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Old Dec 10, 2012, 09:05 PM
lfinney54 is offline
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United States, ID, Kuna
Joined Feb 2008
121 Posts
the long stroke rossi's are 5 port engines,and the cases reflect this , in the detail on the transfer ports externally, within the long stroke group, there are simple longstroke five ports in .61 and .65 configuration, both side and rear exhaust. there is also the 3+2 version that have fully stuffed cranks, they are filled with black epoxy and are (full circle type counterweighted), the rarest 3+2 engines have windowed pistons
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