Camshaft To Cylinder; Crankcase To Cylinder - BRP Johnson 4HP Service Manual

POWERHEAD
REASSEMBLY

Camshaft to Cylinder

1. Apply engine oil to the tappets.
2. Install the tappets in the cylinder block.
3. Apply engine oil to the cam faces and the cam journals.
4. While aligning each punch mark on the camshaft gear
and the crankshaft gear, install the camshaft to the cylin-
der block.

Crankcase to Cylinder

1. Clean the mating surfaces of the cylinder block and the
crankcase.
2. Install the two dowel pins in the cylinder block
3. Install new gasket.
4. Install the crankcase on the cylinder block.
5. Tighten the six crankcase bolts to the specified torque in
the order indicated.

Crankcase bolt: 10 N·m (1.0 kg-m; 7.0 lb-ft)
NOTE:
Do not apply engine oil to the crankcase bolts.
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