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Valve Clearance
(cont’d)
Servicing Your Honda 87
1. Lift the rocker arms (1) up and install the
newly selected valve shims (2) on the valve
spring retainers (3).
NOTICE
Do not let the valve shims fall into the crankcase.
2. Check the operation of the plunger (4) by
moving the decompressor weight (5) of the
exhaust camshaft (6) with your finger. The
plunger should be retracted and protruded
smoothly.
If the operation is not smooth, refer to an official
Honda Service Manual (page 186) for
decompressor disassembly or see your dealer.
3. Make sure the piston is at TDC on the
compression stroke (page 83).
4. Apply molybdenum disulfide oil (a mixture of
1/2 engine oil and 1/2 molybdenum disulfide
grease containing more than 3% molybdenum
disulfide additive Moly Paste 77) to the
following parts.
– camshaft cam lobes (7)
– journal surfaces (8)
– decompressor weight (5)
–plunger (4)
5. Remove the sealing bolt (9) and sealing washer
(10).
6. Insert the rocker arm shaft stopper bolt (11)
aligning the cut-out of the rocker arm shaft
(12) with the rocker arm shaft stopper bolt by
rotating a suitable 4 mm bolt (13).
NOTICE
Do not let the rocker arm shaft stopper bolt fall
into the crankcase.
Camshaft Installation
(1) rocker arms (3) valve spring retainers
(2) valve shims
(4) plunger (6) exhaust camshaft
(5) decompressor weight
(1)
(1)
(2)
(3) (1)
(3)
(2)
(1)
(3)
(5)
(6)
(4)
(4) plunger
(5) decompressor weight
(7) camshaft cam lobes
(8) journal surfaces
(5)
(7)
(8)
(8)
(8)
(7)
(4)
(9) sealing bolt
(10) sealing washer
(11) rocker arm shaft stopper bolt
(12) rocker arm shaft
(13) 4 mm bolt
(10)
(9)
(11)
(13)
(12)
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