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Posted: Sun Oct 09, 2011 6:30 pm Post subject: 77 gt 250 high idle
having trouble with bike idling at 4000 rpm and no bottom end power. I recentley rebuilt top end bored out. Bike will not idle correctly no matter what i do to carbs. They have been cleaned inside and out
Joined: Oct 30, 2009 Posts: 612 Location: Parker, CO
Posted: Mon Oct 10, 2011 8:39 am Post subject:
Dank, I just realized your a first time poster. Welcome to VJMOG, plenty of info and tips on your bike can be found here. On my first response to your problem I was taking you at your word when you said "They have been cleaned inside and out" however that job (carb cleaning) I've come to find out, means different things to many of our members. So don't take this the wrong way but, do you recall physically seeing daylight through your idle jets and their emulsion holes? Did you check the seating ability of the enrichment valves or are they partially open? Is your throttle cable adjustment spot on? Two strokes generally don't have a whole lot of bottom end, and won't start to pull strong until over 4K. Does yours run good from 4K to 7K?
If your sure about my questions then you should go forward with crank seal testing.
carbs are all completely cleaned, bike runs fine from 4k up just wants to bog when i try to take off and pull throttle fully back. what is best way to test crank seal. Thx for the info
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