Yfz Highcompresion Pistton Question

592 Views 3 Replies 2 Participants Last post by YFZ450 #69, Mar 10, 2009

Destoney02

Discussion Starter · Mar 10, 2009

Hi I just got a 07 Yfz Special edition and I got A Sparks full exhaust with K&n Filter The Tps Unplugged. Im looking for more speed and power. Im looking at the 12.5:1High compression piston! Would this work or do the job? I dont want ANY power loss anywhere in the rpm's. I do trail riding pit riding and drags Just all around. Does anybody know if this piston will do anything?

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YFZ450 #69

· #2 · Mar 10, 2009

that piston will work and wont lose you anything in the rpms.

Unless your due for a top end rebuild its probably not worth pulling it all apart just to do the piston swap.

if you want more top speed, look at a 15T front sprocket.

have you done the cam mod? its an easy free mod.

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Destoney02

Discussion Starter · #3 · Mar 10, 2009

QUOTE (YFZ450 #69 @ Mar 10 2009, 12:42 PM) index.php?act=findpost&pid=756107

that piston will work and wont lose you anything in the rpms.

Unless your due for a top end rebuild its probably not worth pulling it all apart just to do the piston swap.

if you want more top speed, look at a 15T front sprocket.

have you done the cam mod? its an easy free mod.[/b]

Cam mod? What do you do there

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YFZ450 #69

· #4 · Mar 10, 2009

you retard the exhaust cam one tooth for more mid and top end power.

it gives the same cam timing as the YZF dirtbike.

theres heaps of topics and a walk through on here...just search "cam mod"

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