Yamaha YZF-R125 Service Manual: 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.
2. Install:
- Throttle body joint
NOTE:
Align the projection "a" on the throttle body joint with the slot "b" in the intake manifold.
3. Install:
- Throttle body
NOTE:
Align the projection "a" on the throttle body with the slot "b" in the throttle body joint.
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:
Installing the generator
1. Install:
Woodruff key
Generator rotor
Washer
Generator rotor nut
NOTE:
Clean the tapered portion of the crankshaft and
the generator rotor hub.
When installing the generator rotor, make sure
the woodruff key is properly sealed in the keyway
of the crankshaft.
2. Tighte ...
Cable routing
Front brake light switch lead
Right handlebar switch lead
Throttle cable
Main switch
Clutch cable
Clutch switch lead
Left handlebar switch lead
Sub-wire harness
Horn
Speed sensor lead
Front brake hose
Main switch lead
Left headlight assembly lead
Right headlight asse ...
Installing the shift shaft
1. Install:
Stopper lever "1"
Stopper lever spring "2"
NOTE:
Install the stopper lever spring as shown in the
illustration.
Hook the ends of the stopper lever spring onto
the stopper lever and the crankcase boss "3".
Mesh the stopper lever with the shift drum segment
assembly. ...