Owner`s manual

AJP PR4 User’s manual - 3
rd
Edition Page
33
Note: in case of clutch cable
replacement, certify that new cable is
placed at the right position. If that does
not happen, it may interfere with front
fender, block handlebar/steering
movement and cause an accident.
By technical reasons we highly
recommend that clutch cable
replacement should be done only at a
AJP dealer.
SPARK PLUG
Removal
Clean around spark plug base with
compressed air.
Disconnect spark plug cap (1) and
remove spark plug with an appropriate
16mm key.
Inspection
Place spark plug cap and make contact
with spark plug thread and engine
head. Actuate starter engine or kick
start pedal to test spark plug spark.
Inspect visually spark plug.
Check following and replace if
necessary:
• Ceramic insulator broken or cracked;
• Worn electrodes;
• Electrode color:
o Slightly dark means good
condition;
o Too much bright means bad
functioning or lean air fuel ratio
o Wet or with coal deposit means
rich air fuel ratio.
Recommended spark plug
Standard: LG D8TC
Equivalente: Champion A8YC ou NGK
DR8ES
Adjustment
Measure spark plug gap with a
feeler gauge (1).
Adjust the gap by bending side
electrode carefully.
SPARK PLUG GAP: 0,6 – 0,7 mm
1
1