2002 rmk 700 cutting out

[Polarisrmk72]

Hello I have a 2002 Polaris rmk 800 chassis with a 2000 non ves motor in it because I blew the 800 up. Everything on the sled is the same except the motor (jetting clutching gearing wiring; everything) it cuts out on the bottom end, and I don't know where to even start. I'm not sure if it's because of jetting, clutching, gearing, or something electrical. Any help would be greatly appreciated! Thanks!
Johnny

 

[peaceofwork]

tryd normal things like shut it down and pull the plugs is one really wet? swap plug wires over to oposite side run it pull plugs-
new spark plugs are cheap and worth trying.
perhaps if its only bottom end related you may have a pluged pilot jet?
when you did the swap did you dump the float bowls? are you running new gas? did you do a compresion test?
what about air leaks? any give away sighns like hanging idle or tough starting? maybe its the mechanic?
to thats the simple basics but im sure others here are more experianced experts - you know practical experiance with your type machine,

 

[whoisthatguy]

Low rpm problems are often needle clip related. Bottom end has to do with the crankcase. The crankcase between the VES models and non-VES models, are identical.

 

[1fasteskimo]

What track length and was the engine from a short track? Can be your clutching