Thread: Performance on a 20cc with a 200 Yamaha ox66
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Old 03-01-2009, 02:44 PM
Bigshrimpin Bigshrimpin is offline
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Join Date: Dec 2002
Location: Onset, MA
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Default Re: Performance on a 20cc with a 200 Yamaha ox66
new 140 Zukes are 2.59:1
older 140 zukes were 2.38:1

Merc 175/200 v6 fishing motor are 1:87
Some Merc sportmaster lowers came with 1.62 gears

I believe I read somewhere that Merc 3:0L gears will fit into a 2.5L case, but I never tried it.
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