engine rebuild help please! - Yamaha Rhino Forums - Yamaha UTV Forum
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post #1 of 4 (permalink) Old 02-12-2012, 12:56 PM Thread Starter
1/4 Throttle
Join Date: Nov 2011
Posts: 4
engine rebuild help please!

I am rebuilding my2006 660 motor and found that the piston cylinder walls are in pretty bad shape. I want to just replace everything and keep it stock. The question I have is can the cylinder sleeve be pressed out or has it been cast in place and have to be bored out before I can drop a new one in its place? If anyone can give me an answer on this I would greatly appreciate it.
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post #2 of 4 (permalink) Old 02-13-2012, 05:04 PM
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Join Date: Jun 2008
Location: ramona, ca
Posts: 3,156
it needs to be bored, I do not think you can press them out.

you can do a 686 or 693 with a stock cylinder with no issues.

try benchmark performance for these upgrade kits, 760-484-0986 for Chris

Benchmark Performance 686, 67.6 RWHP
http://www.unleashedutv.com/ 602-246-4011
Rigid Industries 480.655.0100
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post #3 of 4 (permalink) Old 02-14-2012, 06:54 AM
Enjoying my Rhino
Join Date: Oct 2010
Location: Mount Hope, WV
Posts: 45
i have the 686 kits...cyclinder,cometic gaskets and je piston..360.00 total.with your core
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post #4 of 4 (permalink) Old 02-14-2012, 01:13 PM Thread Starter
1/4 Throttle
Join Date: Nov 2011
Posts: 4
Thanks for your help guys. It gives me a better start on figuring the way I want to go
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