Specifications

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This rotor is narrower than the standard rotor, aiming at a reduced inertia mass and
frictional load.
For the stator coil, use standard one.
CAUTION :
• The rotor and starter clutch are integrated. Use a standard starter clutch.
• After the installation of the starter clutch, check for direction of rotation.
• To install the stator coil-integrated cover, tighten the three (3) bolts (M8) to
22.0 Nm and the other bolts (M6) to 10.0 Nm.
12. Engine Control Unit (ECU)
Parts List
CAUTION concerning the basic motorcycle
The ECU kit cannot be used if the basic motorcycle conforms to the European
specification and if the part number of the main harness is 5VY-82590-00.
Use the harness from the kit.
A combination of harness “5VY-82590-10” intended for the USA and Australia
and the ECU kit can be used, but only for the ST (Stock Sports).
No. PART No. PART NAME Q’TY REMARKS
1 5VY-8591A-70 ECU 1
AFTER TIGHTENING THE 3 M8 BOLTS TO 22 Nm,
TIGHTEN THE OTHER (M6) BOLTS.