235
POWERHEAD
POWERHEAD ASSEMBLY
11
Install cylinder he ad wit h the thermostat toward
the top. Apply Triple-Guard grease to threads and
install the cylinder head screws. DO NOT use any
sealant on threads
Following seq uence st amped on cylinder he ad,
tighten all screws in stages to a torque of 17 to 19
ft. lbs. (23 to 26 N·m).
Crankshaft and Connecting
Rods
Lightly co at the cylinde r block up per and lower
crankcase head flange surfaces with a th in layer
of Gel-Seal II.
Check that main bearing alignment dowel pins are
seated in the block.
Push all pistons to the to p of cylinders. Remove
the numbered connecting rod caps and hold the
connecting rods to the outside with rubber bands.
Gently lower crankshaft into place.
• Turn all crankcase seal ring gaps to face up.
• Locate each main bea ring on it s dowel pin. A
mark place d on t he bea ring ra ce o pposite th e
dowel pin ho le will help in the alignment p ro-
cess.
• Tap the crankshaft upward with a rawhide mallet
to seat crankshaft and lower crankcase head.
• Loosely secure uppe r and lower crankcase
heads with two screws.
Lubricate ea ch crankpin and bearing assembly
with outboard lubricant. Slowly pull connecting rod
up to crankshaft and install bearing halves.
004133
004130
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31827
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