Kawasaki Ninja Service Manual: Piston Wear Inspection

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

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:

Storage of Removed Parts
After all the parts including subassembly parts have been cleaned, store the parts in a clean area. Put a clean cloth or plastic sheet over the parts to protect from any foreign materials that may collect before re-assembly. Inspection Reuse of worn or damaged parts may lead to serious acci ...

Power mode
The Power mode determines the engine power output characteristics and has three settings. The S-KTRC and the Power mode can be set separately. By combining each setting, the rider can get various power feelings to suit riding conditions or individual preference. Mode F (Full Power): The h ...

Starter Motor Assembly
Install the positive brush assy [A] and the starter motor terminal [B] as shown in the figure. Replace the O-ring [C] with a new one, and install it. Install: Brush Springs [A] Negative Brush Assy [B] Turn the stopper side [C] to inside. Tighten: Torque - Brush Holder S ...