Yamaha R1 Forum: YZF-R1 Forums banner

need more fuel

1K views 8 replies 5 participants last post by  gabegarcia 
#1 ·
1999 r1 cutting out at full throttle it has been jetted with full yoshi header and pipe also cut hole in the middle of air box to get cooler air has been running great for 2 years
 
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