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 fuses
    The following procedure applies to all of the fuses. CAUTION:To avoid a short circuit, always turn the main switch to "OFF" when checking or replacing a fuse. 1. Remove: Rider seat Refer to "GENERAL CHASSIS" on page 4-1. 2. Check: Fuse a. Connect the pocket te ...

    Intake air pressure sensor
    1. Check: Intake air pressure sensor output voltage Out of specification Replace the throttle body. a. Connect the pocket tester (DC 20 V) to the throttle body sensor assembly coupler as shown. Positive tester probe pink/white "1" Negative tester probe gray/black "2" ...

    Installing the crankshaft
    1. Install: Crankshaft "1" NOTE: Install the crankshaft with the crankshaft installer pot "2", crankshaft installer bolt "3", adapter (M12) "4" and spacer (crankshaft installer) "5". CAUTION:To avoid scratching the crankshaft and to ease the installation procedure, lubricate ...

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