262
Powerhead
Powerhead Assembly
• Apply final torque of 60 to 65 ft. lbs. (81 to 88
N·m).
IMPORTANT: If a new screw is used, it must be
installed as above. Then, it must be removed, re-
lubricated, and installed again.
Loosen forcing screw and remove the frame.
Test at least three corners of the rod and cap joint
with a pick. Joint must be smooth with no step.
Crankcase Assembly
Thoroughly clean and degrease the mating
flanges of the crankcase and cylinder block with a
non-petroleum based solvent, such as isopropyl
alcohol or acetone, and let air dry.
IMPORTANT: DO NOT allow solvent to get on
internal components. Clean only the mating flang-
es.
A apply an even 1/8 inch (3 mm) bead of Three-
bond 1217H sealant, P/N 768611, to the crank-
case mating flange in the pattern shown below.
The sealant must not come within 1/4 in. (6.4 mm)
of bearings.
Lower the crankcase into place.
009718
009719
Threebond 1217H Sealant
009732
1. Even 1/8 inch (3 mm) bead
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