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Valve Clearance
(cont’d)
Servicing Your Honda 71
1. Lift the rocker arms (1) up and install the
newly selected shims (2) on the valve spring
retainers (3).
NOTICE
Do not let the shims fall into the crankcase.
2. Check the operation of the plunger (4) by
turning the decompressor weight (5) 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 168) for
decompressor disassembly or see your dealer.
3. Make sure the piston is at TDC on the
compression stroke (page 67).
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
– plunger whole surface
5. Install the camshaft (6) onto the cylinder head
with the decompressor weight (5) facing up as
illustrated below.
6. Install the cam chain (7) over the cam sprocket
(8).
While holding the left camshaft bearing (9) to
the left fully, install the camshaft (6) onto the
cylinder head (10).
Camshaft Installation
(1) rocker arms (3) valve spring retainers
(2) shims
(2)
(3)
(1)
(1)
(2)
(3)
(3)
(4) plunger
(5) decompressor weight
(5)
(4)
(5) decompressor weight (8) cam sprocket
(6) camshaft (9)
left camshaft beari
ng
(7) cam chain (10)
cylinder head
(7)
(9)
(8)
(6)
(5)
(10)
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