just do the weisco 904, save some money, and enjoy the smile that gets put on your face. if it makes you feel better the big performance company for victories chose weisco pistons for his big bore kits and bill gately uses these sleeved kits in his race bikes. tons of guys with 904's and the only problems i have heard of are from improper machine work, installation, and break in. i did mine myself, beat the ****** out of the bike, and it runs better than ever
Frank
(Former)05 BA tbike pipes, ai removed, Freak, mikuni hsr 42's, 904, ported/polished head, 1mm oversized valves
NOW-2010 silver and black tbird
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