Yamaha YZF-R125 Service Manual: Installing the engine

1. Install:

  • Engine "1"
  • Engine mounting bolt (rear lower side) "2"
  • Engine mounting nut (rear lower side) "3"
  • Engine mounting bolt (rear upper side) "4"
  • Engine mounting nut (rear upper side) "5"
  • Engine mounting bolt (front side) "6"
  • Engine mounting nut (front side) "7"

NOTE:

Do not fully tighten the bolts and nuts.

Installing the engine


2. Tighten:

  • Engine mounting nut (rear upper side)

  • Engine mounting nut (rear lower side)

  • Engine mounting nut (front side)

    Engine removal
    ...

    Installing the shift arm
    1. Install: Shift arm "1" NOTE: Make sure that the distance "a" between the center of the left rider footrest "2" and the center of the shift pedal "3" is within specification. ...

    Other materials:

    Checking the radiator
    1. Check: Radiator fins obstruction clean. Apply compressed air to the rear of the radiator. Damage  repair or replace. NOTE: Straighten any flattened fins with a thin, flat-head screwdriver. 2. Check: Radiator hoses Cracks/damage Replace. 3. Measure: Radiator cap ...

    Installing the primary drive gear and balancer gears
    1. Install: Balancer driven gear "1" Lock washer Balancer drive gear "2" Primary drive gear Washer "3" Balancer driven gear nut Primary drive gear nut NOTE: Align the punch mark "a" in the balancer drive gear "2" with the punch mark "b" in the balancer driven gear "1". ...

    Removing the lower bracket
    1. Stand the vehicle on a level surface. WARNINGSecurely support the vehicle so that there is no danger of it falling over. 2. Remove: Upper ring nut Rubber washer Lower ring nut "1" Lower bracket NOTE: Remove the lower ring nut with the steering nut wrench "2". ...

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