yz250

I had my 2000 yz250 running and accidentally left the petcock off and it shut off. No matter what I can’t get it to start up again. I have spark ( even switched out a new plug). Good fuel, the petcock works and fuel gets to the carb. I have good compression, yet it still does not want to start...

I bought my self a 2011 YZ 125 but the front forks needed re-chroming, I cant afford to re-chrome them so I bought a set of 2nd hand forks off a 2015 YZ 250. I was under the impression that they would slide straight in and all would be good but it seems not. I put the forks from the 250 into the...

So Let me start off giving you some background info, I bought this bike as a basket case and entirely rebuilt it. New crank, gaskets, bearings, and pistons, I cleaned out the carb with some carb cleaner and checked for spark and It had spark. So came today when I tried first starting it. Nothing...

Hey guys I just recently purchased a 98 yz250 it runs decent but is a little boggish getting to mid range. This kid I bought it from had said the previous owner removed the power valve for "better low end torque" this is something I've never herd of and was wondering if its even possible. He...

Hi, I am into the process of rebuilding my bottom end but my crank cases do not match. I know that other years from 96 can be used because that is what the previous owner has done. Does anybody know what cases will fit into this frame as i need to get matching cases as the rest of the bike is...

So I want to put an FMF Turbine Core 2 (Item# 020361) and FMF Fatty 2-stroke pipe (Item# 024053) on my 1999 YZ250. Previously it had a Pro Circuit Nature Friendly S.A. Silencer (Item# SY99250-SA) and stock header pipes. I am 366 feet above sea level currently. I believe the jetting is stock...

Hi, I am new to the site and have a question about my 2003 Yamaha yz 250. I recently noticed that my right side subframe mount is broken. The inner bracket seems to have peeled back for some reason. It is still attached to the frame by about 1/2 of an inch. The outer bracket is just fine. I can...

hey all I'm new to this site and everything but I've recently purchased a 1991 Yamaha yz250 2 smoke and I have a couple of questions to ask about it. My first one being: Has anyone else out there owned one? I can't find any info on the bike or people talking about them I would like to know what...

Hello! Got a ca street legal '02 yz250 and an Idaho street legal 05 banshee (yes, I have multi state residency). Had an '09 crf450 but one time I fell asleep riding it cuz it was so boring so I sold it. :p Just sayin hello cuz I've got an interesting project I'm plucking away at. My 250 needed a...