Search Results for ‘bogging’

Hello everyone, I have a 2005 raptor 660r HMF slip on exhaust and a k/n air intake with spacer plate and no lid. I am having a bogging/backfire issue at mid throttle and then it dies idles fine and can ride fine at WOT carb main jet sized are 175L 180R I am unsure about other jet sizes and what...

I have to start with this because I suspect this may be part of the problem, unfortunately it has an eBay carb:( the carb is clean though and I’ve messed with the air fuel ratio screws and cleaned up the problem a little bit. The problem is when I get on the gas hard it stumbles at the low rpms...

so i just picked up a 50th anniversary yfz450 and i when i turn it on it cranks and runs but when i rev it, it backfires and sputs and when I'm driving it it revs and drives but then on low rpm it tends to bog out and almost stall. only idles with choke on but obviously revs really high idles...

I recently got a new big gun dual exhaust, put on and ran great for a day. next day took her for a ride and at the end of my ride there was a slight bog in 3rd gear revving at 6-7k rpms from going up a hill. quickly went back to my trailer because i knew something wasn't right. i let her idol...

Ok, 04 Raptor that didn't run. Replaced main switch, got power, replaced all fluids, ran like shit and backfired like a machine gun. Didn't get over 5mph. Tore the engine apart, discovered broken exhaust valve spring. Replaced it. Adjusted the valves, etc. Got it all back together. Now it...