Kawasaki Ninja Service Manual: Piston Wear Inspection

Kawasaki Ninja Service Manual / Crankshaft/Transmission / Pistons / Piston Wear Inspection

Measure the outside diameter [A] of each piston 5 mm (0.20 in.) [B] up from the bottom of the piston at a right angle to the direction of the piston pin.

If the measurement is under service limit, replace the piston.

Piston Wear Inspection

Piston Diameter

Standard: 75.959 75.974 mm
(2.9905 2.9911 in.)
Service Limit: 75.81 mm (2.985 in.)

Cylinder (Upper Crankcase) Wear Inspection

Split the crankcase (see Crankcase Splitting). Remove the pistons (see Piston Removal). Assemble the cylinder (upper crankcase) [A], the cylinder head [B] and the cylinder head gasket [C]. ...

Piston Ring, Piston Ring Groove Wear Inspection

Check for uneven groove wear by inspecting the ring seating. The rings should fit perfectly parallel to groove surfaces. If not, replace the piston and all the piston rings. With the pist ...

Other materials:

Connecting Rod Installation
NOTICE To minimize vibration, the connecting rods should have the same weight mark. Big End Cap [A] Connecting Rod [B] Weight Mark, Alphabet [C] Diameter Mark [D] (“” or No Mark) NOTICE If the connecting rods, big end bearing inserts, or crankshaft are replaced with new ones, select ...

Subthrottle Sensor Output Voltage Inspection
Measure the output voltage at the subthrottle sensor in the same way as input voltage inspection, note the following. Disconnect the subthrottle sensor connector and connect the setting adapter [A] between these connectors. Special Tool - Throttle Sensor Setting Adapter: 57001 -1538 ...

Periodic Maintenance Chart
The scheduled maintenance must be done in accordance with this chart to keep the motorcycle in good running condition. The initial maintenance is vitally important and must not be neglected. Periodic Inspection #: Service more frequently when operating in severe conditions; dusty, ...