The rings should fit perfectly parallel to groove surfaces.
If not, replace the piston and all the piston rings.
Piston Ring/Groove Clearance Standard:
Top 0.03 
0.07 mm (0.0012
0.0028 in.)
Second 0.03 
0.06 mm (0.0012
0.0024 in.)
Service Limit:
Top 0.17 mm (0.0067 in.)
Second 0.16 mm (0.0063 in.)
Piston Wear Inspection
Piston Ring Groove Width InspectionAir Intake Duct Removal
Remove:
Upper Fairing Assembly (see Upper Fairing Assembly
Removal in the Frame chapter)
Meter Bracket (see Meter Unit Removal/Installation in
the Electrical System chapter)
Immobilizer Amplifier [A] (Equipped Models) (see Immobilizer
System Parts Replacement in the Electrical System
...
Rear Shock Absorber Installation
Replace the rear shock absorber nuts and tie-rod nuts
with new ones.
Tighten:
Torque - Rear Shock Absorber Nuts: 34 N·m (3.5 kgf·m, 25
ft·lb)
Tie-Rod Nuts: 34 N·m (3.5 kgf·m, 25 ft·lb)
When installing the rear shock absorber bracket [A], install
it so that the recess side [B] ...
Periodic Maintenance Chart
K : Should be serviced by an authorized Kawasaki dealer.
* : For higher odometer readings, repeat at the frequency interval established
here.
# : Service more frequently when operating in severe conditions: dusty, wet,
muddy,
high speed, or frequent starting/stopping.
(e): Emission Rel ...