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One for the RM gurus

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Mar 28, 2004
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#1
I have an 01 RM 250 that has got to be the hardest starting 2-stroke I have ever seen. If the bike sits for a week or more, it will be as hard to start as a stalled out four stroke. I can't imagine anything mechanically wrong, but it sure is aggravating. If anyone has any input on what (if anything) might be causing this problem, it would certainly be appreciated. Thanks
 
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Oct 19, 2006
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#4
And how old is the float valve,it does not last forever and is supposed to be replaced once a year.It can cause underlying problems that the best mechanic in the world does not screw with,he replaces the valve!
 

darringer

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#5
Chipped or cracked reeds can make a 2 stroke a bear to start. Make sure they are completely seated against the reed block. Any gap is no good. Also check for any possible air leaks in the intake tract.
 
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#6
I came off riding a four stroke for a couple of years, and my 2 stroke aptitude got lost in the process. I checked the compression and associated carb stuff, but I completely forgot about the reeds. Thanks.