Mercury Snowmobiles Discussion Board

[quote]<i>Originally posted by waynehaner</i> <br />We race both a 340 and 440 Sno-twister in the oval circuit. We have always been successful with the mods recommended for the 440 but the 340 has alway been a dog. Last year the 340 was ported exactly as the 440 mod specs. We used the 440 pipe on th...

Matt do you still have the 340 f/a motor if you do how much?
You can email me Thank You.

I was just hoping someone could tell me what the taper is on the crank on a 75 340 f/a k3402rs? and what make clutches will fit {arctic, polaris, etc.}?

I,m building a grass drag sled using a 340 f/a kohler out of a 75 sno-twister, and I was wandering if anybody could lend some info on how to get the most out of this motor. pipes, porting, clutching, carbs, how many rpm,s can I turn. I would like to get 10,000 rpm,s for 660' drags, is this possible?...