Mechanical WL-C Engine
• The cylinder head and the full floating cylinder head cover are made of aluminium alloy.
• The steel laminated cylinder head gasket is available in three different thicknesses
depending on the piston protrusion. The gasket is marked respectively (refer to Engine
W/M).
• The camshafts are supported in a separate bearing case, which is available as a
separate spare part.
• For lubrication of the cam lobes, bearings / journals and rocker arms, the camshafts are
hollow and have oil bores at each lubricating point.
BT-50_01008
A Exhaust camshaft 3 Oil passage
B Intake camshaft 4 Location of cylinder no.1
1 Thrust force bearing boss 5 Hexagonal shaped surface
2 Oil bore
NOTE: The cylinder head surface must not be machined. If necessary, the cylinder head
must be replaced (refer to Engine W/M).
01-6 Service Training BT-50
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