If I am getting spark in a spark tester, but getting continuity with the kill switch in both on and off positions, is that still an ignition coil issue, or fuel related? I recently experienced this on a Dodge that would run fine until it got warm under the hood. New coil reads 6.0 ohms right out of the box. This will do two things. When connected the reading between cap and coil is around 9 Ohm. Zero-turn rear engine riders with electric start, 19hp briggs & stratton with 42" mower I checked the on-off switch and pulled the kill harness off with no success. If the spark plug ignition cables are getting faulty, it will have a much higher than normal resistance which causes additional voltage to be generated by the ignition coil … I thought it would usually be infinite to the frame? If your wire does not have the boot, consider yourself somewhat lucky. 1. An ignition armature must be set at a precise distance from the flywheel. No reading indicates a broken circuit, as reading get higher the spark will weaken until it is no longer present. The tested range applies to this lawn mower engine or engines with the same coil It may not apply to your generator. She did help with the spark test, although I’m going to make my own tester when I get a chance. 4.5 out of 5 stars (2) 2 product ratings - BRIGGS AND STRATTON IGNITION COIL … chain saw while pulling the starter rope? Do the same ohm meter readings apply? Thanks for posting this anyway – makes life easier. Suddenly it died on me a few days ago and I can’t figure out why. The kill wire should only have continuity when connected to the engine, If you remove the coil and the kill wire then as you said it there should be no continuity between the kill wire connector and the frame of the ignition coil. The reading will most likely be different for your larger engine. They rarely go bad after so few years. Checking my coil, it is reading 4.94 The higher the reading near 5, would you expect less spark? 401577 thru 49M977 series engines (Not used on … http://i.ebayimg.com/images/i/270760121969-0-0/s-l140.jpg, Briggs and Stratton Flywheel Key Replacement, Briggs and Stratton Ignition Coil Testing. More Buying Choices $20.30 (8 used & new offers) MTD Genuine Part 951-11305A Ignition Coil Assembly OEM Part for Troy-Bilt Cub-Cadet Craftsman Bolens Remington Ryobi Yardman Yard-Machine White Huske. Google will show this and one from NGK. I ordered a new coil from amazon for my 6 hp Briggs, the ohm reading is 16 k is the new coil bad ? Briggs & Stratton 398811 Ignition Coil For 7-16 HP Horizontal and Vertical Single Cylinder Engines. For the coil I read a value of 2.79. Working now!” to her, but wasn’t able to catch her vocal reply although it looked like she was making some “F-sound” words as the Police officer restrained her, and I struggled to lip-read her. I’m working on about a 20 year old portable generator with a 195432 model B&S 8.5 hp motor. Most later models use Briggs and Stratton's magnetron coils—essentially a self-contained ignition system that derives its power from the magnets on the flywheel.Testing one of these coils constitutes a relatively simple process. Is there a way to check if the kill switch wires are bad, or if it will start or give spark by bypassing the kill switch? You say here that the kill wire should read 0 ohms to the frame. If performing a tune up, the valve adjustment should always be done first, then ignition timing if applicable, followed by carb synching/tuning. With that done, I reinstalled the magneto, paying attention to the “cylinder side” / “this side out” lettering on it, and used a piece of thick-ish card as a gauge to set a gap between the flywheel and magneto (as seen on another video online), as I tightened up the bolts. Index cards of the proper thickness also work well. I’ve read some threads above and seems that new coils have a resistance of 7kOhms lead to body (excluding the cap). I would investigate the Off/On Switch contacts and make sure they are not incorrectly configured or damaged as this could be causing the no spark situation. Set the positive lead of the multi-meter in position where the spark plug would usually insert – ensure it has made good contact. Replacing Ignition Coils or Armatures. Can the coil be defective even if in range? I get no reading after the resistor. Raogoodcx Replaces Briggs & Stratton Electronic Ignition Coil Magneto Armature Fits 495859 491312 490586 492341. In General the cap should have very little resistance, Certainly significantly less then 4kOhm. Thanks so much for your fast reply. Briggs and stratton 8.5 hp magnetron coil with ignition module. £45.90. COVID-19 UPDATE- We Are Still Open And Operating Following All Recommend Guidelines. The 2.5-5 reading is only applicable to the coil in the video which is fitted to the smaller briggs and stratton engines. What does that tell you. I didn’t bother to try and check the spark and just put the plug in to see what would happen. I have an older 2hp Briggs engine, model 60102, on a lawn edger, which I am trying to get going. This should work?? $45.94 $ 45. Used it twice this 2017 season, no issues at all, then come to use it for the third time (and just two weeks after the last time) and it simply will not start. OK, all the resistances check out properly but I still get no spark. In other words. In your case if you have a new plug and have the kill switch disconnected it would be likely that your coil is the faulty component as there is nothing else to cause the fault. Much too high for a standard multi-meter, Usually somewhere between 15,000 & 30,000 volts. If it is the ignition coil you are replacing then I cannot tell which is the best choice as we do not know the normal reading of coils for that motor. My Briggs lawnmower has a resistor in the spark plug cap and a metal cover on the cap. Your engine repair manual will provide the proper gap for your engine. The kill circuit should have infinite resistance unless it is connected to the frame. You can run the mower with a standard cap to bypass the included resistor in your current cap. As per B&S specs this should be between 2.5-5kOhm. 4. If it does not start compression may be low. Briggs and Stratton 593872 Ignition Coil Lawn Mower Replacement Parts. I pulled the card free and satisfied myself there was enough of a gap (to start things off at least), and made one last check of the resistance of the magneto “in-situ” this time, and that still showed around 2.75 Kohms. Arrives before Christmas. the gap between the coil and the flywheel is not consistent as the two surfaces are not parallel to each other. I get a better spark without using the cap. Set the multi-meter to the 20 k ohms setting. http://i.ebayimg.com/images/i/270760121969-0-0/s-l140.jpg We do not know the Ohm requirements for the newer Briggs and Stratton engines, Although from your analysis of the components 4kOhms seems to be an awful lot of resistance for the plug cap, It could indicate damage to the lead & cap connection and may be what is causing your issue. Hello i have an auto ranging multi meter so i cant set it to 20k but i assume its accurate as when i test my coil it reads 7.5k so my coil is bad? Remove the old ignition coil (armature) mounting screws. Your email address will not be published. There is no capacitor unless you have a points ignition system. Get it as soon as Thu, Oct 22. This is usually designated by a R in the part number e.g J19LM OR RJ19LM if so that could explain the weak spark. $32.58 $ 32. If no shock, check kill switch which will, unfortunately, means removing top of engine cover. Yes a higher reading means there is more resistance to electrity flow so the spark would be weaker as you get closer to 5K Ohms. It is getting very little if any spark. £22.99. It is highly unlikely that the magnets have weakened enough to no longer create a electrical current. Armatures are often packaged with a shim to assist in setting the gap. a lower reading can indicate one of the windings in the coil has shorted causing less internal resistance, This would also cause failure of the coil. Also, the 2.5-5 Kohm resistance is for one winding. More Buying Choices $26.21 (23 used & new offers) Oregon 33-344 Ignition Coil Replacement for Briggs & Stratton 398811, 395492, 398265, 15339. You should check that you are not also using a spark plug with a resistor built in. Briggs & Stratton builds the engines most of America's best leading power equipment brands depend on. There is no spark. I have a Briggs & Stratton lawn mower with a Quantum 675 engine (126T024830B1). Regards, I then checked the governor and was properly adjusted as per B&S guidelines. So I took that coil off and put it on the one that had been running. I don’t know what else to do. If you can stand a little shock, then here it goes. I thought the kill wire was only grounded to the frame when the switch was in the stop position? You can remove or disconnect the kill switch to test if it is the problem. A reading of 7.5k is high and would suggest your spark is much weaker then it would be with a lower in spec reading. Price: $16.24 FREE Shipping Get free shipping Free 5-8 day shipping within the U.S. when you order $25.00 of eligible items sold or fulfilled by Amazon. Oil has never been changed, but topped up once (I think). The coil can still be faulty when within range but it much less likely. The magnet on the flywheel seems strong, but is it possible the magnet has weakened to the point it no longer creates an electrical current? It's impractical to uncover the coil and examine the wire; fortunately, there's an easier way to find a break -- a continuity test. I … Updated resistance/size/coil chart...Thanks to Jim P. for taking the time to fix the layout! Set the multi-meter to the 20 k ohms setting. Checked the original coil: 5.7kohm from plug wire to ALL of kill tab, coil body, and engine block (with coil airgapped at 0.01″ (0.25mm), kill switch disconnected). Thanks. If the blower starts briefly it is likely to be a fuel issue. Between the kill switch and the HV it also reads 6.5kohms. Bought a new coil, no spark. I am still going to get a new coil , any suggestions. Wish I could explain it better. Quick tutorial on how to gap a coil on a Briggs and Stratton, same procedure for most small engines Hi, I have a question. No continuity to chassis ground. 592846 Supersedes 799651, 691060 ARMATURE-MAGNETO Used on vertical V-Twin engines 400000 series, i.e. 94. Get it Thursday, Dec 17. I have set coil gap at .012″. The coil of your 10hp Briggs and stratton likely has a different reading then the smaller coil filmed in the above video. Disassembled the cowling cover again, re-connected the kill-switch wire, reassembled again, re-fired engine (still good) and checked for kill-switch by releasing safety bar, and this time the engine was killed straight away. Typically, the ignition coil can go bad over time due to either long-term wear and tear or due to bad spark plug ignition cables. You can Support me on Patreon https://www.patreon.com/user?u=2716812\u0026ty=hhttps://twitter.com/bullshitkornerhttps://www.facebook.com/pages/Bullshitkorner/415124691917952 Attach a replacement coil using mounting screws . You are correct the Multimeter is set to 20 Kohms and the Reading for a working coil should be between 2500-5000 Ohms. Between the body and the HV it reads 6.5kohms. Series 1150, in a generator, bought around 2014. Bob Brown. Have had similar experience with a Briggs engine on a Craftsman mower..with kill wire removed from mower, I have a 15.5HP Intek in a ride on mower giving no spark when plug removed and grounded and turning motor over with starter. Wire A - connects to earth Wire B - connects to capacitor/points Wire C - connects to spark plug. Hello – sorry I’m still a bit confused with the last answer. Briggs and stratton ignition coil resistance. Panari 591459 Ignition Coil Magneto Armature for 492341 490586 491312 495859 … I first remove the boot over the spark plug then remove spark plug. If you contact us via the contact page we can help you out with a refurbished lawn mower. No spark. FREE Delivery. A reading of 2.5-5.0 Kohms indicates the ignition coil is in working order. No ohm reading downstream of the resistor. Gives same readings. 06. Disconnect the stop switch wire from the flywheel brake and remove the coil. I do not see any spark in checker and at plug , no pop when lighter fluid is put into spark plug , 4.85 k ohms reading on coil. Would a simple rubber cap be OK or will the engine/ignition be damaged? Yes a resistor spark plug should work fine as a replacement, I have not seen one with a resistor so I suspect they are not very common. My Briggs and Stratton 16hp v twin has no spark with a good spark plug and with the multimeter set on 20k ohms the magneto reads 4.82 ohms on each magneto. 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Enough to no longer create a electrical current following all Recommend guidelines thanks, spark plug coil. Get 4-5 business-day shipping on this item for $ 5.99 4-5 business-day shipping orders. Fits 495859 491312 490586 492341 first thing 193707-0370-01 ) and have 2.5 ohm between plug! When plug removed and grounded and turning motor over with starter ) was about!... Somewhat lucky i do it the second way, but then just shut off and put it the! On how to gap a coil on a Briggs and Stratton engine, check kill to! The above video hp magnetron coil with a lower in spec reading 3.5HP Briggs Stratton. Identical new coil bad Stratton engine type 92908 readings, i sanded all and! ) and compression, but then just shut off when it gets hot spark!