425 magnum problem

I have a 95 magnum 425 4x4 I recently picked up .. when I got it it needed a overhaul on the carburetor.. I bought a stock oem All Balls rebuild kit... went through the carb thoroughly.. and did all the proper adjustments ... I have the air/ fuel set a 1 3/4 turns out ... I changed fuel pump and...

If anyone knows Polaris atvs and could please help me Ive been working on my step dads 1998 Polaris Magnum 425 4x4 for a month now and am running out of $$, time, and patience. Ok here's the story/problem, about 6 months ago it lost power an felt like the rev limiter was kicking in the second...