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Post by pepsisteve on Jun 15, 2010 11:35:29 GMT 1
ok after a few more road tests and thoughts, this is what i have found, timing seems fine, as long as you dont use full throttle the bike will redline, i know this is not a good idea but it had to be tried. if you hold it at about 7.5k and then go straight to full throttle it just sort of stammers, roll it off a bit and it rev to redline. so i'm thinking mains obviously, but from as far as i can remember its got 190 mains in it which according to the manual are what it should have for a standard 250. should i try a drop to 180's? might try a plug chop on the way home tonight before i try jets though, just fancied some input from you guys first.
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Post by pepsisteve on Jun 15, 2010 18:09:02 GMT 1
its all stock mate
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Post by pepsisteve on Jun 15, 2010 19:33:33 GMT 1
plugs are a lovely chocolate brown colour, just tried it with air filter foam removed, exactly the same, went up from 190 mains to 210 and its exactly the same, it will rev past 7.5 if you hold it open but it dont seem right.
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Post by pepsisteve on Jun 15, 2010 21:54:14 GMT 1
will give that a go tommorow mate but i didnt think the air screws did anything over 1/4 throttle.
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Post by pepsisteve on Jun 16, 2010 18:39:51 GMT 1
all back to standard jets, air screws set up, still the same! will check the timing tommorow at work. fingers crossed as i dont know what else it could be.
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Post by pepsisteve on Jun 17, 2010 22:57:07 GMT 1
checked timing, slightly out but its still the same  |
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Post by carlos on Jun 18, 2010 16:45:37 GMT 1
Are the carbs clean?
All the holes in the emultion tube clear?
Float Height correct?
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Post by elsie1411 on Jun 18, 2010 18:43:38 GMT 1
have you tested the compression?
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Post by pepsisteve on Jun 18, 2010 21:17:39 GMT 1
yup, its all good mate
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Post by Norbo on Jun 19, 2010 14:41:54 GMT 1
so you fixed it and its reving all nice and propper is it.
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Post by pepsisteve on Jun 20, 2010 17:38:18 GMT 1
all fixed today! well i say fixed there was nothing wrong with it, apart from a f**ked rev counter! spent all day removing my knackered clocks and fitting a vapor dash and surround i have left over what used to be on my rgv. went out for road test and when i came back the tell tale dash had recorded 8890k so that would seem about right for a stock engine.
thanks for all the advice guys!
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