which intake and exhaust cam? - Page 2 - Yamaha YFZ450 Forum : YFZ450, YFZ450R, YFZ450X Forums

**06yfz** · 02-01-2012, 01:10 PM

If its done correctly the only side effect to porting is more power throughout the entire rpm band.

khalifa · 02-02-2012, 06:44 AM

and what about pistons?

**06yfz** · 02-02-2012, 03:07 PM

Quote:

Originally Posted by khalifa

and what about pistons?

The only side effect i've seen from changing pistons is having to run a higher octane fuel (depending on what compression piston you choose).

02-01-2012, 01:10 PM	#21 (permalink)
06yfz ~ Moderator ~ Join Date: Nov 2006 Location: Oregon Posts: 1,515	If its done correctly the only side effect to porting is more power throughout the entire rpm band. __________________

02-02-2012, 06:44 AM	#22 (permalink)
khalifa Junior Member Join Date: Jan 2012 Posts: 17	and what about pistons?

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