2stroke vs 4stroke Yamaha YZ250 YZ450F.wmv
Out and about riding dirt bikes in the beautiful BC Canada. Way above clouds at one point. Starts off with a little hill climb (its actually steeper than it looks) . Riding around Chipmunk, MT. Thurston, Mt. Cheam ridge. 2 stroke vs. 4 stroke.
How to Start a 2001-2002 Yamaha YZ 250F
Hey ya'll this is just a little video showing how to start a 2001-2002(correct me if im wrong) Yamaha YZ 250F with the decompression lever. Message me or comment with any questions you guys have. Will do another video about this upon request. Comment, Subscribe and Rate!!
*No Copyright Intended*
2013 Yamaha YZ250
The YZ250 is the standard by which every other 250cc 2-stroke motocross bike wishes they could live up to. With giggle inducing power, unbelievable lightweight handling and legendary Yamaha durability. Plus, 2-strokes are easier and cost less to maintain.
Find out more:
YZ250 Port Teaser and First Start
Had to take care of the top end of my YZ250. I took the opportunity to make my favorite port adjustment that DeoVindice showed me. Have to keep the details under wraps since they're "proprietary", but it makes for great gains in bottom end power even with a mid range pipe. I think this adjustment is a must for any two stroke no matter the type of riding, but woods riders/racers like myself will benefit the most.
I also attempt to redeem myself for the 250R first start vid. I get it fired with a few kicks, but the first time I run it around the yard I left the choke on so the engine sputtered and smoked a bit. Once I turned it off it ran cleanly and felt like the port work did what I wanted.
Since making this video I've taken the bike for a couple of rides and the change is dramatic. I can lug the bike up difficult terrain without too much effort, but then it really wakes up in the mid range (a little too suddenly thanks to the damn FMF pipe). Carb still needs a little tuning and if the bike had slightly more low end power it would be perfect; might be able to coax a bit more out of it the next time it's due. I let a friend ride this and he said it felt like a four stroke.
1987 87 Yamaha YZ 250 Rebuilding
A totally rebuilding for a 1987 yz 250.
We had to change the right inner case which was craked, to repair the Exhaust system, to check the carburetor, to clean all the mechanical parts, change the bearings, add a new sprocket, rebuild the stator with new coils, clean the flywheel, replace the clutch and check the power valve, adjust the rear brake and also giving a general restyling