Question about 2003 Yamaha YZ 250 F

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I have a 1999 bear tracker 4-wheeler and it's not

I have a1999 yahama bear tracker 4-wheeler and it's not firing

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  • mike kelly May 11, 2010

    this can be due to a number of problems its a case of running through them to pinpoint your problem i.e. check sparkplugs gap is correct if old replace , battery is it holding charge all leads from sparkplug to coils



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Is there a spark buddy

Posted on Oct 01, 2009


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My 1999 yahama big bear 4- wheeler wont fire, replaced all electric parts 4 cdi boxes and still wont fire can u help

are you getting anything at all? could check your ground wire(s) to make sure they have good contact on the bare frame metal

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Dec 25, 2013 | 1003-0097 Yamaha YFM 250X Bear Tracker...

1 Answer

Cant get fire on plug for a 200 bear tracker 4 wheeler

When checking for spark at the plug make sure the outer metal part of the sparkplug is grounded to the engine, make sure the main ignition switch is on, make sure the emergency switch on the handle bar is set to the start position and make sure the atv is in neutral.
After checking all these things above and it still fails to fire or spark at the plug then check all or any wiring, wiring connections and or connectors that you have intentionally or unintentionally disconnected while woking on the atv and also check all the fuses.
If all these check out as good and the atv still won't fire at the plug you will need to test other things such as the igntion coil, pickup coil but you will need a volt/ohm meter and the specifications for these in order to test them.
In order to get this information go to the Yamaha ATV Forum and you will see a sticky note posted by oxidized_black in regard to Yamaha Service Manuals go through each page until you get to a download LINK for a 1999-2001 Yamaha Bear Tracker YFM 250XL(C) Service manual link. Click on that LINK and download the PDF file to your computer this should provide you with more than enough information to test and find your ATV problem.
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I hope help you with this. Good luck (remember rated this help).

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1 Answer

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there is a contact that closes when the 4 wheel drive engages and turns the light on, if the switch has been turned on and the contact does not make a good connection then the control module see's this as a problem and starts blinking the light, this is all part of the motor on the transfer case.

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