48.4 bhp ???? what you think

ive just got back from setting my yz426/450 up on the dyno :p i got a 48.4 bhp at the rear wheel should i be happy with this bhp :) i was hoping for more really :) think its about 56 bhp ish at the engine .....

full spec of the bike is in my garage :D

thats normal.

What kind of mods have you done to the motor?

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