficulty of correctly testing and adjusting their ignition coils. Yes I know it is cheaper to buy one but I just MAGNETO SYNCHRONIZER - The ATS E50A Magneto Synchronizer is a modern redesign of the classic test instrument used by aviation mechanics around the world for over 50 years. IF YOU HAVE A WEAK CYLINDER DIMENSIONAL PRODUCT DRAWINGS. Jun 15, 2012 · I set my magnetos up using s buzz box. In addition to helping keep the site running, paid members also provide full use of the classifieds. dialed in the mag with the buzz box, tightened the nut, checked the advance with the strobelight and thightened the hex nut a bit more then the screw. Subscribed 10 3. html BASICS 1. The engine is currently at 25 degrees BTDC. WILL I HARM MY ENGINE BY USING A MAGNETO? WHAT KIND OF SPARK PLUG WIRES SHOULD I USE WITH MY MAGNETO? IF YOU HAVE NEVER USED A MAGNETO BEFORE. perfect accessory for your cal-look Jun 30, 2023 · Yes i think so. Find top brands, exclusive offers, and unbeatable prices on eBay. Magneto Timing Mechanism Good Vibrations has Been Empowering Racers Since 1989 ATS E50A Magneto Sychronizer The buzz-box magneto synchronizer is perhaps the most well known of its type. It uses surface-mounted (SMD) micro-circuitry to eliminate the need for the bulky vibrator, and heavy transformers. 5 degrees of crankshaft movement. 03 volts while the rotor is moving (slowly) and 0 if it's not; no difference whether the points are open or closed. 2mm Layer Height -20% Infill (Cubic) Inspiration came from just wanting a cheaper alternative from existing timers on the market, and not wanting to buy an Motorcycle MagnetosAccessories Oct 10, 2005 · RVators, If you're like me and have at least one magneto, you gotta check timing from time to time. Have your engine flywheel line up to the correct ADVANCE mark, and rotate the mag body until the buzz box window just starts to throw spark across the box window points. Includes instructions. This is the point at which the magneto will produce a spark. Simply shorting the clip leads together will not indicate a point closing, therefore eliminating any fa Quick and easy way to time your motor. Of course, this tool has other names, ranging Buzz Box as a nod to the buzzing or whistling sound that backs up the on and off illumination of the timing lights, to other, very salty terms when struggling with the tool on a late Friday afternoon. Speedway Magneto Timing Test Box Tool Made By Speedway Motors, For As Low As $90. xs650. Remember you kill the magneto by grounding the P-lead to the engine case. Shop now for fast shipping and easy returns! I built a buzz box magneto timer which I can use to time the contact of the magneto to ensure that spark is occurring at top dead center of the combustion cycle. Slip on top with integrated speaker holes and notch for wire leads. -Printed in PLA -0. Timing may be checked with most timing lights after installation is complete. All this is done on the compression stroke. Secure the plugs such that the threads touch the engine fins. . Aircraft buzz boxes have two little lights to allow simultaneous timing of the two magnetos, but since this is not needed for a single ignition engine, the plans show how to build a one-magneto system timer. com/threads/der-buzzmacher-or-diy-magneto-buzz-box. If you have ever looked into building your own magneto timing buzz box you know that all the DIY plans are from the 70-80's and are transistor based with the necessary parts no longer being produced. My magneto timing buzzer build, with LED indicator and output jack for headphones. Our unit features solid state circuitry, a recessed switch designed to prevent accidental turn on, flexible leads and an electronic tone generator in conjunction with an L. Get the best deals for Magneto Buzz Box at eBay. Dec 12, 2016 · As promised, here is some tech on how to time your Lucas K2f and K2FC magneto. For determining when the points open Yenko. Anyone here know where one might be in an online format or now of a brief check list to make Mar 21, 2008 · The cheapest BUZZ BOX I could find was a HUNT on Ebay for 70 bucks. Not recommended for accurate adjustment, but will get the car drivable. View attachment 13711 I made my buzz box myself. The Dec 7, 2017 · Having decided that spending $200+ on a Wico EK magneto was not in the cards, I decided to do some internet research and make my own buzz coil - at least so I can see/hear my Hercules 2 HP engine run. Feb 16, 2020 · Then connect magneto timing box to each magneto P-lead and to ground. Jun 13, 2025 · I’m building a 1948 ish B31 from bits and I’m up to ignition stage, I had the magneto rebuilt and I’ve fitted the points and am about to set the ignition timing. Can be used for for testing other things, like starter relays or standard battery-coil ignition timing (with the power disconnected!). Next, turn the engine in the normal direction of rotation past the timing mark until you hear the impulse coupling click. When the magneto is hot, higher crankshaft speeds are required. http://donzig. Sometimes there may be a problem May 20, 2009 · The buzz box is the time honored way to do this. Note that for those who have ideas of using a 12V battery with this kind of coil tester, the current readings are completely different, and setting to 1. FIRING ORDER CHART. Order Online or call 800-664-2788. Feb 26, 2008 · I'm running a Joe Hunt Magneto on my 67 Bonnevile. Order ships free when this item is included and exceeds $175. I used the Eastern aviation one allot, when I worked as an aircraft mechanic. E. Nov 1, 2003 · Virtually all piston aircraft engines use dual magneto ignition, and the magnetos must be properly timed, both internally and to the engine. This of course is called the "buzz box" and is probably the best-known and most widely used magneto timing light on the market today. To check if you are right there in the ball park ignition wise, reach up and grasp the rotor and turn it the way you did before. Jul 14, 2014 · Ok so I mentioned something in the classifieds in response to someone asking to buy a morris buzz box and a bunch of people have PM’ed me so I figured I’d post pictures/schematics to easily build your own timing buzz box for next to nothing. A magneto timer is used to ensure that the magneto is making contact, and thus that a spark is Antique Wooden Coil Box Split Dorf Magneto Switch Automobile Brass Era Buzz Box $45. The lightspeed is timed correctly and was easy to do. Rotate the mag, until the points just barely begin to open, setting off the light or buzz box. Since I don't have the knowledge to restore magnetos yet, I decided to put it on the shelf waiting for better days. The timer more or less is a switching signal generator that generates a signal in the event of an open circuit and does not generate a signal in the event of a closed circuit. I have one lightpeed ignition and one magneto. Here is where my question comes in: Does it matter which direction I rotate the magneto? Use a battery powered magneto timing light such as a model E50 from Eastern Electronics. 3. I've come across a Buzz Box which I hear is a slick way to set the timing but I can't find a step by step instruction manual on how to correctly use it. MAGNETO STATIC TIMER (BUZZ BOX) Part #: I-2098 Vendor: FIE Weight: 0. I had the old buzz-box and it worked good enough I guess. In its place, I brought forth one of those newfangled integrated-circuit, low-power, electronic audio buzzers with optical LED display powered by a few small AA cells. I would and will recommend it to everyone I see and talk to that runs a magneto Jul 28, 2025 · Agree, simple continuity checking buzz box won't work - need to discern a short of the breaker points from the near short but inductance of the magneto primary. If your still having problems with the buzz box not working and the internal battery is good along with correct lead locations, remove your p-leads and try again. What mag are you testing and what are the connection points? Sep 23, 2015 · Timing your Magneto is easy with the simple tool made for magnetos that has been used for years properly named a "buzz box". Powers on. Another way is to remove the plugs and put them back into the high tension leads. It should buzz when back pressure is applied to rotor; and quit buzzing with reduction of pressure. With the magneto secured and the timing light / buzz box still connected, rotate the prop backwards about 20 degrees. Find out where #1 cylinder segment is in the cap and mark on outside of generator case with marker. All 4 - AA batteries inside the case read at least 1. To buy one of these suckers The buzz box allows the mechanic to accomplish this quickly and accurately. Below is a link to step by step instructions on how to use one. Now turn the engine flywheel till the "F" mark on the flywheel matches the stationary mark on the engine crankcase. and had marks on both the manifold and mag housing so that when I dropped it and the rotor rotated in everything came close to lining up. It is marked points open when lights out. Line up all intermediate oil pump drives and gear drive THIS IS A STANDARD MALLORY IGNITION BUZZ BOX / TIMING BUZZER FOR SETTING TIMING ON THE MALLORY SUPER MAG MAGNETO IGNITION SYSTEMS. WIRING DRAWINGS. Allows you to concentrate on adjusting the points without having to look at your multi-meter for a reading, just listen for the audible tone to know when your points close. Simply shorting the clip leads together will not indicate a point closing, therefore eliminating any false reading caused by loss of contact to the magneto grounding The NOS Vertex Scintilla Ronco Magneto Buzz Box Timer R798 5798 is a versatile tool that can be used for a variety of applications, including timing the ignition on classic cars, motorcycles, and other vehicles. , User-Friendly Design: Simple and intuitive operation allows quick setup Jul 15, 2021 · I agree with others that simply rotating the magneto without some timing apparatus (buzz box) is a bad idea, but wanted to answer the question. During starting, the Magneto Start Assist Box "boosts" the magneto output, creating a strong starting spark even at very low cranking RPM. 4 $108. You can use an ohm meter instead of a buzz box. Also useful to test your magneto for 'ready to run' by simply connecting the tool any time, then turn the motor.