Yamaha WR450FN 2022 Owner's Service Manual page 31

Tool name/Tool No.
Ignition checker
90890-06754
Oppama pet–4000 spark checker
YM-34487
Test harness– speed sensor 5TJ (3P)
90890-03228
Test harness– speed sensor 5TJ (3P)
YU-03228
Test harness S– pressure sensor (3P)
90890-03207
Test harness S– pressure sensor (3P)
YU-03207
Illustration
1-19
SPECIAL TOOLS
Reference
pages
8-65
8-68
8-70