Valves And Valve Stem Seals; Removal From The Cylinder Head; Installation - Triumph Rocket III Service Manual

7. In the order shown below, tighten the cylinder
head bolts in three stages as follows:
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Cylinder head bolt tightening sequence
8. In the sequence shown above, tighten bolts
through 8 to 20 Nm.
9. In the sequence shown above, tighten bolts 1
through 8 to 50 Nm.
10. In the sequence shown above, tighten bolts 1
through 8 through a further 90° using tool
T3880105 or similar to measure the torque-
angle.
11. Tighten bolts 9 and 10 to 12 Nm.
12. Lubricate the tappet buckets with a 50/50
solution of molybdenum disulphide grease and
engine oil, then refit them and the valve shims to
their original locations in the head.
13. Refit the camshafts (see page 3.12).
14. Check and adjust the valve clearances (see page
3.14).
15. Reconnect the coolant temperature sensor.
16. Refit the bypass and top hoses.
17. Refit the oil tank (see page 9.16).
18. Refit the throttle bodies (see page 11.123).
19. Refit the exhaust system (see page 11.136).
20. Refill the cooling system (see page 12.7).
21. Refit the fuel tank (see page 11.101).
22. Refit both engine in-fill panels, tightening the
fixings to 4 Nm.
23. Start the engine and allow it to idle while
checking for air, oil, coolant and exhaust leaks.
Rectify as necessary.
24. Check and top up the cooling system (see page
12.5).
25. Check and top up the oil level (see page 9.7).
Cylinder Head
Valves and Valve Stem Seals
Removal from the cylinder head
1. Remove each valve from the head using a valve
spring compressor. The compressor must act on
the top cup to allow removal of the valve collets.
2. Once the collets are released, remove the
following items:
• collets
• valve spring cap
• valve spring
• valve stem seal
• valve spring thrust washer
Installation
1. Apply a thin coat of molybdenum disulphide
grease to the valve stem.
2. Install the valve into the valve guide and refit the
thrust washer to the valve spring recess (if
removed).
3. Fit the valve stem seal over the valve stem and,
using a suitable tool, press down fully until the
seal is correctly seated over the valve guide.
Note:
• During fitment of the valve stem seal, two
distinctly different degrees of resistance
will be noted when the seal is correctly
fitted.
4. Firstly, press the seal down the valve stem until
the lower side of the seal comes into contact with
the valve guide. Greater resistance is felt at this
contact point and further gentle pressure is then
required to locate the seal over the top end of the
valve guide.
5. On application of this pressure, the seal can be
felt to positively locate over the top face of the
valve guide. Once correctly positioned, the seal
cannot be pushed down any further.
Incorrect fitment of the valve stem oil seals could
lead to high oil consumption and blue smoke
emissions from the exhaust system. Do not use
excessive force in fitting the seal as this may break
the seal ring.
6. Install the valve spring.
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Service Manual - Rocket III
3.17