Yamaha YZF-R125 Service Manual: Installing the drive chain
1. Lubricate:
- Drive chain
- Master link
2. Install:
- Drive sprocket
- Drive sprocket retainer bolts
3. Install:
- Master link
- O-rings
- Master link plate
- Master link clip "1"
CAUTION:
|
NOTE:
Install the master link plate with its manufacturer mark facing outward.
4. Install:
- Drive sprocket cover
NOTE:
Be sure not to pinch the neutral switch lead when installing the drive sprocket cover.
5. Install:
- Rear wheel Refer to "REAR WHEEL" on page 4-12.
6. Adjust:
- Drive chain slack
Refer to "ADJUSTING THE DRIVE CHAIN
SLACK" on page 3-21.
| CAUTION: A drive chain that is too tight will overload the engine and other vital parts, and one that is too loose can skip and damage the swingarm or cause an accident. Therefore, keep the drive chain slack within the specified limits. |
Checking the drive sprocket
1. Check:
Drive sprocket
More than 1/4 tooth "a" wear
Replace the
drive chain sprockets as a set.
Bent teeth Replace the drive
chain sprockets
as a set.
b. Correct
1. Dri ...
Engine
...
Other materials:
Sidestand
The sidestand is located on the left side
of the frame. Raise the sidestand or
lower it with your foot while holding the
vehicle upright.
TIP
The built-in sidestand switch is part of
the ignition circuit cut-off system, which
cuts the ignition in certain situations.
WARNING
The vehicl ...
Removing the piston
1. Remove:
Piston pin clips "1"
Piston pin "2"
Piston "3"
CAUTION:Do not use a hammer to drive the piston
pin
out.
NOTE:
Before removing the piston pin clip, cover the
crankcase opening with a clean rag to prevent
the piston pin clip from falling in ...
Troubleshooting
The ignition system fails to operate (no spark or intermittent spark).
NOTE:
Before troubleshooting, remove the following part(s):
1. Seats
2. Fuel tank
3. Right side cover
4. Left side panel
5. Left upper side cowling
...