Bad Boy 1500 - Cylinder Head Installation

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• Tap the valve stems gently with a plastic hammer
to make sure valve retainer and valve cotter is
seated.
CAUTION
• Place and hold cylinder head on to working table
to prevent valve damaged.
Cylinder head installation:
• Clean up all residue and foreign materials on the
matching surfaces of both cylinder and cylinder
head.
• Install chain guide, dowel pins and a new cylinder
head gasket onto the cylinder.
CAUTION
• Do not damage the mating surfaces of cylinder
and cylinder head.
• Avoid gasket materials falling into crankcase.
• Install 4 washers and tighten 4 bolts on the
cylinder head upper side, and then tighten
4 cylinder head nuts to the specified torque.
(2 M6,2 M8).
Cylinder head bolt
• Bolt: 22-29 ft/lbs
Nut: M6:7-10 ft/lbs
M8: 17-21 ft/lbs
• Install camshaft into cylinder head.
• Install rocker arm, rocker arm shaft.
• Install cam chain tensioner into cylinder head
• Install 6 bolts on the stand for spindle, cam.
6 Bolts: 7-10 ft/lbs