Planet Minis

Nero · 10-13-2009, 09:47 PM

what is the deck hight of a stock crf150f, i wanna get a high comp for it.
From the top of the wrist pin to the top on the piston, and the size of the wrist pin

87Pitracer · 10-14-2009, 08:11 PM

Those measurements will be tough to get unless someone has a spare piston in their garage. If you are going to buy the piston from BBR or some other reputable company, the high compression piston and pin should be made correct for the bike. You should also check out Athena brand gaskets as they make some that are thinner than normal and that will also increase the compression. If you get too much compression you can damage your kickstarter gears (too much torque) and you will also need to run race gas all the time (costs double) as it will mis-fire on pump gas.

10-13-2009, 09:47 PM	#1 (permalink)
Nero 2nd Gear Member Join Date: Dec 2006 Location: East Hampton, CT Posts: 316	Deck hight of piston what is the deck hight of a stock crf150f, i wanna get a high comp for it. From the top of the wrist pin to the top on the piston, and the size of the wrist pin

10-14-2009, 08:11 PM	#2 (permalink)
87Pitracer PM Newbie Join Date: Nov 2008 Location: Hebron, KY Posts: 35	Re: Deck hight of piston Those measurements will be tough to get unless someone has a spare piston in their garage. If you are going to buy the piston from BBR or some other reputable company, the high compression piston and pin should be made correct for the bike. You should also check out Athena brand gaskets as they make some that are thinner than normal and that will also increase the compression. If you get too much compression you can damage your kickstarter gears (too much torque) and you will also need to run race gas all the time (costs double) as it will mis-fire on pump gas.

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