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  #1  
Old 2 Weeks Ago
Aushunter Aushunter is offline
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Join Date: Mar 2016
Posts: 11
Rm250 questions

Hi, i just bought a 2007 rm250, and have a few questions as I'm not exactly a ripper mechanic , so I'll just fire them all at once, and if you feel like answering one or two feel free haha. I noticed that the expansion chamber towards the cylinder side is a bit rainbowed, is this normal, or should i worry about it maybe running lean?
Also the exhaust seals were leaking so i changed them, while i was cleaning up inside the exhaust flange in the head, right at the back where the flange meets the head, all the way around there is a very small gap! Is this normal? I took photos so I'll try figure out how to put them up.
Last question now, the power valve/exhaust valve. The previous owner had it turned about 1/8th turn clockwise past standard to keep it calm. I turned it about 1/8th turn anticlockwise from standard just to my preference. Is this safe? How much can i adjust it, if too far clockwise, ive heard the exhaust valve can stay closed too long and store too much heat? What about if i go too far anticlockwise?
Sorry about all the questions, thought i may as well ask them all haha.
Any general advice for these bikes would be greatly appreciated too, thanks.
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  #2  
Old 2 Weeks Ago
Aushunter Aushunter is offline
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Join Date: Mar 2016
Posts: 11
Figuring out how to attach images is beyond me haha
I'll try explain the gap as best i can. Where the washer sits, right around the outside of the face where the washer seat meets the flange?

Probably makes no sense haha but thats my best effort. I think it looks like its just a gap, not a crack, but im not sure.
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  #3  
Old 2 Weeks Ago
BigE BigE is offline
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Join Date: Aug 2008
Posts: 273
My advice
track down a Suzuki workshop manual. and follow it to the letter.
Jap manuals are very good
E
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  #4  
Old 2 Weeks Ago
Aushunter Aushunter is offline
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Join Date: Mar 2016
Posts: 11
Quote:
Originally Posted by BigE View Post
My advice
track down a Suzuki workshop manual. and follow it to the letter.
Jap manuals are very good
E
Thanks E, i will get a hold of one, i got a 2006 manual online and as far as i can tell they dont specify that you can move the power valve to suit your preference, just a factory set thing. Thanks.
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