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Valve Clearance
Servicing Your Honda 69
Camshaft Installation
1. Install the newly selected shims (1) on the
valve spring retainers (2).
Do not let the shims fall into the crankcase.
NOTICE
(1) shims
(2) valve spring retainers
2. Apply molybdenum disulfide oil (a mixture of
1/2 engine oil and 1/2 molybdenum disulfide
grease containing more than 3% molybdenum
disulfide additive) to the following parts.
– camshaft cam lobes
– each valve lifter outer surface
– plunger whole surface
(1)
(2)
(2)
(1)
(4) cylinder head (10) cam sprocket
(7) camshaft (11) left camshaft bearing
(9) cam chain
(7)
(8)
(7) camshaft (8) intake cam lobes
7. Install the cam chain (9) over the cam
sprocket (10).
While holding the left camshaft bearing (11)
to the left fully, install the camshaft (7) onto
the cylinder head (4).
(7)
(9)
(4)
(10)
(11)
5. Make sure the piston is at TDC on the
compression stroke (page 64).
6. Install the camshaft (7) onto the cylinder head
with intake cam lobes (8) facing up as
illustrated below.
(cont’d)
(5) plunger
(6) decompressor weight
If the operation is not smooth, refer to an official
Honda Service Manual (page 156) for
decompressor disassembly or see your Honda
dealer
.
(4)
(3)
(3) valve lifters
(4) cylinder head
4. Check the operation of the plunger (5) by
turning the decompressor weight (6) with your
finger; The plunger should be retracted and
protruded smoothly.
(6)
(5)
3. Install each valve lifter (3) in their original
location into the cylinder head (4).
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