05 YFZ 450

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T-Rex
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Joined: Wed Mar 10, 2021 10:41 pm

#1 Post by T-Rex »

This is a 14:1, stock bore and stroke, stock cams, I ported the head on this one.

55rwhp, almost 34ftlbs of torque.
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timbomoose
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Joined: Wed Mar 10, 2021 10:41 pm

#2 Post by timbomoose »

Nice curve and nice power!
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J. Delaney
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Joined: Wed Mar 10, 2021 10:41 pm

#3 Post by J. Delaney »

These things can't be lasting long with a 14:1 pinston.
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T-Rex
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Joined: Wed Mar 10, 2021 10:41 pm

#4 Post by T-Rex »

You'll be surprised as long as they do proper maintance on the quad.
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