BK4 – Starter Motor Brush Kit Mitsuba SM13 (Right-Hand Rotation – Yamaha)

Premium aftermarket starter motor brush kit designed for Mitsuba SM13 two-brush starter motors with right-hand rotation, as fitted to a wide range of Yamaha motorcycles and scooters.

Manufactured using high-quality carbon brushes and sintered copper bushings, this kit is built to restore dependable starting performance, reduce voltage drop, and extend starter motor life.

Important:
This kit is for right-hand rotation starter motors only.
Your existing brush plate must be stamped with an “R”.

Features & Benefits:

• Replacement starter motor brush plate assembly

• Suits Mitsuba SM13 two-brush starter motors

• Right-hand rotation configuration

• Durable carbon brushes for consistent electrical contact

• Sintered copper bushings for long service life

• Ideal for repairing worn or intermittent starter motors

• Quality aftermarket replacement for OEM components

Suitable Models (Yamaha)

• TTR250: 1994–2011

• XV535 Virago: 1992–1997

• XVS650: 1997–2016

• YZF750: 1993–1996

• GTS1000: 1993–1994

• FZR750R: 1989–1990

• YP250 Majesty: 1998–2003

• YP400 Majesty: 2004–2014

• XJ600 Seca: 1992–1998

• FZR1000: 1989–1995

• YZF1000: 1996–2001

Fitment Notes:

• Designed for Mitsuba SM13 starter motors

• Confirm starter motor rotation direction before purchase

• Brush plate must be R-stamped to ensure compatibility

A reliable, workshop-proven solution for servicing Yamaha starter motors and restoring strong, consistent starts.