Yamaha YZF-R125 Service Manual: 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 use any caustic carburetor cleaning solution.
b. Blow out all of the passages with compressed air.
Removing the throttle body
1. Extract the fuel in the fuel tank through the
fuel tank filler hole with a pump.
2. Disconnect:
Fuel hose
WARNINGCover the fuel hose connections with a
cloth
when disconnecti ...
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 ...
Other materials:
Adjusting the brake pedal free play
Adjusting the brake pedal free play
Brake pedal free play
The brake pedal free play should measure
3.5-4.5 mm (0.14-0.18 in) as
shown. Periodically check the brake
pedal free play and, if necessary, have
a Yamaha dealer adjust it.
WARNING
An incorrect brake pedal free play
in ...
Assembling the crankcase
1. Thoroughly clean all the gasket mating surfaces
and crankcase mating surfaces.
2. Apply:
Sealant
(onto the crankcase mating surfaces)
NOTE:
Do not allow any sealant to come into contact
with the oil gallery.
3. Install:
Right crankcase
NOTE:
Turn the shift drum segment ...
Installing the relay arm
1. Lubricate:
Spacers
Bearings
Oil seals
Bolts (unthreaded shaft portion only)
2. Install:
Bearing "1"
(to the relay arm)
Oil seal "2"
(to the relay arm)
3. Rear shock absorber assembly
4. Relay arm
5. Connecting arm
A. Left side
B. Right side ...