How-To: Honda Z50R XR50R CRF50F Engine Rebuild 1968-2015

https://www.howtomotorcyclerepair.com...
CLICK link above for full length video and FREE service manuals.

Now on Facebook. Give me a Like.
  / howtomotorcyclerepair  

Sign up for my newsletter! Get emailed when new videos come out.
http://www.howtomotorcyclerepair.com/...

I bought this bike with engine completely disassembled. I spent the past month piecing it back together and found why it was taken apart: there was a shifting problem.

Here is what the video covers:

What is covered in this video?
Complete top and bottom end disassembly
Splitting the cases
Complete transmission disassembly and reassembly
Clutch disassembly and reassembly (including plates and springs)
Oil pump disassembly and reassembly
Cylinder head disassembly and reassembly(with valve lapping tutorial)
New valve stem seal installation
Cam timing procedure
Piston ring end gap inspection
Some measurements (cylinder bore & piston O.D.)

What is not covered in this video?
Engine removal & installation from frame. Video begins with engine on workbench
Transmission blind needle bearing removal in engine cases
Main bearing removal from crankshaft
Some engine parts are missing during disassembly (parts are added during reassembly and covered in detail)