pag. 26
Engine TRE 0701-TRE 0702-TRE 0801
Service manual
8.2. Verify petrol pump (if present)
By following the operations below, verify that the
ow from the petrol pump is continuous and without
interruptions:
1 - Disconnect the outlet tube (6) which is connec-
ted from the pump (7) to the carburettor.
2 - Insert a tube (8) connected to an additional tank
(9) and start the engine.
3 - Test petrol outow for approx. ten seconds. If the
ow is irregular, the pump must be replaced.
8.3. Pump replacement (if present)
1 - Disconnect the outlet tube (6), the inlet tube (10)
and the pressure indicator tube (11).
2 - Remove the two screws (12) which secure the
petrol pump and replace pump.
8.4. Adjusting maximum speed
1 - Check that the throttle cable is adjusted cor-
rectly [
8.1].
2 - Let the engine heat up for a few minutes then
set the throttle control to “FAST”.
8. GOVERNOR SYSTEM OF THE CARBURETTOR
7
6
8
9
FAST
12
6
11
10