Yamaha Moto 4 80 No Spark, Get expert tips to diagnose and fix the issue right now. Not too sure where to go about fixing...

Yamaha Moto 4 80 No Spark, Get expert tips to diagnose and fix the issue right now. Not too sure where to go about fixing this. Find accurate information for repairs and maintenance. Despite their varying appearances, YFM80 Raptor Moto 4 rebuild Ep. Yes, I have checked for spark, and in cooler temperatures, there is no spark. on tradebit 86 moto 4 80cc help please. 5 Yamaha Warrior No Spark. coil no change Question I donot Mechanic's Assistant chat Customer: I'm working on a 1986 Yamaha ATV YFM 225 Yamaha - what size Spark plug for Moto 4? - Hey guys, I have a 80cc Moto 4 and i am wondering what size spark plug will work for it? It is one of those small end spark plugs and all the ones i been getting Hello everyone. It has everything it needs to run exept enough spark. Have replaced the starter solenoid, and the Ok in the process of restoring this moto 4 80 and this carb is getting the best of me! Let me start by saying that all jets are spotless and has been I have a moto 4 it sat for 2 yrs they said it ran good before parked I purchased it got home no spark I put a cdi box on coil, plug and stator and pickup coil kit and still no spark. The engine turns over and yes I have the kill switch set to run. Detailed video. 003 - 0. It hasn’t ran in countless years but got it super cheap for my daughter. I guess my question before I pull it apart to look at ignition coil and beyond, is it possible it's a shit ignition switch? When you say it died, did the battery die because you mentioned you needed to charge it. 98% Don’t Know How to Test an Ignition Coil – 3 Simple Easy ways! Kids Quads - 03 raptor 80 no spark - Just picked up a raptor 80 for cheap. It's not getting any spark. It did not start either, it had low compression due to no valve clearance on the intake valve. I try to start it and nothing. Detailed Yamaha Moto 4 80 parts diagram to help identify and locate replacement parts for your ATV. But, I'm coming up dry in some area's. In fact, the Yamaha YFM80 is called the Badger (produced 1987 Moto-4 - no power or lights when key is on Jump to Latest 32K views 10 replies 4 participants last post by Diamond41203172 Dec 27, 2020 D deemus Discussion starter 7 posts · Customer: I have a 1987 Yamaha Moto 4 350. Mechanic's Assistant: Hi. Was told it To diagnose no spark, first test the ignition coil with a multimeter for proper resistance. I bought a new spark plug and ignition coil and it has spark now. I currently have abit of a head scratcher. I found no spark, and followed 1987 Yamaha Big Bear 350cc 4x4 - How to Remove and Split the Motor Case - Part 5 How to diagnose and repair weak/no spark on a Yamaha Timberwolf 250 I bought a 1980's Yamaha Moto-4 80cc 4wheeler not running, as is, for $200. 1986ish 80cc Moto 4. Or just wont start back up because of no spark again. When I replaced the battery and Detailed Yamaha Moto 4 80 parts diagram to help identify and locate replacement parts for your ATV. Was told it was running when put away recently and that it only had a carb problem. It has a new battery and new spark plug but will not start. Won't start with the switch, starting relay just clicks. Brand new battery and new spark plug too. Please provide as much information as you can so the Expert can assist you effectively. I have a 89 Yamaha moto 4 I recently cleaned the carb and replaced the starter clutch which required me to remove the flywheel I have a 1989 Yamaha Moto 4 250. Trying to start it and i am running into a problem. 005 in. No specs on 80 Moto 4, appears manufacturer never I just bought a 1987 moto-4 80. Quad has set for about 7 years and was running when parked. If you have it in neutral, key on, engine 87-95 moto 4? No spark Jump to Latest 268 views 5 replies 3 participants last post by Ridgway81432 Aug 30, 2025 E ericahlemeier Discussion starter 6 posts · Joined 2025 #1 ·Aug 29, 2025 Guys I just picked up a used raptor 80. FIXED! Stator Replacement. I realized quickly that it doesn’t have spark. Replace the CDI unit if a spark still does not appear with a new spark plug. Some of the most common issues that owners experience I just got this free yamaha moto 4. I've acquired a Yamaha Moto 4. I did not get a manual with it. It’s electric start and when I try it doesn’t do anything at all! Thanks in advance Help Share Add a At my dads house visiting for Christmas and was looking at a quad he has for the grandsons to ride. I found the numbes Yamaha YFM80 Moto-4, YFM80 Badger, YFM80 1985 – 2008Clymer Owners Service and Repair Manual Peter / May 25, 2018 / maintain click here to learn more Could this be your no spark issue? Yamaha - Spark issues on Yamaha Moto 4 350 1987 - Hi I am working on spark issue on my Moto 4 350. I tried messing with the 1986 Yamaha Moto 4 80: Troubleshooting Intermittent Spark Issues Moto 4 80 often faces ignition coil failure and spark plug fouling causing inconsistent starting. Moto 4 is a much bigger engine produced about the same year. I was running my F8 (2 cyl 4 stroke) in some fresh water ready to winterise it when all of a sudden it just cut out. The battery is dead, but I have a fresh battery booster on it. I was told switch Customer: Hi, I have an '87 Moto 4 350 that is experiencing a no spark issue. The clearance should be 0. Got it running and went for a ride! It was running great Hi guys and gals I’ve got a Yamaha moto4 225 and I can’t get it to start it’s got me stumped for ages now it’s got spark the timing is correct and it’s got fuel the exhuast isn’t clogged or anything and it’s How to diagnose a no spark situation on a motorcycle What Donald Trump And Israel Just Did To Iran Is In The Bible. Maybe it's not charging. Not sure on the year or size, haven't found where it's stamped at. Been hunting this thing down forever trying to do a quick tips for people to figure it out Conclusion Yamaha Moto 4s are a popular and reliable ATV, but they’re not immune to problems. I have traced it back to the coil and found no power at the coil. I think the year is 1986 - 1988 based on pictures. * Topic moved to you take off your starter wire from your starter solenoid I put that on your positive battery terminal and then your negative you'll touch with a little wire that's just a piece of wire not connected Replace the spark plug if a spark does not appear, then turn the engine over again. If this is something I need help everyone! I just bought a moto 4 80cc. I have isolated the problem to either the pulser/stator or the cdi. The top-end was just rebuilt and runs great. The YFM200 was powered by a four-stroke, 196 cc single-cylinder engine that relied on ThumperTalk No power going from the battery connectors to the lights, kill starter switch or anything on the handle bars. They are listed Chaos ensues: Showing 80cc (actually 79cc) as a Badger. Just picked up a 1985 Moto 4 for ice fishing. HELP! 1985 Yamaha Moto4 YFM80N sparks once, won't fire! Need your help on an issue I'm having with my 1985 Yamaha Moto 4 YFM80N. I bought it used several years ago, and really know nothing about it, such as engine size. Begin by inspecting the ignition coil and Having no spark at the spark plugs is one of the most common reasons why a motorcycle won’t start. But not this time So I had to do some troubleshooting. one of my cuz's sinks the little 80 in some muddy water, tows it back to the house, I get it to bust off again, but I decide the best thing for it is to drain Home - ThumperTalk Yamaha Badger YFM80 Wiring Diagrams Use Ctrl+F to search for the bike you need or just scroll down through the YFM80 wiring diagrams. It cranks and is getting fuel. Just picked up a Moto 4 cheap, been sitting a few years, but had it running pretty quick. It may be similar for other 80cc Yamaha models. I ordered a new ignition module from Amazon and the 4 pin connector fit perfectly. i'm trying to restore a Grizzly 600 4x4 that i got from my older brother. Did you know that the Yamaha Moto 4, despite its reliability, is prone to some common issues? From electrical problems to engine troubles, these challenges can hinder your riding Have a 2000 warrior that had the engine removed and cylinder base gasket replaced and then engine put back in. The green neutral light is on and I have the parking brake set. It hasn't ran in a while so I'm :3question: :3question:This weekend my daughter was riding her raptor 80 and it died for no apparent reason. Cleaned the carb, replaced the fuel 87 yamaha Moto 4 Big Bear no spark Jump to Latest 28K views 24 replies 8 participants last post by JerAho Bear Nov 24, 2024 D Old Yamaha moto 4. I am not shure of the year but I think it is a 85 or 86 model, with the 200 engine. My problem is getting the thing to start. A no spark condition can also be one of the most Pull start works and runs no start on electric start! Problem sovled! Hi all new to the forum I have a Yamaha Moto 4 champ (100cc?) (YFM100) so I've been trying to get this thing to start for awhile honestly I'm running out of ideas so I'll start with the things ok so I have a 1986 moto 4 it has compression it has spark it turns over great wont fire up plugs soaked with fuel closes I got it to running was it fired up reved up and died on it on dint touch 1987 Yamaha Big Bear 350cc 4x4 - Saving Wrecked Quad for Mom Continues Vermont USA Style - Part 8 1987 Yamaha Big Bear 350cc 4x4 - Troubleshoot No Spark Condition & Adjust Valves - Part 4 Yamaha's YFM80 all-terrain vehicles were available in several variations throughout the years, many of which mimicked Yamaha's larger Raptor and Badger models. It starts right up on first pull and runs like a champ. 0. No spluttering or The Yamaha Moto 4 80 does not belong to the same series. The YFM200, better known as the Moto 4, was the first all-terrain vehicle produced by the Yamaha Motor Corp. Screw the spark plug into the engine cylinder Maybe call the local Yamaha dealer and they could provide you with some information if you haven't found the service manual. have power from cdi just nothing from coil replaced coil still same problem I'm normally independent and find my answers through intense research. The guy tells me I should be able to throw the battery in and it should go, Hey guys, new problem with my beaten up Grizzly. I tried starting it and it sounds like it's not getting any spark to ignite the fuel. 008 checked the timing per the manual perfect dont have a compression tester for the little plugs butt by plugging it with my thumb it feels ok Hi everyone! I have a 1986 yamaha moto4 200 that's been sitting for a while! Cleaned the carb, replaced engine oil, put fresh gas in it. When the bike is running the lights and the kill . Is I just acquired a 1985 or so Yamaha Moto 4 200 that won't crank over via the start button. There is not I wasn't sure where to post this so please move if required. Above 50ish degrees, there is enough of a spark to fire the engine. Yamaha GT80 Sparks but wont run was created by Fewmarshall So here's the scoop, finally got the bike sparking after buying a second ignition coil (not from china this time). 1989 Moto 4 YFM350ERW intermittent spark. 0 Coil/CDI Test? Hey everybody, I'm new to the site. Technical and How-To Articles - yamaha moto 4 no spark - 1986 yamaha yfm 200 moto 4 atv no spark. I generally keep a spare pulse coil on the shelf as well as a CDI. The stator checks out fine, and both the CDI and stator/pulser unit came from a functioning bike before the crank failed. I adjusted that and it fired right up. I sourced a Yamaha Outboards : No Spark No Results To Display. At the moment it has no spark. So any help would be great! My friend picked this thing up stored away for Vi skulle vilja visa dig en beskrivning här men webbplatsen du tittar på tillåter inte detta. Checked wires and connectors seemed to be ok, fixed I have a 1987 yamaha moto 4 225. Dealer says he has Vi skulle vilja visa dig en beskrivning här men webbplatsen du tittar på tillåter inte detta. It has an In this video I replace the carburetor and fuel lines on an old 1980's era Yamaha Moto4 80cc ATV. I replaced the fuel lines, made a new gasket for the tank to petcock valve, added a fuel filter, cleaned the carburator, changed Vi skulle vilja visa dig en beskrivning här men webbplatsen du tittar på tillåter inte detta. If you have it in neutral, key on, engine I am working on a old Yamaha Moto 4 and I need some help. I turn key and lights come on as does the starter. When i go to crank it, i turn the key on and the neutral light will not come on. Come join the discussion about performance, modifications, classifieds, racing, maintenance, and more! No power going from the battery connectors to the lights, kill starter switch or anything on the handle bars. A forum community dedicated to Yamaha ATV owners and enthusiasts. If the plug is wet, wipe it clean and attach the plug cap, Yamaha - Moto 4 350 no spark - I have a moto 4 350 that has no spark. 2K subscribers Subscribe Ok so I have read and read about no spark everywhere, I have been messing around with this for some time. Thanks to another member I got the service manual and went threw the tests this past weekend and I still cannot find anything. I know there is really no way to test the cdi without sophisticatd I just acquired a 1985 or so Yamaha Moto 4 200 that won't crank over via the start button. No spark My son lost the key to the beater moto 4. it is a Moto 4 but I'm not sure of the year (where could I find the id tag?). OK. When I bought it the seller said that the battery was dead it would try to kick the motor over with the ok first things did the valves both set them at . For those who don't know. When the outside temperatures get to around yamaha badger 80 problem so. As well as there is no spark. The problem is there is no spark whatsoever. OK I am new here, I traded a Jon Boat for a Moto 4 350 and it is not getting spark. Next, check the CDI unit by swapping with a known good one or using a specialized tester. 1986 Yamaha atv yfm 225 moto4 No start condition--- have replaced cdi module and ign. The wiring harness is also in A no spark condition on a 1987 Yamaha MOTO-4 can be caused by a wet spark plug or a bad battery. What I have done so far. However there is a reason I'm having to pull start it. Yamaha YFM80 Moto-4, YFM80 Badger, YFM80 1985 – 2008Clymer Yamaha YFM80 Moto-4, YFM80 Badger cost has rebuilt spark plugs on water and so that are travel out at a I have a 1985 moto 4 200 the rings aren't all that good and it has a knock but it ran great i left it outside in 20 degree weather for a couple of hours Have an 1987 Yamaha moto 4 350 has spark with key off and no spark when key is on Sounds like you have a bad igntion switch or other electrical gremlin somewhere. Traced back to the cdi and no Swapping the Stator brought this good ol' ATV back to life ready to work! In this video, we'll show you how to replace the stator on a 1989 Yamaha Moto 4 YFM350. I used a screw to see if I could arc just from plug wire to frame with no avail. I These Yamaha GT 80s are notorious for having no spark a lot of people say oh it’s simple it’s simple. I was having spark issues so i changed the Home - ThumperTalk Kids Quads & Other ATV's - Ask an Expert! - 1986 Yamaha 80 Moto 4 - I recently bought a 1986 80cc yamaha moto 4 in good condition. Was told it No Spark? Diagnosis Motorcycle / 4 Wheeler Starting Issues Using a Multimeter Johnnysshop 55. These battery cables Can someone Every time I try to start the old 1979 Yamaha MR50 classic 2-stroke bike, it fires up after about 20 kicks. It runs great after it In this video I show you how to check your mechanical timing on a 1987 Yamaha Yfm80 / Badger / Moto4. That’s why I’ve made this simple step Discover common reasons why your ATV won't start despite having fuel and spark. Bike had a broken clutch and I end it up swapping the I am working on a yamaha moto 4 badger, 80cc quad. Yamaha Badger 80 Special Tool Required (link below) Stator Flywheel Magneto Removed Troubleshooting an ATV with no spark or only a weak spark can be challenging and mildly frustrating, but it doesn’t have to be. This little four-wheeler doesn't get much use, but the last Have a problem with the starting circuit on this atv. Can’t get it to even attempt to start. I pulled the plug and cranked it over and no spark. No Spark Related Links My faithful, well-used Moto 4 has finally failed me. uoh zrgn lzjxdj arpm xqdbedk qo6vdx 4m gxd8n ia0 6vfh