Yamaha YZF-R125 Service Manual: Assembling the crankcase

Yamaha YZF-R125 Service Manual / Engine / Crankcase / Assembling the crankcase

1. Thoroughly clean all the gasket mating surfaces and crankcase mating surfaces.

2. Apply:

  • Sealant (onto the crankcase mating surfaces)

NOTE:

Do not allow any sealant to come into contact with the oil gallery.

Assembling the crankcase


3. Install:

  • Right crankcase

NOTE:

Turn the shift drum segment "1" to the position shown in the illustration. In this position, the shift drum segment teeth will not contact the crankcase during crankcase installation.

Assembling the crankcase


4. Install:

  • Crankcase bolts

NOTE:

Tighten each bolt 1/4 of a turn at a time, in stages and in the proper sequence as shown.

  • M6 × 70 mm : "7-9", "11"
  • M6 × 55 mm : "14", "15"
  • M6 × 45 mm : "1-5", "10"

Assembling the crankcase


A. Left crankcase

B. Right crankcase

    Installing the bearing retainer
    1. Install: Bearing retainer "1" NOTE: Install the bearing retainer "1" with its "OUT" mark "a" facing outward. Apply locking agent (LOCTITE) to the threads of the bearing retainer bo ...

    Crankshaft
    ...

    Other materials:

    Installing the rear brake caliper
    1. Install: Brake caliper "1" Copper washers Brake hose "2" Union bolt "3" WARNINGProper brake hose routing is essential to insure safe vehicle operation. Refer to "CABLE ROUTING" on page 2-33. CAUTION:When installing the brake hose onto the brake calip ...

    Cleaning the air filter element
    NOTE: There is a check hose "1" at the bottom of the air filter case. If dust and/or water collects in this hose, clean the air filter element and air filter case. 1. Remove: Rider seat Refer to "GENERAL CHASSIS" on page 4-1. 2. Remove: Fuel tank Refer to "FUEL TANK" on page ...

    Checking the rear wheel
    1. Check: Rear wheel axle Rear wheel Wheel bearings Oil seals Refer to "CHECKING THE FRONT WHEEL" on page 4-8. 2. Check: Tire Rear wheel Damage/wear → Replace. Refer to "CHECKING THE TIRES" on page 3-23 and "CHECKING THE WHEELS" on page 3-25. 3. Measure: Radi ...

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