2001Rm125

Member
Jul 7, 2009
77
0
I finally went to a track near me and it was soo fun. I had a blast. Then I fouled my plug after a few races. Its been happening often too and NO im not babying it. Im using Yamalube and reg gas and a ratio of 32:1. A br9es plug and i have the air filter clean. It has a fmf fatty and powercore 2 and is jetted. Any ideas. Heres a few shots of the track anyway!
 

Beuford

Member
Feb 23, 2008
37
0
I wouldn't say ,"period".
Could also be a worn right crank seal sucking some oil or bad seal letting coolant in.
Maybe even worn rings.
 

2001Rm125

Member
Jul 7, 2009
77
0
Well i can say i kno quite a bit right now im 15 but i dont know much about jetting. The guy before me told me he jetted it for the pipe should i jet again>?
 

Mad Norris

Member
May 1, 2009
22
0
The easiest way to check your jetting is to adjust the clip on the the jet needle (no tools required). Since you're fouling plugs, I would try moving the clip up one notch (so the needle sits lower, giving a leaner mixture) and then see how the bike performs. If it's better, then you may need a smaller main jet.
 

jayhedrick

~SPONSOR~
Mar 10, 2009
81
0
Philips screwdriver and a 8mm socket
 

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