Yamaha YZF-R125 Service Manual: Cylinder head

Installing the exhaust assembly

1. Install: Exhaust assembly "1" Exhaust pipe nuts "2" Exhaust assembly bolts "3" "4" NOTE: Do not fully tighten the nuts and bolts. 2. Tighten: Exhaust pipe nuts "2" Exhaust assem ...

Removing the cylinder head

1. Align: "I" mark "a" on the generator rotor (with the stationary pointer "b" on the generator cover) a. Turn the crankshaft counterclockwise. b. When the piston is at TDC on the compre ...

Other materials:

Checking the engine oil level
1. Stand the vehicle on a level surface. NOTE: Place the vehicle on a suitable stand. Make sure the vehicle is upright. 2. Start the engine, warm it up for several minutes, and then turn it off. 3. Check: Engine oil level The engine oil level should be between the minimum level ...

Installing the rear wheel (disc)
1. Install: Rear brake disc NOTE: Tighten the brake disc bolts in stages and in a crisscross pattern. 2. Check: Rear brake disc Refer to "CHECKING THE REAR BRAKE DISC" on page 4-33. 3. Lubricate: Rear wheel axle Contact surface of rear wheel hub and rear wheel Whee ...

Checking the front brake disc
1. Remove: Front wheel Refer to "FRONT WHEEL" on page 4-6. 2. Check: Brake disc Damage/galling Replace. 3. Measure: Brake disc deflection Out of specification Correct the brake disc deflection or replace the brake disc. a. Place the vehicle on a suitable stand ...