Yamaha TRX850 Enthusiasts Forum
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New Type of 4 Stroke engine.
http://www.trx850.com/phpBB_forum/viewtopic.php?f=5&t=8991
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New Type of 4 Stroke engine.
Posted:
Fri Mar 08, 2013 10:36 pm
by
sanddune51
I came across this but hope I'm not repeat posting it here.
http://www.new4stroke.com/
Mark.