Chapter 3 – Maintenance
Service manual AJP PR3/PR4 3 - 16
Bigger adjustments are made in the
adjuster on the cable holder on the
engine
.
For the regulation of the cable in the cable
holder on the engine you must:
Tighten the upper adjuster to the end and
turn 1 back to back;
Loosen the lower fixing nuts (1) and turn
the adjuster (2);
Tighten the fixing nuts;
Check the clutch operation.
Note:
The cable adjuster on the clutch lever
must always have a margin of maneuver to
maintain the proper clearance, considering
that during the functioning and the wear of
the clutch plates the clearance of the lever
decrease.
SPARK PLUG
Removal
Note:
Before removing the spark plug, clean
thoroughly around it, using compressed air,
and make sure that no foreign material is
introduced into the combustion chamber.
Disconnect the spark plug cap (1) checking
their condition and the cable from the ignition
coil that connects it, if any of this is not in
good condition it should be replaced.
Remove the spark plug with an appropriate
18mm wrench.
Inspection
Test the spark plug on the existence of spark.
Visually inspect the spark plug.
Check the following elements and replace if
necessary:
Ceramic insulator broken or cracked;
Worn out electrodes;
Color of electrodes:
Slightly darkened means good
condition;
Too
brightness
indicate
malfunction of the ignition or lean
mixture;
