Yamaha Jet Drive Outboard Question

2015-03-10 15:36

Am trying to find a jet drive outboard for my 40 horse Yamaha to replace the prop drive.   It's a 1980's engine and I can get all the specific info if you have any potential for having a jet drive that might work.  Any info would be appreciated.  Thanks 

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Hello:
 
I am sorry, but while we can get you parts for either your prop Yamaha or the jet version, I can't supply
you with a whole new engine.
 

J. D. Neeson

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JD;  Maybe I'm misunderstanding you with whole new engjne. I'm simply looking for the whole jet drive unit to replace the current prop lower unit.  Thanks

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Hello:
I am not sure that you can do this, but if you give me all the information about  your existing drive, I will talk to the Yamaha boys and see if it can be done.
I will mention that jet drives are less effective than props at the same horsepower as the jets operate effeciently over a much reduced range.  As a rule of thumb we usually figure that you need 20-30% more HP for the jet to have about the same performance.
 
J.D.
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Thanks,  I've become more enlightened after talking to my local Marine outfit.  Expensive and much less operating power.  Thanks 
 
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