SERVICE INFORMATION
LUBRICATION & SEAL POINT
Location Material Remarks
Crankshaft pin, journal, and gear Engine oil
Crankcase bearing
Crankcase cover bearing
Piston outer surface and piston pin hole
Piston pin outer surface
Piston ring
Cylinder inner surface
Connecting rod big and small end bearing
Connecting rod bolt threads and seating surface
Camshaft cam profile, bearing, decompressor, and
gear
Valve lifter shaft and slipper
Valve stem seal contact area of seal lip
Valve stem sliding surface and stem end
Valve spring
Push rod end
Tappet adjusting screw and nut threads and seating
surface
Rocker arm shaft
Flywheel nut threads and seating surface
Governor weight holder gear and journal
Governor holder shaft
Governor slider
Governor arm shaft
Cylinder head bolt threads and seating surface
Rocker arm pivot threads and pivot
Balancer shaft bearing and gear
P.T.O. shaft bearing and gear
Drive sprocket and P.T.O. shaft
Counter shaft bearing and gears
Clutch friction disc and clutch plate (GX270) Engine oil 1/2 reduction with clutch
Oil seal lip Multi-purpose grease
O-ring
Recoil starter case cutout
Recoil starter ratchet sliding surface
Recoil starter spring retainer inside
Camshaft cam profile Use molybdenum solution
(mixture of the engine oil and
molybdenum grease with the
ratio 100 g grease: 70 cc oil)
When installing a new cam-
shaft
Recoil starter center screw threads Hondalock 1, Threebond®
2430 or equivalent