Search Results for ‘carb conversion’

I have a 2006 Yfz 450 and when I start it, it runs perfectly but once I rev it most of the time it stays reved high and sometimes dies down. It was running good about a year ago and slowly started doing that. What do you guys think it could be? Carb is all stock has slip on Yoshi that’s it

I’m about to put a 14:1 high compression piston in and stage 2 hot cams I was looking at getting a Tokyo mods carb I’ve heard great things about them but there’s almost nothing listed on what they do to them. I was also looking at a mikuni 42mm carb and trying to decide if I should get that. Any...

I recently bought a 2009 YFZ 450R with a acrb conversion. Ever since I got it, I can't seem to get the idle right. I did buy a tach/hourmeter that wraps around the coil, so I could see numbers and not guess at it. I know the service manual says the Idle should be right around 2,000, but when I...