Yamaha YZF-R125 Service Manual: Installing the throttle body

Yamaha YZF-R125 Service Manual / Fuel system / Throttle body / Installing the throttle body

1. Install:

  • Throttle body joint clamps

NOTE:

Align the projections "a" on the throttle body joint with the slot "b" in each throttle body joint clamp.

Installing the throttle body


2. Install:

  • Throttle body joint

NOTE:

Align the projection "a" on the throttle body joint with the slot "b" in the intake manifold.

Installing the throttle body


3. Install:

  • Throttle body

NOTE:

Align the projection "a" on the throttle body with the slot "b" in the throttle body joint.

Installing the throttle body


4. Adjust:

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

5. Connect:

  • Fuel hose
CAUTION:

When installing the fuel hose, make sure that it is securely connected, and that the fuel hose connector cover on the fuel hose is in the correct position, otherwise the fuel hose will not be properly installed.

NOTE:

  • Install the fuel hose securely onto the fuel pump until a distinct "click" is heard.
  • To install the fuel hose onto the fuel pump, slide the fuel hose connector cover "1" on the end of the hose in the direction of the arrow shown.

    Checking the throttle body
    1. Check: Throttle body Cracks/damage Replace the throttle body. 2. Check: Fuel passages Obstruction Clean. a. Wash the throttle body in a petroleum-based solvent. Do not us ...

    Air induction system
    1. Air induction system hose (air filter case to reed valve assembly) 2. Air induction system reed valve assembly 3. Air induction system hose (reed valve assembly to exhaust pipe) Checki ...

    Other materials:

    Checking the valves and valve guides
    The following procedure applies to all of the valves and valve guides. 1. Measure: Valve-stem-to-valve-guide clearance Out of specification Replace the valve guide. Valve-stem-to-valve-guide clearance = Valve guide inside diameter "a" - Valve stem diameter "b" 2. Replace: ...

    Checking the brake fluid level
    Front brake Front brake Minimum level mark Rear brake Rear brake Minimum level mark Insufficient brake fluid may allow air to enter the brake system, possibly causing it to become ineffective. Before riding, check that the brake fluid is above the minimum level mark an ...

    Introduction
    WARNINGDisc brake components rarely require disassembly. Therefore, always follow these preventive measures: Never disassemble brake components unless absolutely necessary. If any connection on the hydraulic brake system is disconnected, the entire brake sy ...

    2020 Copyright www.yam-r125.net |