Installation Instructions

1 ENGINE
A145F001
(1) Plus Screw Driver (3) Copper Gasket
(2) Nozzle Holder (4) Heat Seal
81700·82100·82400 WSM,11770
Tappets
1. Remove the six tappets (1) from the crankcase.
(When reassembling)
• Visually check the contact between tappets and cams for
proper rotation. If a defect is found, replace tappets.
• Before installing the tappets, apply engine oil thinly around
them.
(1) Tappet
Valves
1. Remove the valve caps.
2. Remove the valve spring collet, pushing the valve spring
retainer by valve spring replacer.
3. Remove the valve spring retainer, valve spring and valve
stem
seal.
4. Remove the valve.
l1li IMPORTANT
• Don't change the combination of valve and valve guide.
(1) Valve Spring Replacer (5) Valve Spring
(2) Valve Cap (6) Valve Stem Seal
(3) Valve Spring Collet (7) Valve
(4) Valve Spring Retainer
Nozzle Heat Seal Service Removal Procedure
l1li IMPORTANT
• Use a plus (phillips head) screw driver that has a Dia. which
is bigger than the heat seal hole (approx. 6 mm) 1/4 in.
1. Drive screw driver lightly into the heat seal hole.
2. Turn screw driver three or four times each way.
3. While turning the screw driver, slowly pull the heat seal out
together with the copper gasket.
If the heat seal drops, repeat the above procedure. Heat seal
and copper gasket must be changed when the injection
nozzle is removed for cleaning or for service.
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