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Catalogue

Electrical · Yamaha

Voltage Regulator / Rectifier

Metric Verified
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Specification

OEM no.
4SV-81960-00
System
METRIC
Thread
M6x1.0 mounting
Dimensions
5-wire, 3-phase shunt type

Metric fasteners & sizes (mm, M-thread). Use metric tools.

Torque specs

FastenerNmft-lbin-lb
Mounting bolts107.3888.5

Mounting bolts

12
In order around · 2 bolts · snug all, then final torque in the same order

Typical values. Always confirm against your service manual.

Metric ⇄ Imperial

  • M6x1.00.236in dia · 25.4 TPI

Fitment notes

Common failure part. MOSFET FH020AA upgrade recommended.

Compatible bikes

  • Yamaha YZF-R1 1998-2001
  • Yamaha FZ1 2001-2005
  • Yamaha XJ900S 1995-2003

Interchangeable parts

  • Reg/Rec

    5DM-81960-00

    Yamaha FZ6 2004

    Connector change required

  • Shindengen FH020AA

    FH020AA

    Universal MOSFET upgrade

    Fit with adapter harness

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