31
Spark Plug Inspection
Have the spark plug checked by an authorized SYM dealer. If the electrodes are contaminated with heavy
deposits or the insulator is damaged, replace with a new one.
Measure the spark plug gap with a wire type
feeler gauge. The gap should be within 0.7 ~ 0.8 or 0.8 ~ 0.9 mm. If adjustment is needed, bend the side
electrode
○
A
carefully.
Recommended spark plug: NGK CR8E (CRUiSYM
α 300), gap: 0.7 ~ 0.8 mm
Recommended spark plug: NGK CPR8EA-9 (CRUiSYM
α 125), gap: 0.8 ~0.9 mm
WARNING:
Beware of the engine heat when inspecting the spark plug.
Air Cleaner / V-belt Air Cleaner Inspection
A dirty air cleaner element can reduce the engine performance and increase fuel consumption.
Inspect the air cleaner by following the below instructions.
Remove the screws
○
B
and remove the air box cover
○
A
.
Remove the screws
○
C
to take out the air cleaner element.
If the air cleaner element
○
D
is damaged or too dirty, have it changed by an authorized SYM dealer.
To install the element, do in the reverse order of the above instructions.
Remove the air box drain hose
○
E
, drain the hose if needed.
Remove the bolts
○
F
and take out the left crankcase cover
○
G
.
If the V-belt air cleaner element
○
H
is damaged or too dirty, have it changed by an authorized SYM
dealer.
NOTE :
CRUiSYM
α 125 does not equip with v- belt air cleaner.
Make sure to keep the dust from entering the inlet pipe during inspection.
Use SYM genuine air filter element to ensure the engine performance.
○
A
○
B
○
B
○
D
○
C
○
H
○
E
○
F
○
G
○
C
Spark plug gap
○
A
