Print Page - Yamaha 40HP 4 stroke.

Title: Yamaha 40HP 4 stroke.
Post by: felic on May 24, 2016, 13:11:55 CET

Would like to know any information and past experience about this motor. All comments are welcomed.

Title: Re: Yamaha 40HP 4 stroke.
Post by: Destination Sea on June 01, 2016, 22:42:19 CET

try these, and check whether these are relevent to your intended motor (may be outdated or model changed)
http://www.boatsales.com.au/editorial/engine-reviews/2004/johnson/part-3-four-strokes-from-40hp-8302

http://www.boatsales.com.au/editorial/engine-reviews/2000/yamaha/yamaha-f40b-8158

main site http://www.boatsales.com.au/

Title: Re: Yamaha 40HP 4 stroke.
Post by: felic on June 02, 2016, 20:59:44 CET

Thanks, very intresting

Title: Re: Yamaha 40HP 4 stroke.
Post by: felic on July 24, 2016, 18:34:09 CET

I learned that this motor has the same engine block of the 50Hp , it is only detuned. Can this be uptuned to give the available 50Hp ,by simply some elctronic updates??

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Marine => Engines/Drives and Electronics => Engine Reviews => Topic started by: felic on May 24, 2016, 13:11:55 CET