Two Brothers Racing Honda XR50R - Manual (Page 2)

5. Remove left side crank case cover
6. Remove both tappet covers
7. Rotate the cam gear to the "O" mark, be sure
the flywheel is on the corresponding "F" and
"T" marks. Remove cam sprocket (you will
need to keep the flywheel stationary in order
to prevent the cam sprocket from rotating).
8. Loosen cylinder head side bolt. Loosen cam
chain roller bolt
9. Remove cylinder head cover (x4 bolts & x4
washers)
10. Remove cylinder head (DO NOT LOSE THE
KNOCK PINS, you will be reusing these)
11. Remove the cylinder head side bolt
Remove cam chain roller bolt
Remove cam chain roller
Remove cylinder
12. Remove c-clip and wrist pin
Remove piston (USE A CLEAN RAG TO
PLUG THE CRANKCASE - BE CAREFUL
NOT TO GET ANY DIRT, DUST OR FOR-
EIGN BODY IN THE CRANKCASE)
XR50R 88cc Engine Build Instructions.qxd PAGE 2