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1990 xr 100 help

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I have a 1990 xr100 .. I have two questions. First one like an idiot me and my friend spraypainted my bike... I've found all the plastic for this bike in ebay... but its for a 2003. Will 2003 xr100 plastic fenders, side plates, and number plate fit on a xr100 1990? Second question when im riding in 5th gear and I go full throttle it will skip and makes a loud poping sounds, so I can only go half throttle. Does anybody know why that happens?

Any reply will be very helpfull.

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The newer plastic wouldn't fit without some major frame mods. Sounds like you are running lean or your points are floating... What position is the clip on the carb needle? What size main jet do you have? The clip should be in the middle slot, and you should have around a 98 main jet, if it is a stock engine. This should get a start to solving your problem. If it IS ignition,you need to upgrade to CDI setup :banana:.

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Skipping sound won't pull?

Have you checked your sprockets and chain?

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