[yz400 motor in 400ex?] - ATV Riders Forums - Honda, Yamaha, Suzuki, Kawasaki, Polaris, CanAm, Arctic Cat, Kymco ATVs

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yz400 motor in 400ex?
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Posted by: yamablaster24

How hard is it? I have local company (atv four play) that will do it for 600. Motor is 750. Carb and wiring 400.
how much power compared to stock 400ex? Compared to 450?

Posted by: ss440ex

$600.00 is a good price for the conversion.
You will like the new power.

Is that with
kicker ext
air box
exhaust
oiling system
radiator,also?

Posted by: ommkevin

since thats a 2 stroke it will go really fast that is so much cheaper that a 400 EX and 450r good deal

Posted by: FoxMxRiders

quote:
Originally posted by ommkevin
since thats a 2 stroke it will go really fast that is so much cheaper that a 400 EX and 450r good deal

Yz400 is a 4stroke if I remember correctly

Posted by: hondajoe05

ya i think he meant yz450f cuz i haven't heard of 400 but i don't no a whole lot about dirtbikes........my .02cents

Posted by: MXFourTwoEight

The yz400f was the first fourstroke motocrosser, doug henry won the first fourstroke championship on it in modern day MX. There was the yz400f, the yz426f, and the yz450f.

Posted by: ommkevin

oh sry i just saw yz and i thought 2 stroke whats the diff between the yz and the 400