Yamaha YZF-R125 Owners Manual: Identification numbers
Record the key identification number, vehicle identification number and model label information in the spaces provided below for assistance when ordering spare parts from a Yamaha dealer or for reference in case the vehicle is stolen.
KEY IDENTIFICATION NUMBER:
VEHICLE IDENTIFICATION NUMBER:
MODEL LABEL INFORMATION:
Key identification number
Key identification number
- Key identification number
The key identification number is stamped into the key tag. Record this number in the space provided and use it for reference when ordering a new key.
Vehicle identification number
Vehicle identification number
- Vehicle identification number
The vehicle identification number is stamped into the steering head pipe. Record this number in the space provided.
TIP
The vehicle identification number is
used to identify your motorcycle and
may be used to register your motorcycle
with the licensing authority in your
area.
Model label
Model label
- Model label
The model label is affixed to the frame under the rider seat. Record the information on this label in the space provided. This information will be needed when ordering spare parts from a Yamaha dealer.
Other materials:
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. Drive chain roller
2. Drive chain sprocket
Checking the rear wheel sprocket
Refer to "CHECKING AND R ...
Removing the valves
The following procedure applies to all of the
valves and related components.
NOTE:
Before removing the internal parts of the cylinder
head (e.g., valves, valve springs, valve seats),
make sure the valves properly seal.
1. Check:
Valve sealing
Leakage at the valve seat Check
the valve
...
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
Cracks/damage Replace.
...