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:

    Installing the piston and cylinder
    1. Install: Top ring "1" 2nd ring "2" Oil ring expander "3" Lower oil ring rail "4" Upper oil ring rail "5" NOTE: Be sure to install the piston rings so that the manufacturer marks or numbers face up. 2. Install: Piston "1" Piston pin "2" Piston pin clips "3" NOTE: ...

    Troubleshooting
    Any of the following fail to light: turn signal lights, brake light or indicator lights. The horn fails to sound. The fuel gauge fails to operate. The speedometer fails to operate. NOTE: Before troubleshooting, remove the following part(s): 1. Seats 2. Fuel tank 3. Left upper ...

    Handlebar switches
    Left Left 1. Pass switch "PASS" 2. Dimmer switch "/" 3. Turn signal switch "/" 4. Horn switch"" Right Right Engine stop switch "/" Start switch"" Pass switch "PASS" Press this switch to flash the headlight. Dimmer switch "/" Set this switch to"" for the high beam an ...

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