Triumph Daytona 955i, Service Manual

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CYLINDER HEAD & CAMSHAFT 3
M
VALVE CLEARANCE ADJUSTMENT
Valves are adjusted, in pairs, using tool T3880012 to
hold the valve open during shim removal and
replacement.
1. Rotate each tappet bucket until the slots in the
buckets are positioned such that they are pointing
to the outside of the head.
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Buckets Positioned to outside of head
2. Remove the spark plugs to reduce compression
resistance. Engage a high gear and, with the aid of
an assistant, rotate the engine by turning the rear
wheel forward until the pair of valves to be adjusted
are fully open. Take care to ensure that the tappet
buckets do not turn during opening.
NOTE:
• The tool mounting plate is marked `IN' and `EX'
denoting which are the inlet and exhaust sides
of the tool. Always ensure that the tool
assembly instructions are closely followed to
ensure correct tool operation.
3. Loosely assemble the tool legs to the mounting
plate ensuring that the legs are assembled to the
correct side of the mounting plate for the valve
shims being changed. For example, if changing
inlet valve shims, the legs must be fitted to the side
marked `IN'.
4. Locate the mounting plate to the camshaft caps
above the valves to be adjusted. The tool legs must
face towards the spark plug tubes. Tighten the
mounting plate fixings to 7 Nm.
Tool in Position on Inlet Camshaft
5. Hold the tool legs firmly against the mounting plate
and tighten the leg to mounting plate fixings to 7
Nm.
A
CAUTION: With the tool fi tted, full 3600
rotation of the engine/camshaft is not
possible. The engine must be turned such that the
camshaft lobes turn within the available free space
allowed by the tool. Severe tool and camshaft
damage will result from camshaft contact with the
tool.
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Tool Mounting Plate Markings
Rotate in direction of arrow, not towards tool.
3.13