Yamaha YZF-R125 Owners Manual: Brake pedal

Brake lever

Brake lever Brake lever The brake lever is located at the right handlebar grip. To apply the front brake, pull the lever toward the handlebar grip. ...

Fuel tank cap

Fuel tank cap Fuel tank cap lock cover Unlock. To remove the fuel tank cap Open the fuel tank cap lock cover. Insert the key into the lock and turn it 1/4 turn counterclockwise. ...

Other materials:

Checking the drive chain
1. Measure: 15-link section "a" of the drive chain Out of specification Replace the drive chain. a. Measure the length "a" between the inner sides of the pins and the length "b" between the outer sides of the pins on a 15-link section of the drive chain as shown in the illustration. ...

Checking the shift drum assembly
1. Check: Shift drum groove Damage/scratches/wear Replace the shift drum assembly. Shift drum segment "1" Damage/wear  Replace the shift drum assembly. Shift drum bearing "2" Damage/pitting Replace the shift drum assembly. ...

Removing the fuel tank
1. Extract the fuel in the fuel tank through the fuel tank filler hole with a pump. 2. Remove: Fuel hose connector cover "1" 3. Disconnect: Fuel hose "2" CAUTION: Be sure to disconnect the fuel hose by hand. Do not forcefully disconnect the hose with tools. A ...