85 250 big red with 300 fourtraxs 4x2 engine?

**85 big red 250** · 10-30-2006, 06:13 PM

I was wondering if anyone has tempted this feat and was wondering if it is as easy as I have heard and worth it. I have heard it takes little fabrication (mainly a

a case of beer and a afternoon) any input welcome

**mean350** · 10-30-2006, 06:34 PM

the big red is the best trike ever....... why change it? i love the 250 motor. tons of pullng power and pretty decent top end

**ClayW** · 10-30-2006, 10:49 PM

I dont know about the 300, but I have heard of some folks sticking a 350 Fourtrax 4x4 engine in it. The front PTO shaft just stayed unhooked. The shaft is actually taken off. Just the little PTO Du-Dad is hung out. Doesnt hurt anything. I have heard that it is not a direct bolt in, but its fairly close. Dont know who did it?

**200xman** · 10-31-2006, 07:32 AM

Here's a link to a guy who did it to a 250sx over in the UK. The search button on the top of the page works wonders.

http://3wheelerworldforums.com/showt...ighlight=300sx

**Jason T** · 10-31-2006, 08:56 AM

http://www.3wheelerworldforums.com/s...ad.php?t=38932

http://www.3wheelerworldforums.com/s...ad.php?t=46728

Couple more links that may help you out

Jason

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85 250 big red with 300 fourtraxs 4x2 engine?