piston

BlastinByYou

New Member
Sep 28, 2011
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bought blaster and wanna rebuild the top end it looked the the piston said 150 right in the center of the piston what size would that be?
 
Best way to tell is to remove the piston from the cylinder and measure the cylinder with a bore gauge. It will be between 66 and 68mm in diameter. Once u know your bore, you'll know which size piston you'll need for the rebuild. Get a Wiseco when installing a new piston.
 
Its a tool used to measure the inside of the cylinder. The less expensive ones are read with a dial caliper, while the better ones have their own dial indicator. Either way, you may be better off having your engine builder measure and bore it for you if you have never done so yourself.
 
Do you have a manual yet?

The blaster is like an ak47 cheap easy to work on and with minimal maintenence will last a long time.

Than manual will give you a better idea of tools and kills required to do any repairs or future mods.