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Yes this is a long and repetitive video. This crankcase bottom lower end engine motor transmission rebuild how to diy assembly is not the simplest thing in the world (especially for a newbie.) This video is more for the new guy or someone sorely afraid to dive in to the bottom of his dirtbike engine. So, take this info as you will. This is not necessarily how you would install the transmission as per your service manual. This was more to help you understand the ins and outs of this rather complicated assembly. Because, if you understand how it operates, you can easier disassemble and assemble it even if all the parts were scattered all over your shop. Transmission, gears, cogs, main axle, drive axle, Shift Cam, Shift Forks, etc.
See our previous videos on dealing with disassembly / reassembly of the main shaft and drive shaft assembly as well as the governor and other related items within the Yamaha YZ250 2-stroke two stroke mx bike engine. See playlist link below for project thus far.
• 👨🔧 Engine Refresh and...
Make sure you refer to your service manual for exact assembly if yours is not a 1999-2021 YZ250 YZ250X as shown in the video.
And for those wanting an awesome new cellphone. The Samsung Galaxy Note 10+ Plus is what we now use and film with. It is fantastic. Here's where to buy on Amazon. amzn.to/2FTw1ZC
See below for more items we use in our shop for motorcycle atv sxs mechanics and more. Some were used for this video.
Circlip Pliers Set amzn.to/36pkhZV
Irwin Small Bench Vise amzn.to/2GcxoSX
Industrial Grade Reversible Bench Vise amzn.to/2HeV3mx
Yamaha YZ250 YZ250X Aftermarket Shop Service Manual amzn.to/337BBAo
Crankshaft Remover / Installer and Crankcase Splitter Tool Set amzn.to/3kvnlrw
Other tools we use:
Where to buy miniature mini grease gun amzn.to/2Zt1Tel
12mm 1.5 Magnetic Oil Drain Plug amzn.to/2GHuuFZ
BernzoMatic TS4000KC Torch with Igniter amzn.to/32lr3gJ
Where to buy dirtbike engine stand amzn.to/2QAlh3Z
Rolling mechanic cart amzn.to/3b6m9qu
Magnetic Tool Strip (I used two) amzn.to/3gFjuVR
Magnetic Parts Tray amzn.to/32DQ5qf
Motion Pro Crankcase Splitter amzn.to/3jrMylv
Heavy Plastic Deadblow Hammer amzn.to/31GXu8X
Motion Pro Crank Installer / Remover amzn.to/3lzx0OL
Motion Pro 27mm 1.0 LH Flywheel Puller (make sure this is for your model) amzn.to/3gDyKTb
Motion Pro Universal Flywheel / Clutch Hub Holder Tool amzn.to/2QCH6jp
Motion Pro T-Handle Rack (I used two) amzn.to/3luN4kF
Motion Pro T-Handle Set amzn.to/3luxFRj
Park Tools T-Handle Allen Set amzn.to/3lxeLcF
Magnetic Paper Towel Holder amzn.to/2QFsPmi
Magnetic Pivoting Flashlight amzn.to/2EOoZVf
Document Prop amzn.to/2Gd4Jx9
Checkerboard Stool amzn.to/31IFv1X
iPad Air 2 amzn.to/2EIjlnH
iPad Air 2 Case and Keyboard amzn.to/3jr5VLE
8" C Clamp amzn.to/3gKcsPP
Blue Shop Paper Towels amzn.to/32DJ1tM
Gasket Scraper Set amzn.to/31FxZET
Motion Pro Gear Jammer amzn.to/2ERxLBW
Kobalt 24V Impact Driver and Drill Set amzn.to/2QTZPr2
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