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Mechanics Corner Looking for answers to mechanical questions? Just can't get it to run right? Got a tip for increasing HP? This is your forum!

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Old 04-11-2009, 02:33 AM   #1 (permalink)
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CruelSoul's Avatar
 
Join Date: Feb 2009
Bike: 1991 RM250-2005 Honda 450r
Posts: 29
Default 1991 suzuki rm 250 questions

ok heres a few questions that I have cause i dunno a thing about bikes or engines etc. this is about my 1991 Rm 250 2 stroke

1.what is best mix for my oil/gas
2.what is best gap for my bikes spark plug
3.why does my bike lag at the powerband it has a lag then zoom it takes off.
4.to make my rear suspension softer do i tighten it up or down.
5.how hard is it to tighten up the chain.