2005年8月25日 · Has anyone out there with an 04 ymz 250 had any problems with smoke coming out of the vent tube that is connected the the crankcase? If so is this something to worry about or is this normal ?

2024年2月4日 · I’m looking to purchase a 250 four stroke dirtbike and have found the best deals to be a Suzuki rmz250. I know it’s the worst rated because it’s outdated but I’m wondering on its reliability compared to other brands. I’m looking at 2019+Rmzs and 2015+ yzf

2020年5月13日 · Ok, I am aware of the differences between the 250 and the X, and know there are a bunch of posts about it, head, porting, transmission, porting, suspension, kickstand, CDI, power valve, pipe. Problem is saying the "porting and head is different" doesn't answer the questions I have. I am beginning...

2025年1月31日 · Hello Sports Fans, WR250F and YZ250FX These are the two bikes I've narrowed it down to. I'm wondering if you can tell me the practical difference between them. I'm 50, 6"2", 280 lbs. I'll be sticking mainly to fire roads until I get in shape, and get the suspension done. I can ride a motorcycle, ...

2018年12月2日 · What should my static sag be at on 2018 yz250x ? What is best sag settings. I ride trails in mi a lot of sand do I want more or less sag then normal?

2018年1月9日 · My 2011 YZ250 is undergoing a full engine and chassis rebuild and I have decided to go with a 300 kit (the bike needs a new cylinder anyway so this is a good time to do it). The current YZ250 power curve/delivery is good so i'm not aiming to create a torque monster that doesn't rev, just looking ...

2006年7月21日 · I have been riding a 250X and have been thinking of going back to a two stroke. What are some of the advantages and disadvantages of using the YZ250 as a trail bike? I wonder most about the power, how tame can it be when you add a FW? Singletrak

2009年3月12日 · Hello I am new to dirt bikes and tracks and trails, all my life I rode enduro bikes to work around a ranch though. I bought a 2001 YZ125 which was a blast, then an opportunity came to buy a 2005 YZ250 for barely more than what I had been offered for the 125, and as they weighed more or less the s...

2023年9月7日 · The powervalve, if actuated properly and tuned in with the ign timing and carb settings, can add big gains in hp and response. The best have seen is the Aprilia GP 125 and 250 road race bikes, and that was years ago. They used square single, double, and even tested a very thin 3 blade design, with very, very, tight tolerances.

2009年5月21日 · Home Forums Dirt Bikes Make / Model Specific Yamaha Motorcycles Yamaha 2 Stroke YZ250 Power Mods Put Into Perspective. A Must Read, It Might Save You Money!