Yamaha YZF-R125 Service Manual: VInstalling the handlebars

Yamaha YZF-R125 Service Manual / Chassis / Handlebars / VInstalling the handlebars

1. Stand the vehicle on a level surface.

WARNING

Securely support the vehicle so that there is no danger of it falling over.

2. Install:

  • Front brake master cylinder "1"
  • Front brake master cylinder holder "2"
  • Front brake light switch

NOTE:

Install the brake master cylinder holder with the arrow mark "a" pointing forward.

  • Align the mating surfaces of the brake master cylinder holder with the punch mark "b" on the handlebar.
  • First, tighten the front bolt, then the rear bolt.

VInstalling the handlebars


3. Install:

  • Front brake light switch

NOTE:

Before fully installing the front brake light switch, be sure to completely install the rubber cover over the switch. Also, be sure not to twist the front brake light switch lead when screwing in the switch.

4. Install:

  • Throttle grip "1"
  • Throttle cable
  • Right handlebar switch "2"

NOTE:

  • Be sure to position the washer between the throttle grip and the right handlebar switch.
  • Lubricate the end of the throttle cable and the inside of the throttle grip with a thin coat of the lithium-soap-based grease, and then install the throttle grip onto the right handlebar.
  • Route the throttle cable through the slot in the throttle grip, and then install the cable.
  • Align the projection "a" on the right handlebar switch with the hole "b" on the right handlebar.

VInstalling the handlebars


5. Install:

  • Right grip end "1"

NOTE:

There should be 1-3 mm (0.04-0.12 in) of clearance "a" between the throttle grip and the right grip end.

VInstalling the handlebars


6. Install:

  • Clutch lever holder "1"

NOTE:

Align the mating surfaces of the clutch lever holder with the punch mark "a" on the left handlebar.

VInstalling the handlebars


7. Install:

  • Clutch lever
  • Clutch switch "1"

NOTE:

Align the projection "a" on the clutch switch with the slit "b" in the clutch lever holder.

VInstalling the handlebars


8. Connect:

  • Clutch cable

NOTE:

Lubricate the end of the clutch cable with a thin coat of lithium-soap-based grease.

9. Install:

  • Left handlebar switch "1"

NOTE:

Align the projection "a" on the left handlebar switch with the hole "b" in the left handlebar.

VInstalling the handlebars


10.Connect:

  • Clutch switch coupler

11.Install:

  • Handlebar grip "1"
  • Left grip end "2"

a. Apply a thin coat of rubber adhesive onto the end of the left handlebar.

b. Slide the handlebar grip over the end of the left handlebar.

c. Wipe off any excess rubber adhesive with a clean rag.

WARNING

Do not touch the handlebar grip until the rubber adhesive has fully dried.

NOTE:

There should be 3 mm (0.12 in) of clearance "a" between the handlebar grip and the grip end.

VInstalling the handlebars


12.Check:

  • Cable routing

NOTE:

Make sure the main switch lead, brake hose, throttle cable, clutch cable, and handlebar switch leads are routed properly. Refer to "CABLE ROUTING" on page 2-33.

13.Adjust:

  • Clutch lever free play Refer to "ADJUSTING THE CLUTCH CABLE FREE PLAY" on page 3-12.

14.Adjust:

  • Throttle cable free play Refer to "ADJUSTING THE THROTTLE CABLE FREE PLAY" on page 3-6.

    Checking the handlebars
    1. Check: Left handlebar Right handlebar Bends/cracks/damage → Replace. WARNINGDo not attempt to straighten a bent handlebar as this may dangerously weaken it. ...

    Front fork
    ...

    Other materials:

    Incorrect engine idling speed
    Engine 1. Cylinder and cylinder head Incorrect valve clearance Damaged valve train components 2. Air filter Clogged air filter element Fuel system 1. Throttle body Damaged or loose throttle body joint Improperly adjusted engine idling speed (idle adjusting screw) Improper ...

    Checking and replacing the rear wheel sprocket
    1. Check: Rear wheel sprocket More than 1/4 tooth "a" wear Replace the rear wheel sprocket. Bent teeth Replace the rear wheel sprocket. b. Correct 1. Drive chain roller 2. Rear wheel sprocket 2. Replace: Rear wheel sprocket a. Remove the self-locking nuts and the ...

    Adjusting the throttle cable free play
    Throttle cable free play The throttle cable free play should measure 3.0-5.0 mm (0.12-0.20 in) at the throttle grip. Periodically check the throttle cable free play and, if necessary, adjust it as follows. TIP The engine idling speed must be correctly adjusted before checkin ...

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