2021 yz250x jetting questions - Yamaha 2 Stroke - ThumperTalk
Oct 15, 2020 · 48 pilot jet. stock needle 2nd position. air screw 1.5 turns out. 30:1 fuel ratio. The bike is brand new with less than 10 hours on it. General riding conditions. Elevation - 50M-250M. Temp : 15-25C ( or 59-77F for my American riders) Humidity anywhere from 50-100% depending on time of the spring/summer/fall.
How many hours before rebuilding the top end? - ThumperTalk
Mar 19, 2021 · For my 2018 YZ250X I went 80 hours. I ride mostly singletrack and the trails to get to/from them, plus some putting around with my kids. Pics below. I could’ve gone longer but as others have said, top ends are relatively cheap. I will wait another 80, but I ride a little bit slower than @Yamahanick hehe.
2022 yz250x - Yamaha 2 Stroke - ThumperTalk
Posted March 6, 2022. Despite both being 250 2-strokes, the Sherco 250SE versus Yamaha YZ250X can't be compared as direct competitors to each other. -the YZ250X is still 95% an MX race bike with very few off-road features 'sprinkled on'. (18" wheel, kickstand, minor engine and suspension characteristics changed)
YZ250X premix oil and ratio - Yamaha 2 Stroke - ThumperTalk
Mar 4, 2019 · yz250f 78. I know I’ll get a different opinion from everyone on this topic but I like seeing what everyone else has to say. I recently decided to do some research as to what ratio and premix oil to use in my 2018 yz250x. The past several years I have used Amsoil Dominator at …
Apex Racing Yamaha Cylinder Heads - Yamaha 2 Stroke
Mar 6, 2021 · I don't know how to explain the power, the bike just runs better everywhere. Here's my setup for eastern PA (500-3000'): 175 main/45 slow/N3CW-2/40 power (needle is leaner than Kinger's) 2020 YZ250X. Only mod on the engine is the power valve governor and the Apex XC dome. Edited March 7, 2021 by DirtyBeers.
Yz250x sag - Motorcycle Suspension - ThumperTalk
Dec 2, 2018 · What is best sag settings. Static sag 25 to 35mm. I think the YZ rear geometry (linkage and swingarm) gets better rear tire hookup with static in 25 to 30 range. Needs a minimum preload so lighter riders beware of overly stiff springs. Rider sag 101 to 104mm.
Yz250x vs 250fx? - What Motorcycle Should I Buy? - ThumperTalk
Jan 20, 2021 · I think the YZ250X is a rehash of a motocross bike that was great in 2007. If you want a 4-stroke get a YZ250FX. If you want a 2-stroke look a different manufacturer that offers a more modern version like Beta, KTM , etc. Things like eStart, 6 speed transmission, counter balancer, bigger fuel tank, hydraulic clutch, etc are all worth the extra ...
YZ250 or YZ250X? - Yamaha 2 Stroke - ThumperTalk
Oct 4, 2015 · If you want to beat guys on 4 strokes, or ride anything technical or just ride faster for longer, then: 1. The stock YZ250 1999-2015 motor doesn't have broad enough power. On/off pipe is stone age. 2. The stock suspension is too firm or harsh. The 250X will have broader power, mainly via the head and porting setup.
YZ250X Power Jet Zero - Yamaha 2 Stroke - ThumperTalk
Feb 11, 2021 · If you take 2 YZ250's BOTH running/tuned optimum but BOTH using different jetting. The YZ that is using more fuel and air will be producing more power. Internal Combustion Engines (ICE) requires the MAX , usable, Fuel/Air mix …
GNCC vs Enduro vs Singletrack setup? (YZ250X) - ThumperTalk
Posted May 24, 2021. I have a 2018 YZ250X. As I understand it, as a "cross country" bike, the YZ250X is meant for hare scramble and GNCC type racing. While I have done neither, I believe that means it is intended for a bit more wide open, faster terrain, including some MX …