Honda C8R600F4 Service Manual page 224

CRANKSHAFT /PISTON/CYLINDER
1?-1?
PISTON INSPECTION
Inspect the piston rings for movement by rotating
the rings. The rings should be able to move in their
grooves without catching.
Push the ring until the outer surface of the piston
ring i::i nearly flush with tho piston and measure the
ring-to-ring groove clearance.
SERVICE LIMITS: Top/Second: 0.08 mm (0.003 in)
Insert each piston ring into the bottom of the cylin-
der squarely using the piston.
Mea:;ure tile ring em! gap.
SERVICE LIMITS: Top: 0.4 mm (0.02 in)
Second: 0.5 mm (0.02 in)
Oil (side rail): 1.0 mm (0.04 in)
MAasurn
the
piston pin
0.D.
at piston ancl c:nn-
necting rod sliding areas.
SERVICE LIMIT: 16.98 mm (0.669 in)
Measure the piston pin hole
l.D.
SERVICE LIMIT: 17.02 mm (0.670 in)
Calculate the piston-to-piston pin clearance.
SERVICE LIMIT: 0.04 mm \0.002 in)
Measure the connecting rod small end l.D.
SERVICE LIMIT: 17.04 mm (0.671 in)
Calculate the connecting rod-to-piston pin clear-
ance.
SERVICE LIMIT: 0.06 mm (0.002 in)