Kawasaki Ninja Service Manual: Shift Fork/Gear Groove Wear Inspection

Kawasaki Ninja Service Manual / Crankshaft/Transmission / Transmission / Shift Fork/Gear Groove Wear Inspection

If the thickness of a shift fork ear is less than the service limit, the shift fork must be replaced.

Shift Fork Ear Thickness Standard: 5.7 6.0 mm (0.224
0.236 in.)
Service Limit: 5.6 mm (0.220 in.)

If the gear groove is worn over the service limit, the gear must be replaced.

Shift Fork/Gear Groove Wear Inspection


Gear Groove Width Standard: 6.05 6.15 mm (0.238
0.242 in.)


Service Limit: 6.25 mm (0.246 in.)

Shift Fork Bending Inspection
Visually inspect the shift forks, and replace any fork that is bent. A bent fork could cause difficulty in shifting, or allow the transmission to jump out of gear when under power. 90В° [A] ...

Shift Fork Guide Pin/Drum Groove Wear Inspection
Measure the diameter of each shift fork guide pin [A], and measure the width [B] of each shift drum groove. If the guide pin on any shift fork is less than the service limit, the fork must be ...

Other materials:

Piston Removal
Remove: Crankshaft (see Crankshaft Removal) Remove the piston together with the connecting rod to the cylinder head side. NOTICE Discard the connecting rod bolts and nuts. To prevent damage to the crankpin surfaces, do not allow the connecting rod bolts to bump against the crankpins. ...

Brake Fluid Level Inspection
Check that the brake fluid level in the front brake reservoir [A] is above the lower level line [B]. NOTE Hold the reservoir horizontal by turning the handlebar when checking brake fluid level. If the fluid level is lower than the lower level line, fill the reservoir to the upper lev ...

Crankshaft Side Clearance Inspection
Insert a thickness gauge [A] between the thrust washer [B] on the crankcase and the crank web [C] at the #3 main journal to determine clearance. If the clearance exceeds the service limit, replace the thrust washers as a set and check the width of the crankshaft #3 main journal. Cra ...