- 41 - MAN-043E ENG
4.5 - TROBLESHOOTING
Below are some common faults, their probable causes and suggested remedy.
Starter will not crank when turning
the key to RUN position.
Bad connections on starter cables
Check connections and tighten
Replace 5A strip fuse, after
checking for eventual reversal of
battery polarity.
Recharge or replace battery
Electronic box or relay failure
Apply to Authorized Service
Centers
Starter cranks but engine won’t start
when turning the key in RUN
position.
Bad H.T. coil connections or coil
failure.
Electronic box or ignition failure.
Apply to Authorized Service
Centers
Malfunction on induction system.
Check status and connection on
fuel pipe
Replace gaskets and membranes
on carburettor.
Check reed petals. Replace if
necessary.
Engine starts but it stops after a few
seconds when turning the key in
RUN position
Electronic box or starter failure
Apply to Authorized Service
Centers
Bad carburettor adjustment
( screw L)
Check carburetor adjustment (see
sect. 3.3)
Check fuel flow lines and inlet filter
The starter cranks also after the
engine is running.
Apply to Authorized Service
Centers
Bad carb. adjustement ( screw I)
Check carburettor adjustment
(see sect. 3.3)
Drop in engine performance
Bad carburetor adjustment
Check carburettor adjustment (see
sect. 3.3)
Check fuel flow lines and inlet filter
Check clutch (see sect. 4.1)
Clutch engages at too high RPM
Excessive wear of friction material
Check clutch (see sect. 4.1)
Oil or grease into the clutch drum
Cleaning / Replace clutch hub
Check and replace if necessary
Damaged insulating sleeve