Yamaha BW350 Jackshaft Bearing & Seal Kit

We offer high-quality jackshaft bearing, spacer, and seal kits from DMO Specialties—engineered to replace the now-discontinued OEM Yamaha parts. Designed for all BW350 models, this comprehensive kit includes everything needed to refresh your jackshaft assembly and optionally convert to a 520 chain setup.

DMO created this solution after most OEM parts became unavailable, ensuring long-term support and improved serviceability for your BW350.

Kit Includes:

• 4 premium replacement jackshaft bearings
• 2 stainless steel outer collars
• 1 inner steel collar
• 2 high-quality seals
• 2 outer washers
• 1 large washer (used only if converting to a 520-size inner sprocket)

Features:

• Replaces discontinued Yamaha OEM components
• Compatible with all Yamaha BW350 models
• Allows optional conversion to a 520 chain setup
• Precision-machined components for a reliable, long-lasting fit
• Developed and manufactured by DMO Specialties

Note: Do not install the large washer if you're retaining the stock 530 sprocket.