Product videos
Bel-Ray V-Twin Big Twin Transmission Oil - 96900-BT1
Fitment check
Universal-fit product
A saved-bike match is a shopping aid. Always review manufacturer notes, exclusions, measurements, and installation requirements.
Big Twin Transmission Oil - 1L
Published features
- Formulated for gears in heavily loaded transmissions/gear boxes
- For Big Twin transmissions and final drives
- Recommended for 4, 5 & 6 speed Big Twin transmissions
- Extreme pressure additives to reduce component wear
- Distinctive red color for leak detection
- Wear protection extends gear life
- Easier to find neutral & reduces/eliminates common V-Twin transmission “clunk”
- Quiets gear whine and improves shifting
Published specifications
- Application: 4-Stroke
- Container Size: 1 liter, 1.05 US quart
- Dispenser Type: Bottle
- Meets or Exceeds Requirements for: API GL-5
- Oil Base: Conventional (Mineral)
- Product Name: Oil
- Riding Style: Street
- Style: Big Twin
- Type: Transmission
- Units: Each
- Viscosity (Weight): 85W-140
Application: Drag provides category-level use evidence rather than vehicle-fitment rows for this item. Confirm the exact motorcycle, service cavity, viscosity or specification, and manufacturer or service-manual requirements before ordering. No vehicle-specific interval, capacity, or compatibility is asserted.
Local help: AVT's Boca Raton Harley service storefront can verify the correct filter, seal, lubricant, service cavity, and published specification for your motorcycle and perform routine service.