Dismounting The Engine - Honda CB450 1968 Service Manual

u
Fig.
3. 4
Forced lubrication system
CD To camshaft
® Left cover
® Right cover
© Cylinder head
® Cylinder
® Left cronkcose cover
(Z)
To mainshaf t
® To cronkshaf t
®
Right crankcase cove r
® Lower crankcase
@
Oil pump
Fig. 3. 5 Uncoupling the electrical leads
(D
Electrical leads
3. ENGINE
Lubrication
The various sections of the engine are lubricated
by oil through the oil routing system :
Lower crankcase oil sump-filter screen-
oil pump- lower crankcase- right crankcase
cover-oil filter-right crankcase cover-- ;,.
upper crankcase- crankshaft, transmission main-
shaft, inlet camshaft, and exhaust camshaft. (Refer
to Fig. 3. 41
In addition, the cam chain guide roller and torsion
bar valve springs are lubricated by oil splashed
from the camshaft. The counter shaft and kick starter
pinion are also lubricated by oil splashed from the
oil pan.
e.
Dismounting the Engine
1.
Fuel Tank
Turn the fuel cock to the "STOP" position;
remove the two fuel lines from the cock, the
fuel level tube, raise the seat and remove the
tank.
2. Carburetor
Remove the throttle cables from the carbu-
retors; remove the left and right air cleaner
cases and loosen the carburetor insulating bands.
3.
Remove the muffiers.
4.
Clutch cable
Remove the gear change pedal and left side
step bar, and take off the drive chain cover.
5.
Remove the drive chain.
6.
Unplug the electrical cable connection . (Refer
to Fig. 3. 51