In a 21 I w/300 Hpdi, it's an '06, 101 M.K. think 6" J.P. what do you think would be top speed with the right prop and set up would be ? possibly doing some trading.
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In a 21 I w/300 Hpdi, it's an '06, 101 M.K. think 6" J.P. what do you think would be top speed with the right prop and set up would be ? possibly doing some trading.
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76-78 maybe 80s lightly loaded would be my best guess.
75.1 at least that is what the Yamaha Performance Bulletin States:
http://www.yamaha-motor.com/as...7.pdf
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We had an 07 that was our owner's demo. It ran mid 70's no matter what the load. We did see 78-79 with perfect conditions. I ran it in a local tourny last year with 2 people, 3/4 fuel and tourny gear and saw 78.2. Now that was in March with cool water and air.
That's my boat. Best ever was 78. something, and that was empty as hell and about 40 degrees out right after having my prop worked.
Consistently in the 72-74 range tourney loaded with a fantastic ride. If you decide to get it, you won't regret it.
However, be careful with only 6" of jackplate. Mine came with a 12" from the factory, and I upgraded to a hydraulic plate. However it was only 10", and it ran like crap. I added the 2"' spacers, and it was back to where it was supposed to be.
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