Yamaha YZF-R125 Service Manual: Assembling the water pump
1. Install:
- Water pump seal "1"
(into the water pump housing "2")
| CAUTION: Never lubricate the water pump seal surface with oil or grease. |
NOTE:
- Install the water pump seal with the special tools.
- Install the water pump seal with the special
tools to the specified depth as shown in the illustration.
A. Push down
3. Mechanical seal installer
4. Middle driven shaft bearing driver
a. 0-0.5 mm (0-0.02 in)
2. Lubricate:
- Water pump seal lip
3. Install:
- Water pump housing gasket "1"
- Water pump housing plate "2"
- Impeller shaft
- Impeller shaft retainer "3"
NOTE:
- Before installing the impeller shaft retainer, lubricate the slit on the impeller shaft end with a thin coat of lithium-soap-based grease.
- Install the water pump housing gasket, water pump housing plate, and impeller shaft retainer as shown in the illustration.
- After installation, check that the impeller shaft rotates smoothly.
Checking the water pump
1. Check:
Water pump housing cover
Water pump housing
Cracks/damage Replace.
Impeller shaft
Cracks/damage/wear Replace.
Bearing
Rough movement Replace.
Radiator outlet hose
Crac ...
Installing the water pump
1. Install:
Water pump assembly "1"
O-rings "2"
NOTE:
Align the projection "a" on the impeller shaft
with the slit "b" on the camshaft sprocket bolt.
Lubricate the O-rings with a thi ...
Other materials:
Shifting
Shifting
Shift pedal
Neutral position
Shifting gears lets you control the
amount of engine power available for
starting off, accelerating, climbing hills,
etc.
The gear positions are shown in the illustration.
TIP
To shift the transmission into the neutral
position, press the ...
Removing and installing the cowlings and panel
Removing and installing the cowlings and panel
Cowling A
Cowling B
Cowling C
Cowling D
Panel A
The cowlings and panel shown need to
be removed to perform some of the
maintenance jobs described in this
chapter. Refer to this section each time
a cowling or panel needs to be ...