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yfz wont start

This is a discussion on yfz wont start within the ATV/UTV - Yamaha forum, part of the ATV/UTV Forums category; i have a 2004 yfz 450 and it wont start. think its time for new pistons? i dont know what ...

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  #1  
Old 03-22-2009, 04:45 PM
cmlracer321's Avatar
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Default yfz wont start

i have a 2004 yfz 450 and it wont start. think its time for new pistons? i dont know what the problem is. it will crank but it wont turn over to start

Last edited by cmlracer321; 03-22-2009 at 04:57 PM.
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  #2  
Old 03-22-2009, 08:03 PM
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Hows the battery? Could be the valves?
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Old 03-22-2009, 10:51 PM
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how often do u change/clean ur air filter?
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Old 03-23-2009, 12:14 AM
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Fuse ??
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Old 03-23-2009, 06:03 PM
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just charged the battery so thats good, and i got my valves changed last year and got riding in on them so that shouldnt be it. i clean my airfilter almost every ride cause i ride in a lot of dust.
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Old 10-08-2009, 12:22 PM
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i just had the same problem on my 06, it was my valves they needed adjustment.
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