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Seems within the appropriate range for a 107. It also might dyno at different numbers next month. It also would likely pull different numbers on a different dyno. If the bike is running well, he should enjoy the ride and quit stressing over the dyno sheets. Too many guys get too wrapped up over what numbers their bikes pull.
But I guess Hillside advertises 120/125 with this build, so I would be more than a little curious too.
Buddy of mine just did a Hillside 107" build.
Numbers turned out to be:
103 HP
118 TQ
He's wondering why his HP number is low.
He's using the Screaming Eagle Stage 1 intake.
Rinehart True Duals.
Just throwing it out there.
Hard to say without knowing which stage heads, size of throttle body, cams, compression ratio, etc. With that said, I agree the hp seems low, but if your buddy were a stock throttle body...hmmm.
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