Dec 31, 2008 · If you ride a YZ stock, without applying any of the tuning advice you can find here, you will be pretty disappointed with the fuel mileage of the (100% bone stock,) YZ250. As …

Feb 11, 2021 · Yes, standard YZ250 tank plus the reserve petcock. HERA’s post above about more fuel = more power makes sense to me. I do like the way it ran. If after more testing, fuel …

Mar 29, 2008 · +1 on the Bel-Ray Gear Saver Oil for the YZ250's tranny. The other one that I've good luck with is Golden Spectro Gear Lube 80W(Transmission/Wet Clutch). These two seem …

Dec 29, 2017 · Ive always loved the versatility and fun factor a yz250 2 stroke has (track/woods/ whatever) and wanted more power- plain and simple- I own an Af500, a '15 yz450f and have …

Apr 18, 2007 · A lot of people have said the stock pipe is different from 05 to 06.. Internally the engine is the same since 2003.

Jan 20, 2024 · are you doing hard enduro, with a rekluse?. i tried that combo again last weekend , and realized (again) it's a really bad idea to not have the ability to rest the bike against the …

Jul 26, 2008 · Also, keep in mind that these indicator-advance specs are unique to the '99-'09 YZ250 because of it's. flywheel-stator relationship, stroke, rod length and CDI advance …

Apr 16, 2014 · 2012 Yamaha YZ250: If Yamaha would invest in new plastic and a better exhaust pipe, the YZ250 would be reborn. As it sits now, it is old looking and gives up easy horsepower …

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 …

Sep 26, 2010 · On my 2007 yz250 i run stock gearing which is 14 front and 50 rear. Maybe try a 14 front and a 48 rear for some more top end but you still will have a lot of bottom end. I run a …