Offshoreonly.com - Drive ratios

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nordic95

06-17-2006 08:12 PM

Drive ratios

What gear drive ratios are available for the XR.And what effect would they have on prop pitch???

Thanks Nordic95

Smitty

06-17-2006 10:06 PM

Re: Drive ratios

1.36 and 1.50 you most likely would best go with the 1.50

I just changed from 1.36 to 1.50 and the boat is more responsive.

There is about 2 inches of prop pitch between the two. I was running 28" props on the 1.36 and now I am running 30" props with the 1.50

ghittner

06-18-2006 09:32 AM

Re: Drive ratios

Quote:

Originally Posted by Smitty

Smitty, when you changed to the 1.50 did you lose top end??

rbtnt

06-18-2006 11:21 PM

Re: Drive ratios

Here's some addtional gear ratios.

http://www.mtboats.com/outdrivegearratios.html

Smitty

06-20-2006 10:18 PM

Re: Drive ratios

Actually I have gained 2 mph and feel that there is 2 mph left by spinning my props in, which I am going to try this weekend.

By changing ratios I am getting the motor to spin more revs closer to max rpm, which is also based on boost levels.

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