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1980s Yamaha 400 problems

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Old Sep 25, 2011 | 01:57 PM
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shibby71's Avatar
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Default 1980s Yamaha 400 problems

I have an early 80s Yamaha 400 that used to run like a champ. Now when I kick it it just backfires. I'm not sure if I mixed the gas wrong or not. What affect would that have on the bike? Thank you
 
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Old Sep 26, 2011 | 12:09 AM
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JLsparky7's Avatar
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Backfiring is usually due to air fuel mixture or air leaks. Check those. Mix some fresh gas too...
 
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