Honda SH300 2006 Manual page 302

CRANKCASE/CRANKSHAFT
– water joint pin and O-ring
– three oil joint pins and O-rings
– reed valve
– crankshaft/connecting rod
– snap ring
– oil seal
CRANKSHAFT/CONNECTING ROD
SIDE CLEARANCE INSPECTION
Remove the crankshaft/connecting rod (page 14-5).
Before removing the connecting rod, check the big
end side clearance.
Measure the side clearance by inserting the feeler
gauge between the crankshaft and connecting rod
big end.
SERVICE LIMIT: 0.40 mm (0.016 in)
14-6
OIL JOINT PINS/O-RINGS
REED VALVE
CRANKSHAFT/
CONNECTING ROD
SNAP RING
WATER JOINT PIN/
O-RING
OIL SEAL