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5 valve utility ATV head
http://www.kawi2strokes.com/forum/viewtopic.php?f=21&t=4851
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Author:  Steve [ Sun Nov 04, 2012 8:39 pm ]
Post subject:  5 valve utility ATV head

Yamaha cylinder head off a utility ATV, forgot which one. Just amazing technology IMO for something other than a sport quad or motorcycle -

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Intake design was interesting, dual port of differing size -

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I think I saw a 2-1 intake manifold.

Gotta love visiting the shops....

Author:  Jim [ Sun Nov 04, 2012 8:50 pm ]
Post subject:  Re: 5 valve utility ATV head

I don't know anything about those engines, but I'd guess the head was not designed for the utility ATV.

Author:  don k [ Sun Nov 04, 2012 9:28 pm ]
Post subject:  Re: 5 valve utility ATV head

It's off a 660 Yamaha Rhino, just built one for a friend. Big bore, stroker, cam etc. 705cc or so when done.

Don

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