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Well I rode the 4 wheeler 2 months ago and it ran good as
well I rode the 4 wheeler 2 months ago and it ran good as always, today went to get it out and ready to ride found the key was left on I took out the battery added water and charged it all good and cr… read more
Louie
Louie
Technician
Associate Degree
13,685 satisfied customers
1986 Yamaha atv yfm 225 moto4 No start condition--- have replaced
1986 Yamaha atv yfm 225 moto4 No start condition--- have replaced cdi module and ign. coil no change Question I donot have battery voltage on orange wire at coil-- when should I have voltage at the co… read more
Wayne S.
Wayne S.
Motorcycle Mechanic
Fully Licensed Motorcycle Mechanic
1,335 satisfied customers
I have a 1997 Yamaha big bear 350. lost spark. stator went
hi I have a 1997 Yamaha big bear 350. lost spark. stator went bad. replaced. flywheel was bad, put in good condition used flywheel. no has intermittent spark. new plug, new coil timing is set right cd… read more
Louie
Louie
Technician
Associate Degree
13,685 satisfied customers
2000 1100 v-star. no fire on front cylinder. replaced cdi hooked
2000 1100 v-star. no fire on front cylinder. replaced cdi hooked timing light to it no strobe on front cylinder changed coil on difference… read more
Christopher
Christopher
Senior Mechanic & Technician
Factory Training
2,435 satisfied customers
A friend brought me a 1987 yamaha 350x ATV that wouldn't start.
A friend brought me a 1987 yamaha 350x ATV that wouldn't start. He said he was told it probably was the stator or rectifer and he replaced them both, it still wouldn't start. I pulled out the spark pl… read more
Louie
Louie
Technician
Associate Degree
13,685 satisfied customers
1998 yamaha big bear . it started today, and i shut it of.
1998 yamaha big bear . it started today, and i shut it of. and now there is no spark to plug, I have checked if there is spark coming from the coil, and there is no power to the coil, any answers.… read more
Jeff Policky
Jeff Policky
Motorcycle Mechanic
Yamaha,Suzuki,Polaris Technical Tra
2,425 satisfied customers
my yamaha 350 four wheeler does have no fire to the spark plug
my yamaha 350 four wheeler does have no fire to the spark plug whenI try to start it. what causes this problem?… read more
Wayne S.
Wayne S.
Motorcycle Mechanic
Fully Licensed Motorcycle Mechanic
1,335 satisfied customers
I have a 1987 yamaha yfm80. I am having trouble getting the
I have a 1987 yamaha yfm80. I am having trouble getting the ignition system to work. I replaced the stator/magneto/pickup coil with a used unit and it still isn't working. The coil is good, I did the … read more
Jeff Policky
Jeff Policky
Motorcycle Mechanic
Yamaha,Suzuki,Polaris Technical Tra
2,425 satisfied customers
I am working on a 1988 Yamaha big bear 350 and I am getting
I am working on a 1988 Yamaha big bear 350 and I am getting inconsistant power out of the cdi unit to the ignition coil about 80% good and 20% of the time no power. and also was testing wires with tes… read more
Jeff Policky
Jeff Policky
Motorcycle Mechanic
Yamaha,Suzuki,Polaris Technical Tra
2,425 satisfied customers
ignition switch..ignition coil and cap, spark plug..timing..harness
I have an 1987 yamaha warrior, and it will only spark when the ignition switch or kill switch is cycled on and off. I've replace the stator, ignition coil and cap, spark plug, the cdi with 2 supposely… read more
KKassel
KKassel
OWNER
High School or GED
52 satisfied customers
WELL JEFF I REBUILT THE CARBS AND STILL NO FIRE, SO I..CDI..ELECTRONIC
WELL JEFF I REBUILT THE CARBS AND STILL NO FIRE, SO I AM GOING TO REPLACE THE CDI BOX AND PREY THAT THIS FIXES IT SINCE I HAVE REPLACED EVERYTHING ELSE ELECTRONIC WISE, NOW THIS BANSHEE HAS THE STOCK … read more
Jeff Policky
Jeff Policky
Motorcycle Mechanic
Yamaha,Suzuki,Polaris Technical Tra
2,425 satisfied customers
Tested the triggers - resistance as per specs, pulsing
I have a Yamaha 83 XJ900. No spark at all. Tested the triggers - resistance as per specs, pulsing. At the coil plug there is only 2 volts - is it likely to be the CDI? Is there any way to test it?… read more
Richard
Richard
Senior Mechanic & Technician
2,334 satisfied customers
CDI trigger,the ingnitor box (black box ) or the ignition coil
I just purchaced a 1980 175 MX Yamaha and the previuos owner said it has no spark. From your experence what has been the most failed part on this model? The CDI generating coil, the CDI trigger,the in… read more
justjaymz
justjaymz
motorcycle technician
Vocational, Technical or Trade Scho
28 satisfied customers
Royale: venture..spark..coils but nothing coming out of coils..stator
86 yamaha venture royale no spark going to the plugs, checked all connections and grounds,power to everything else including coils but nothing coming out of coils. could this be caused from the stator… read more
Louie
Louie
Technician
Associate Degree
13,685 satisfied customers
The spark plug and leave it connected to the coil..ground..same thing
If I pull the spark plug and leave it connected to the coil, ground it to the top of the motor, and hit the start button, it will only spark once. You can hold the button in, but it will only spark on… read more
Wayne S.
Wayne S.
Motorcycle Mechanic
Fully Licensed Motorcycle Mechanic
1,335 satisfied customers
I have a 1994 yamaha serow that turns over but has no spark at plug.
I have a 1994 yamaha serow that turns over but has no spark at plug. What do i check and how… read more
Wayne S.
Wayne S.
Motorcycle Mechanic
Fully Licensed Motorcycle Mechanic
1,335 satisfied customers
Nut..the exhaust running from were the fly wheel is up to near..coil
i have a yamaha yz(NNN) NNN-NNNNit was running sweet as a nut and then i washed it and now i cant get a spark, after washing it i founds a group of wires which were layed against the exhaust running f… read more
Wayne S.
Wayne S.
Motorcycle Mechanic
Fully Licensed Motorcycle Mechanic
1,335 satisfied customers
Cylinders..Ive check primary and secondary coil ohms.. good to specs
I have no spark on the back to cylinders. I''ve check primary and secondary coil ohms.. good to specs. Actually have checked everything that the manul will lead me to. I haven''t came up with a bad re… read more
Doug E.
Doug E.
Vintage M/C restorer
Vocational, Technical or Trade Scho
2,485 satisfied customers
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Meet the Experts:

Jeff Policky

Jeff Policky

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Louie

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Andre Pilon

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393 satisfied customers

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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