Quote Originally Posted by BLK JDM
Damn I saw this on R1-forum this morning. I was wondering how it kept blowing motors. Yeah R1s are very reliable. I guess you got a bad one and then probably bad machine work.

No PC3? And is the chain/sprocket combo stock gearing? Damn I forgot what stock gearing is on the 04-06s anyway.
had a pc3 and stock teeth sprocket 16/45 w/ 520 chain conversion.