Thread: 90 or 70 hp 4 stroke motor for 170cc
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Old 10-03-2007, 01:33 PM
Ron's 195DC Ron's 195DC is offline
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Opps, Sorry. I forgot to add that the Yamaha HPDI 2 stroke has a CARB rating of "two star". So a Yamaha 4s or an E-tec are cleaner burners.
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