CumminsRacer

Member
Jan 7, 2006
6
0
I just got a 93 model yz250, seems to run great. I was just wondering about the smoke, tonight I put some cheaper gas in it and it seemed to smoke quite alot more and the engine had a little 'lope' sound to it. Is this normal when using cheaper grade gas? And also is it normal for the inside of the exhaust pipe to be glowing red after a pretty hard ride? I looked inside the pipe and it was hot as heck. Thanks alot
 
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