Honda 2000 XR50R Service Manual page 98

CYLINDER/PISTON
8-8
Apply engine oillO the guide roller inner surface.
Install the cam chain guide railer, new sealing
washer and pin bolt.
Tighten the cam chain guide roller pin bolt to the
specified torque.
TORQUE: 10 N·m (1.0 kgf·m, 7 Ibf·ft)
Install the cylinder mounting bolt but do not tighten
it yet.
Install the cylinder head (page 7-14),
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GUIDE ROI_LEF