Valvesand Valve Stem Seals; Removalfrom The Cylinder Head - Triumph DAYTONA 675 Service Manual

Cylinder Head
B: Tighten the head bolts in the sequence
shown on the previous page, to 20 Nm.
• For the final torque operation, Stage C, (see
below) which is carried out in the sequence
shown on the previous page, a 'torque turn'
method is used. The bolts must be turned
through 120° to reach the final setting. To
accurately gauge the 120
tool 3880105-T0301 as follows:
C: Fit the tool between the Torx socket and the
drive handle and locate the Torx drive to the
head bolt. Pick an increment point on the
torque turn gauge which aligns with a
suitable reference point on the head.
Tighten the bolts until 12 of the 10° (I.E.
120°) gauge increments have rotated past
the chosen point on the head.
Tool T3880105-T0301
6. Fit the screws securing the side of the cylinder head
to the crankcase and tighten to 10 Nm.
1. Cylinder head to upper crankcase screws
7. Install the camshaft drive chain tensioner blades.
Clean and lubricate the tappet buckets with a 50/50
8.
solution of engine oil and molybdenum disulphide
grease and refit the buckets and shims in the same
locations from which they were removed.
9. Refit the camshaft drive chain (see page 3-21).
10. Refit the camshafts (see page 3-17).
11. Install the engine to the frame (see page 9-4).
3.24
Service Manual - Daytona 675, Street Triple and Street Triple R
Valves and Valve Stem Seals
Removal from the Cylinder Head
1.
0
turn, use service
Increment
markings
gadh
2.
1. Valve stem seal
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.
Valve removal
Once the collets are released, remove the following
items:
•
valve spring retainer
•
valve spring
• valve spring base
• valve stem oil seal
•
valve (de-burr before removal)
Il1MP