Yamaha WR250F 2021 - Yamaha Diagnostic Tool; Connecting the Yamaha Diagnostic Tool

FUEL INJECTION SYSTEM
8-31
EAM30285
YAMAHA DIAGNOSTIC TOOL
This model uses the Yamaha diagnostic tool to identify malfunctions.
For information about using the Yamaha diagnostic tool, refer to the operation manual that is included
with the tool.
TIP
A generic scan tool can also be used to identify malfunctions.
EAM30356
CONNECTING THE YAMAHA DIAGNOSTIC TOOL
1. Remove the coupler for connecting setting tool.
2. Connect the FI diagnostic tool sub-lead.
3. Connect the FI diagnostic tool sub-lead to the Yamaha diagnostic tool.
WARNING
EWA20450
Never connect the sub-lead (special tool) to the battery. Otherwise, because of excessive cur-
rent flow, the sub-lead can catch fire and the battery could be damaged.
TIP
For information on how to connect and use the Yamaha diagnostic tool, refer to “YAMAHA DIAGNOS-
TIC TOOL OPERATION MANUAL”.
Yamaha diagnostic tool USB (US)
90890-03269
Yamaha diagnostic tool (A/I)
90890-03264
OBD/ GST Leadwire kit
90890-03249
FI diagnostic tool sub–lead
90890-03212
FI diagnostic tool sub–lead
YU-03212