Yamaha YZF-R125 Service Manual: Circuit diagram

Fuel pump system

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Troubleshooting

If the fuel pump fails to operate. NOTE: Before troubleshooting, remove the following part(s): 1. Rider seat 2. Fuel tank ...

Other materials:

Replacing the air filter element and cleaning the check hose
The air filter element should be replaced at the intervals specified in the periodic maintenance and lubrication chart. Have a Yamaha dealer replace the air filter element more frequently if you are riding in unusually wet or dusty areas. In addition, the air filter check hose must be ...

Adjusting the brake pedal free play
Adjusting the brake pedal free play Brake pedal free play The brake pedal free play should measure 3.5-4.5 mm (0.14-0.18 in) as shown. Periodically check the brake pedal free play and, if necessary, have a Yamaha dealer adjust it. WARNING An incorrect brake pedal free play in ...

Replacing an auxiliary light bulb
This model is equipped with two auxiliary lights. If an auxiliary light bulb burns out, replace it as follows. Remove the socket (together with the bulb) by pulling it out. Auxiliary light bulb Remove the burnt out bulb by pulling it out. Insert a new bulb into t ...