Table of Contents
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CHAPTER 3. ENGINE OVERHAUL
ENGINE REMOVAL ........................................
3-1.
A. Preparation for removal ...................................
B. Fuel tank removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C. Removal of other parts. ...................................
D. Engine mounting bolts and engine removal ....................
ENGINE DISASSEMBLY ....................................
3-2.
A. Governor and breaker assembly removal ........
B. Cylinder head and cylinder removal ............
C. Rocker arm removal ........................
D. Valve removal .............................
E. Piston removal ............................
F. Generator removal .........................
G. Primary drive gear and clutch assembly removal ...
H. Kick axle and change shaft removal ............
Electric starter unit removal ..................
Oil pump removal. .........................
J.
K. Crankcase disassembly ......................
L. Transmission illustration ....................
M. Shift drum removal ........................
N. Crank shaft removal ........................
INSPECTION
3-3.
Cyinder head cover. ............................................... .22
A.
B.
Valve, valve guide and valve seat. ......................................23
C.
Valvespring.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..2 4
D.
Rocker arm and rocker shaft ........................................ .25
E.
Cam shaft wear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..2 5
F.
Cam chain, sprocket and dampers .................................... .26
G.
H.
Piston and rings .................................................. .26
J.
Crankshaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
K.
Oil pump p . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
L.
Clutch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
M.
Transmission
N.
Electric starter gears and clip spring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0 .
Kickstarter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..2 9
P.
Crankcase and oil passages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Q.
Bearings and oil seals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
R.
AND
REPAIR
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..2 8
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