Question about 1987 Yamaha FZX 750

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I have a 1981 Yamaha Virago and its running ok but when it idles it stumbles and wants to die if I dont stay on the throttle .

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That could be several things.
1. your idle is too low, try adjusting it
2. your carbs are dirty, try cleaning it
3. even without cleaning your carbs, try running half of a can of seafoam with your fuel. that could clean them enough to fix the problem.
4. check the sparkplugs

Posted on Apr 27, 2010

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