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Old 10-07-2012, 08:59 PM
Bigshrimpin Bigshrimpin is offline
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Join Date: Dec 2002
Location: Onset, MA
Posts: 2,712
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Originally Posted by Bigshrimpin View Post
Propped to hit max rpm 300 hpdi on a 247 Grady voyager is 4000rpm 14gph
one thing I can say is that running 12 - 14mph 2500 - 3000rpm in heavy seas . . . you burn a ton of fuel like 1mpg.

Here's some performance bulletins.

http://www.yamahaoutboards.com/sites...c-z300turd.pdf

http://www.yamahaoutboards.com/sites...5-z300txrc.pdf
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