Crankcase Assembly - Honda GL1800 Service Manual

CYLINDER/PISTON/CRANKSHAFT

CRANKCASE ASSEMBLY

Clean the left and right crankcase mating surfaces.
Temporarily install the ignition pulse generator bolt.
Turn the crankshaft and position the front piston
Be careful that the
(No. 1) to the top dead center (highest position)
right cylinder pis-
while holding the right cylinder pistons.
tons do not inter-
fere with the
Apply engine oil to the cylinder wall, piston and pis-
transmission gears
ton rings.
or crankcase.
Install the special tools as shown.
TOOLS:
Piston ring compressor
Piston base A
Piston base B
Prepare wooden blocks (40 x 40 x 85 mm) for sup-
port of crankcase.
Cover the transmission gears and crankcase mating
surfaces with shop towel to prevent damaging
them.
Place the support blocks lengthwise onto the left
crankcase mating surfaces.
Hold the right crankcase over the left crankcase and
set the front cylinder (No. 1) straight onto the No. 1
piston while aligning the center shift fork with the
transmission gear shifter groove. The right crank-
case will rest on the support blocks.
Carefully pull the wires of the No. 1 piston ring com-
pressor to separate the two halves and remove the
No. 1 compressor out of the crankcase.
Remove piston base B.
11-22
07JMG-MN5000B or
07JMG-MN5000A
(3 pcs) (U.S.A. only)
07ZMG-MCAA100
(U.S.A. only)
07ZMG-MCAA200
(U.S.A. only)
UPPORT BLOCK