Question about Yamaha V Star Classic Motorcycles
With all things being equal on just about any vehicle being it car, truck or bike. just about everything is measurable with a tool or by some easy means except fuel injectors. Once everything has been checked out including vacuum leaks,, which is the,most common reason for a fuel injection misfire. Once every avenue has been exausted the only logical conclusion is you have fuel injector that is spitting, or partially clogged so the fuel is not vaporized enough to burn until your at higher revs. Most all fuel injectors have a screen on the inlet side and its possible you just need to clean and blow it out. You could rotate the injectors if possible to see if the misfire follows the injector, that is if you can detemine which cylinder is misfiring. Also fuel injectors can be tested for ohms. They should be about the same give or take 2 ohms max with the connector off it.
Posted on Aug 02, 2010
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Posted on Jan 02, 2017
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