Specifications

• Type: Starter Motor Carbon Brush Kit

• Brand: FIRE POWER

• Part Number: SMU9158

• Material: High-Grade Carbon (heat & wear resistant)

• Quantity: 2 Brushes per Pack

• Condition: New Aftermarket

• Application: Motorcycle, ATV, UTV

Compatibility WIth For 

YAMAHA

• 2004

• YFM350 Bruin Auto 2×4

• 2005

• YFM350 Bruin Auto 2×4

• 2006

• YFM350 Bruin Auto 2×4

• 2007

• YFM350 Grizzly Auto

• YFM350 Grizzly IRS 4×4 Auto

• 2008

• YFM350 Grizzly Auto

• YFM350 Grizzly IRS 4×4 Auto

• 2009

• YFM350 Grizzly Auto

• YFM350 Grizzly IRS 4×4 Auto

• 2010

• YFM350 Grizzly Auto

• YFM350 Grizzly IRS 4×4 Auto

• 2011

• YFM350 Grizzly Auto

• YFM350 Grizzly IRS 4×4 Auto

• 2012

• YFM350 Grizzly Auto

• 2014

• YFM350 Grizzly Auto

• Equipment Type: Starter motors installed in motorcycles, ATVs, and UTVs

• Fitment Note: Engineered to align with standard brush holder specs for universal use

Installation Notes

1. Disconnect the vehicle battery to avoid electrical hazards.

2. Remove the starter motor cover and access the brush holder.

3. Replace old/worn brushes with the SMU9158 set, ensuring proper spring tension.

4. Reassemble the starter and test cranking performance before regular use.

Important Considerations

• Check brush length (replace if original brushes are shorter than 10mm).

• Verify your starter’s brush holder dimensions for precise fit.

• Consult the vehicle’s service manual for disassembly guidelines.