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[QUOTE="TwittyMC, post: 1091566, member: 71669"]
Hey im a new member with a 1996 RM 125.  It runs great, starts on the first kick, and is a blast. Two concerns.  The previous owner told me to only run it 50:1 (gas/oil mixture) but didnt give a reason why (i cannot get ahold of him anymore).  Now i am no mechanic but i was under the impression that 32:1 is standard mixture which is also what the service manual says to run.  Could he be running a bigger piston or something? So my first question is what engine mods or changes would make someone want to run a bike 50:1 instead of the suggested amount?  My second question.  Grease/oil, a deffinite mixture of both, is coming out of my front sprocket.  Sometimes a decent little puddle of oil, (but nothing that has affected my level) comes out from behind the front sprocket along with a butt-load of grease.  The grease may be from my chain, but there seems like far too much for that to be the case.  Could i have a bad seal behind my sprocklet?  I just dont know, thats why im here and would appreciate any help on either subjects.  Thanks alot
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