Honda SH125 Manual page 75

LUBRICATION SYSTEM
SERVICE INFORMATION
GENERAL
ITEM STANDARD
Engine oil capacity After draining
Recommended engine oil
0.9 liter (1.0 US qt, 0.8 Imp qt)
1.0 liter (1.1 US qt, 0.9 Imp qt)
Honda 4-stroke oil or equivalent motor
After disassembly
oil
API service classification SE, SF or SG
Viscosity: SAE IOW-30
0.1 5
-
0.20 (0.006 - 0.008)
0.04
-
0.09 (0.002
-
0.004)
Oil pump rotor Tip clearance 0.15 (0.006)
Body clearance
Side clearance
Used engine oil may cause skin cancer if repeatedly left in contact with the skin for prolonged periods. Although this is
unlikely unless you handle used oil on a daily basis, it is still advisable to thoroughly wash your hands with soap and
water as soon as possible after handling used oil.
0
The oil pump can be serviced with the engine installed in the frame.
When removing and installing the oil pump, use care not to allow dust or dirt to enter the engine.
If any portion of the oil pump is worn beyond the specified service limits, replace the oil pump as a n assembly.
Refer to page 3-8 for engine oil level check and oil change information.
SERVICE LIMIT
-
-
-
0.20 (0.008)
0.25 (0.010)
0.12 (0.005)
TORQUE VALUES
Oil pump cover screw 2 N.m (0.2 kgf.m, 1.5 Ibf.ft)
TROUBLESHOOTING
Engine oil level too low, high
oil
consumption
Normal oil consumption
External oil leak
Worn piston rings or incorrect piston ring installation (page 9-6)
Worn cylinder (page 9-6)
Worn valve guide or stem seal (page 8-13)
Oil contamination
Oil not changed often enough
Faulty cylinder head gasket
0
Worn piston rings or incorrect piston ring installation (page 9-6)
Worn valve guide or stem seal (page 8-13)
Oil emulsification
Blown cylinder head gasket
Worn or damaged water pump mechanical seal
Water entry
4-3