Yamaha DT125R Owner's Manual page 71

Engine serial number
1
1. Engine serial number
The engine serial number is stamped
into the crankcase.
EAU26440
Model label
1
1. Model label
The model label is affixed to the frame
under the seat. (See page 3-8.)
Record the information on this label in
the space provided. This information
will be needed when ordering spare
parts from a Yamaha dealer.
CONSUMER INFORMATION
EAU26480
9-2
9