Yamaha YZF-R125 Service Manual: Checking the clutch boss

Yamaha YZF-R125 Service Manual / Engine / Clutch / Checking the clutch boss

1. Check:

Clutch boss splines Damage/pitting/wear Replace the
clutch boss.

NOTE:

Pitting on the clutch boss splines will cause erratic clutch operation.

Checking the clutch boss


Checking the pressure plate

1. Check:

Pressure plate Cracks/damage Replace.


Checking the clutch push lever and short clutch push rod

1. Check:

  • Clutch push lever
  • Short clutch push rod Damage/wear Replace the
    defective part(s).
    Checking the clutch housing
    1. Check: Clutch housing dogs "1" Damage/pitting/wear  Deburr the clutch housing dogs or replace the clutch housing. NOTE: Pitting on the clutch housing dogs will cause erratic cl ...

    Checking the primary drive gear
    1. Remove: Primary drive gear Refer to "BALANCER GEAR" on page 5-53. 2. Check: Primary drive gear Damage/wear  Replace the primary drive gear and clutch housing as a set. ...

    Other materials:

    Separating the crankcase
    1. Remove: Crankcase bolts NOTE: Loosen each bolt 1/4 of a turn at a time, in stages and in the proper sequence as shown. A. Right crankcase B. Left crankcase 2. Turn: Shift drum segment NOTE: Turn the shift drum segment "1" to the position shown in the illustration. In this ...

    Checking the speed sensor
    1. Check: Speed sensor output voltage Out of specification → Replace. a. Connect the pocket tester (DC 20 V) to the speed sensor coupler (wire harness end) as shown. Positive tester probe gray "1" Negative tester probe gray/black "2" b. Set the main switch to "ON". c. ...

    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". ...

    2019 Copyright www.yam-r125.net |