
The Story
Crank Shaft Bearing and Seal Kit designed to meet OEM specifications, providing reliable performance and durability. This kit includes high-speed bearings and EMQ standard seals with garter-spring inner lips and rubber-covered outer diameters for optimal sealing. All components necessary for a complete crank bearing rebuild are included.
Features:
- High-quality, OEM-matched bearings and seals.
- EMQ standard seals with garter-spring inner lips for enhanced sealing efficiency.
- Rubber-covered outer diameter ensures superior durability and performance.
- Comprehensive kit for crank bearing rebuilds.
Kit Contents:
- Seal: 2
- Engine Bearings (6304 C3 KOYO): 2
Cross-Reference OEM Part Numbers:
- Bearing: 93306-30421-00
- Oil Seal: 93102-20447-00
- Oil Seal, SW-Type: 93103-28100 / 93103-28011-00
Vehicle Compatibility:
- Yamaha DT100 (1974–1983)
- Yamaha MX100 (1974–1983)
- Yamaha RT100 (1990–2000)
Part Number: 56-388

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Crank Shaft Bearing and Seal Kit designed to meet OEM specifications, providing reliable performance and durability. This kit includes high-speed bearings and EMQ standard seals with garter-spring inner lips and rubber-covered outer diameters for optimal sealing. All components necessary for a complete crank bearing rebuild are included.
Features:
- High-quality, OEM-matched bearings and seals.
- EMQ standard seals with garter-spring inner lips for enhanced sealing efficiency.
- Rubber-covered outer diameter ensures superior durability and performance.
- Comprehensive kit for crank bearing rebuilds.
Kit Contents:
- Seal: 2
- Engine Bearings (6304 C3 KOYO): 2
Cross-Reference OEM Part Numbers:
- Bearing: 93306-30421-00
- Oil Seal: 93102-20447-00
- Oil Seal, SW-Type: 93103-28100 / 93103-28011-00
Vehicle Compatibility:
- Yamaha DT100 (1974–1983)
- Yamaha MX100 (1974–1983)
- Yamaha RT100 (1990–2000)
Part Number: 56-388




















