NOTE
1. The engine speed is more than 6 000 r/min (rpm).
2. The throttle opening is more than 12В°.
Fuel Pump Lead Connector [A] Extension Tube [B]
Special Tool - Extension Tube: 57001-1578

Primary Fuel Injector [B] Secondary Fuel Injector [C]
A sound scope can also be used.
The click interval becomes shorter as the engine speed rises.

If all the fuel injectors click at a regular intervals, the fuel injectors are normal.
If any fuel injector does not click, check the fuel injector resistance (see Fuel Injector Resistance Inspection).

Fuel InjectorsCoupling Bearing Removal
Remove:
Coupling
Grease Seal
Circlip [A]
Special Tool - Inside Circlip Pliers: 57001-143
Remove the bearing [A] by tapping from the wheel side.
Special Tool - Bearing Driver Set [B]: 57001-1129
...
Spring Preload Adjustment
Remove the rear shock absorber from the frame (see
Rear Shock Absorber Removal).
Loosen the locknut and turn out the adjusting nut to free
the spring.
Special Tools - Hook Wrench T=3.2 R37: 57001-1539
Hook Wrench R=35: 57001-1580
To adjust the spring preload, turn in the adjusting n ...
Piston Ring Thickness Inspection
Measure the piston ring thickness.
Use the micrometer to measure at several points around
the ring.
Piston Ring Thickness
Standard:
Top [A] 0.77 0.79 mm (0.0303
0.0311 in.)
Second [B] 0.78 0.79 mm
(0.0307 0.0311 in.)
Service Limit:
Top 0.70 mm (0.0276 in.)
Second 0.71 mm (0.0280 ...