YAMAHA YFM 350 WARRIOR / RAPTOR / MOTO 4 1987 - 2013 CRANKSHAFT BEARING AND SEAL KIT
4.4 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Spread the cost with 
18+, T&Cs apply
ProX crankshaft bearing and seal kits are manufactured at leading OEM factories, mainly in Japan, to exact OEM specifications. These kits utilize respected brands like Koyo, NTN, NOK, and ARS, ensuring high durability and reliable engine performance by keeping oil in and dirt out. Each kit contains all necessary parts for crankshaft rebuilding and is compatible with all other ProX or OEM crankshaft related products, offering a reliable and carefree driving experience. This kit is the easiest and best replacement for your Dirt bike, ATV, and PWC.
- SKU
- PROX.23-CBS23086
- Brand
- Prox
- Availability
- In Stock (2)
- SKU
- PROX.23-CBS23086
- Brand
- Prox
- Availability
- In Stock (2)
FULL DESCRIPTION
ProX Crankshaft Bearing and Seal Kit
Ensure your engine runs with optimal reliability and performance with the ProX Crankshaft Bearing and Seal Kit. Designed as a comprehensive solution for crankshaft rebuilding, this kit provides all the essential components needed to restore your engine to factory standards. Whether you are performing routine maintenance or a full engine overhaul, this kit offers the durability and precision required for demanding off-road and powersports conditions.
ProX components are manufactured in leading OEM facilities to meet or exceed original equipment specifications. By utilizing industry-leading brands such as Koyo, NTN, NOK, and ARS, these kits ensure a perfect fit and long-lasting service life. The high-quality bearings provide smooth operation, while the precision-engineered seals effectively retain oil and prevent contaminants from entering the engine internals.
Key Features
- OEM Quality Standards: Components are manufactured by trusted OEM suppliers to ensure exact specifications and maximum performance.
- Comprehensive Kit: Includes all necessary bearings and seals required for a professional-grade crankshaft rebuild.
- Superior Reliability: Built for high durability to withstand the rigors of ATV and off-road riding.
- Advanced Sealing Technology: High-performance seals keep lubrication in and dirt and debris out, protecting your engine from premature wear.
- Universal Compatibility: Designed to work seamlessly with both ProX and original equipment crankshaft products.
- Proven Brands: Utilizes reputable hardware from manufacturers like Koyo, NTN, NOK, and ARS for consistent quality.
Upgrade your engine maintenance with the ProX Crankshaft Bearing and Seal Kit, the ideal choice for riders who demand carefree operation and consistent engine health.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Call or email us with your make, model and year and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.