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KTM EXC 300 discussion forum:
RE: tuning with an FMF pipe
RE: tuning with an FMF pipe
fabien / france
said 2009-01-24 00:07
I had an 175 main jet on my 300 KTM and i had many problems of plugs. Now I have an 165 or 168 (hot or cold weather) main jet and it´s OK. The plug is brown dark. I have dropped needle as fas it will go me to.
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