Triumph Tiger Service Manual page 57

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C)
A
CAUTION: If the camshafts and caps are
~
fitted without first aligning the timing
marks on both the crankshaft and camshaft
sprockets, or if both camshafts are fitted at the
same time, the inlet and exhaust valves will
contact each other causing damage to both the
head and the valves.
17. Lubricate the threads of the camshaft cap screws
and evenly and progressively tighten to 10 Nm.
18. Before fitting the cam chain tensioner, ensure that
each camshaft rotates freely.' Do not rotate either
camshaft by more than 5°.
' " CAUTION: If any components have been
~
renewed, the valve clearances must be
checked and adjusted. Running with incorrectly
adjusted valve clearances may cause excess
engine noise, rough running and engine damage.
19. Recheck that the crankshaft rotor 'T1' mark aligns
with the crankshaft position sensor when the timing
marks on both camshaft sprockets are level with the
cylinder head and point inwards,
20. Assemble the cam chain tensioner following the
instructions given earlier in this section.
21. Rotate the engine through 4 full revolutions, and
reset number 1 cylinder to TDC. Ensure that the
'T1' mark on the crankshaft rotor is aligned with the
crankshaft position sensor.
1. Ignition Rotor
2. Crankshaft Position Sensor
3.25
CYLINDER HEAD & CAMSHAFT 3
22. Re-check that the camshaft timing marks align as
illustrated below.
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Camshaft to Cylinder Head Alignment Marks
NOTE:
•
Depending on the engine configuration, with
the camshaft arrows aligned as shown, the 'T1'
mark on the crankshaft may align with the
crankshaft position sensor at either the rear,
centre or front edge of the gear tooth. Any of
those alignment positions can be considered to
be correct.
23. Re-check tensioner plunger location against the
tensioner blade.
24. Check the valve clearances. Adjust as necessary.
25. Refit the cam chain top pad and tighten the fixings to
10Nm.
1. Cam Chain Top Pad
26. Refit the bolt to the centre of the cam chain housing
in the cylinder head, tightening to 10 Nm.