8 DIAGNOSIS
8.2 The engine does not run normally
The reason can be:
6 One of the reasons listed in sec. 8.1
6 Carbon deposit at the piston and cylinder
head, at the cylinder exhaust port, in the
exhaust pipe;
6 The spark plug or the cylinder head or the
induction manifold are not tightened.
8.3 Fouling at the electrodes
The reason can be a too poor carburation:
6 Clean the carburetor, the cylinder exhaust
port, the exhaust pipe;
6 Tighten the spark plug,the cylinder head, the
induction manifold;
6 Make sure that fuel is a mixture of regular
fuel with 2% oil.
8.4 Jamming of the expanding pulley
Disassemble and clean.
8.5 Jamming of the reduction unit
Replace the V-belt.
8.1 The engine does not start
6 Check if the fuel is not reaching the carburetor
because:
- The tank is low on fuel: place fuel tap in
reserve position (lever pointing up) and
then refuel;
- The fuel tap is closed;
- The fuel line is clogged (by an air bubble,
for instance);
- The carburetor or air filter is dirty.
6 Check the ignition:
- With the spark plug removed and resting
with its metal portion lying on the fins of
the cylinder, check whether there is a
spark between the electrodes by
depressing the kick starter manually.
- Check whether the spark plug is dirty (in
this case clean it thoroughly) and check
whether the gap of the electrodes is
correct (0.3 0.4 mm );
- Check the spark plug cable and replace
if it is broken or poorly insulated;
- Check the electric wiring (see diagram
fig. 22). Make sure that the ground
connection between the engine and the
frame is efficient.
÷
A Orange
B White
C Blue
G Yellow
H Gray
M Brown
N Black
P Pink
R Red
V Green
X Yell o w -
Green
Z Violet
HRS Horn Switch
BLS Blinker Light Switch
ESS Engine Stop Switch
SLS Stop Light Switch
FRB Front Right Blinker
STB Stabilizer
COL Coil (2003)
MGN Magnetowheel (2002)
LGS Light Switch
HRN Horn
HLT Head Light
FLB Front Left Blinker
BLK Blinking Device
RLB Rear Light Blinker
RRB Rear Light Blinker
HRS
ESS
SLS
BLS
HRN
HLT
FLB FRB
STB
COL
MGN
RLB RRB
TLT
SLT
LGS
C
A
V
PZ R
XRG
N
M
H B
Fig. 22EU
BLSSLS LGS
HSS
HRN
HLT
ESS
FLB
FRB
STB
COL
MGN
BLK
RLB
RRB
TLT
SLT
Z C A R HG V X
N B P
Fig. 22US
