Questions & Answers for: 425 timing ATVs

Choke issue on a 1995 425 magnum I am a ATV mechanic and I have put a new head on this magnum because the customer blew out the threads for the spark plug. I have timed it to specs, cleaned the carb ...

...425 magnum it idles good but as soon as i give it throttle it wants to die. is this an electrical problem or a fuel problem turn idle/lean down a bit and see what happens, then the gas may have ...

...425 Magnum bogs down and back fire when speeding up quick. Idle good, new carb,may not be properly adjusted, fuel pump and filter. I've seen a trail on here about prob but no fix. ideas? Sounds like ...

...as you go - but you'll see everywhere it was used. I've got a frame from a 2000 Polaris Expedition 425 4x4 with swingarm attached - I'd sell basically for shipping cost on ebay - if you're close to ...