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Crankshop 900 questions ???

Just came from Crankshop's site and they call their 900 kit a hi-alt kit and I wondered if anybody knew anything about this or had any experience with this engine. Most Crankshop stuff I've seen run ran well !!! Thanks, Randy
 
Crankshop 900 answers

I have a 2004 Rev with a 900 Crankshop. It has been in the sled for 3 1/2 seasons and has over 4000 miles on it. My riding is in the 5-7000' range. Stock jetting on the 04 was 400 mains. I am running 390 mains in it. Dynoport Single Pipe and MBRP Stinger. As an engine alone it will beat an 800 REV on NOS. But I have also put a ton of NOS through this engine. In the spring I tore it down to check everything and the pistons and rings were still like new. Hell of an engine. It is my spare now it is too good of a sled to part with.:):):)
 
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