Yamaha YZF-R125 Service Manual: Engine specifications

Specifications

Chassis specifications

Other materials:

Checking the piston pin
1. Check: Piston pin Blue discoloration/grooves  Replace the piston pin and then check the lubrication system. 2. Measure: Piston pin outside diameter "a" Out of specification Replace the piston pin. 3. Measure: Piston pin bore diameter "b" Out of specifica ...

Shifting
Shifting Shift pedal Neutral position Shifting gears lets you control the amount of engine power available for starting off, accelerating, climbing hills, etc. The gear positions are shown in the illustration. TIP To shift the transmission into the neutral position, press the ...

Troubleshooting
Any of the following fail to light: turn signal lights, brake light or indicator lights. The horn fails to sound. The fuel gauge fails to operate. The speedometer fails to operate. NOTE: Before troubleshooting, remove the following part(s): 1. Seats 2. Fuel tank 3. Left upper ...