Posts
827
Joined
8/9/2010
Location
Mantua, NJ
US
Edited Date/Time
5/21/2015 7:07am
I have an 03 Rm125 that seems to be having some sort of power valve issue. I keep getting a major build up of oil in there as the day goes on. Cleaned out before yesterday's ride, new HR-1 pre-mix 32:1, new plug, and even rejected carb. Plug looks decent. No build up of oil at all. Seems to go bla bla blaaa until it clears out in 1st or 2nd, screams like a monster and then soon as I let off a tad.... Bla bla blaaaa again. Once I get into 3rd 4th, seems to have a miss on the top end of the gear. Also noticed some oil around the gasket of the dome on top of cylinder. Could that be a blown gasket causing this issue? And would that cause the power valve oil up issue that I'm having? Sorry for the amateur question. Any help would be much aopreciated ladies n gentleman.
Just based on what you are saying in your post I would think that you needle is rich and possibly the main.
You could post a pic of your spark plug and that would really help.
You need to do a compression test and make sure your head o rings are not leaking. Then we have a baseline to work off of.
The Shop
Racinstation, what way should I jet it to lean up on top end. Running 330 main jet now.
Not good with the carb n motor stuff. I'm learning. Good with rest of bike and have decent mechanical skills. So please bear with me.
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