Triumph TR6 PI Operation Manual page 184

CARBURETIER - CAR SET
- Tune and adjust
Special
tool:
S353
19.15.02
FUEL SYSTEM - TC
Mixture checking
I. Start the engine and run until normal operating
temperature is achieved.
2. Stop the engine and remove the air cleaner 19.10.01.
3. Slacken. the throttle interconnection, spring coupling
nuts and bolts.
4. Unscrew the slow running screw on both carburetters.
5. Ensure that the mixture control knob on the fascia is
pushed fully home and that there is clearance
'A'
between the fast idle screw and the cam on both
carburetters.
6. Turn both throttle adjusting screws approximately
1'1/2 turns to open the butterflies to give a datum
setting.
7. Start the engine and lift both carburetter pistons in
turn approximately
y.,
in (6 mm) and note the engine
response as follows.
a) Immediate increase in r.p.m - rich mixture
b)
Decrease in r.p.m. or stall - weak mixture
c) Slight increase in r.p.m. then return to normal
- correct mixture.
8. Carry out a C.O. level check.
Continued
Triumph TR6 Manual. Part No. 545277 Issue 1
19.15.02C Sheet I