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Old 04-30-2008, 06:44 PM   #1 (permalink)
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Ysr won't accelerate

So I just did a top end rebuild on my YSR on a new bottom end I just picked up. It starts right up and idles, but when I put it in gear it just sputters and dies. I will move about a foot and it feels like it just bogs down. Any ideas?
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Old 04-30-2008, 10:11 PM   #2 (permalink)
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Re: Ysr won't accelerate

Did you rebuild the carb before you put it on? It sounds like a carb issue to me.
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Old 04-30-2008, 10:21 PM   #3 (permalink)
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Re: Ysr won't accelerate

eather ur carb or ur valves arent set correctly
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Old 04-30-2008, 10:32 PM   #4 (permalink)
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Re: Ysr won't accelerate

lol valves its a 2 smoker. I bet the reeds are no good.
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Old 05-01-2008, 12:57 PM   #5 (permalink)
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Re: Ysr won't accelerate

Yeah, could be reeds.
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Old 05-01-2008, 04:02 PM   #6 (permalink)
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Re: Ysr won't accelerate

Check your exhaust. If you have a leak at the head you will loose power like crazy. Also I would check to make sure your bearings/ chain/ sprocket are not rubbing on anything to cause drag. Last thing, Kickstand sensor, make sure your kickstand is up or it wont stay running once you put it in gear

Hope this helps
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Old 05-01-2008, 04:04 PM   #7 (permalink)
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Re: Ysr won't accelerate

x3 on the reeds
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