(o) Place the piston assembly and counterbalance on the motor shaft
with the key in place. Secure in place with a bolt and lock washer.
The piston assembly and counterbalance are a matched assembly. You must
replace them as a set.
(p) Replace any compression and expander rings removed from
(q) Install the front half of the crankcase and secure in place with three
(r) Assemble the cylinder head and valve assemblies. Apply a thin
film of O-ring grease to the O-ring head circle. Install cylinders and secure in place with
four bolts and lock washers. Torque these bolts to 70-inch pounds.
Check head clearance while rocking the piston between the top of the
casing and piston using a depth gauge. Clearance must be between
0.010 inches and 0.016 inches. Insert the appropriate shim.
Install the intake flex hoses and left and right outlet tubes between
Replace all components remaining in the reverse order of removal.
Ensure that all fittings are leak-proof.
(v) Apply a paste-type pipe dope to all threads except compression
fittings before assembling.