Dec 26, 2024 · Gonna give a two stroke a try for this seasons enduro championship in D36 after 3 years on 450’s. Slowly going through it one or two changes at a time. Will share thoughts. First …

Feb 11, 2021 · I have been a big fan of Kinger 317's Power Jet #40 jetting recipe and have been running his exact formula for nearly as long as I've owned my 2018 YZ250X with good results. …

Apr 13, 2019 · I use 14/52 gearing now on my 2020 Yamaha YZ-250X using Renthal sprockets and a D.I.D. 520 ERVT X-Ring chain but I live in the mountains in Western North Carolina …

May 13, 2020 · 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, …

Dec 7, 2020 · List of modifications to bike ALL DONE MANY HOURS BEFORE THE HEAD INSTALL (2016 YZ250X): GYTR Flywheel 13/50 gearing Pro Circuit 296 Spark Arrestor, Stock …

Aug 14, 2019 · So I have a 2019 yz250x and I have recently changed two parts that have made it so much better in the tight technical singletrack. First the heavier GYTR flywheel made a huge …

Oct 5, 2015 · If the YZ250X had been available a few years ago I certainly would have purchased it over my current YZ125 (got a good deal on a 2 year old leftover new bike) I absolutely …

Mar 6, 2021 · I'm starting this thread to serve as a place to ask questions about Apex Technical Innovations cylinder heads (yz250, yz250x, yz125, yz125x). Picking the right dome or domes …

Jan 17, 2018 · I searched and only saw posts from a few years back or older model year YZ250s so I thought I would post this. I have a 2018 YZ250X and based on suggestions from a thread …

Jan 4, 2020 · I am running the Northeast 24 hour Challenge again this year but I am over using helmet lights. I ride a 2017 YZ250X. I am thinking of getting a light bar but obviously need a …