The PROX 31.4351 Cam Chain is a high-quality replacement timing chain designed for select Kawasaki KX250F and KX250X models. Manufactured in Japan by Borg Warner, this cam chain is engineered to meet original equipment specifications, providing dependable fitment and consistent performance for motocross and off-road applications.
Featuring a strong M-Type chain design, the PROX cam chain uses a specially heat-treated pin along with advanced pin and link connections. These construction details are designed to support maximum durability, reliable operation, and resistance to wear under demanding engine conditions. It is a practical choice for restoring proper valve-timing performance during engine maintenance or rebuild work.
Manufacturer part number 31.4351 and vendor part number 19-9260 identify this PROX replacement component. Fitment includes the 2021–2025 Kawasaki KX250F and 2021–2025 Kawasaki KX250X, subject to the specific model year and engine configuration. Confirm the motorcycle model and existing cam chain specifications before installation.
Features:
- Brand: PROX
- Manufacturer: Borg Warner
- Manufacturer Part Number: 31.4351
- Vendor Part Number: 19-9260
- Application: Cam chain replacement for Kawasaki KX250F and KX250X motorcycles
- Manufacturing Origin: Made in Japan
- Specification: Designed to meet O.E.M. specifications
- Construction: Strong M-Type chain with a specially heat-treated pin
- Durability: Advanced pin and link connections support reliable performance and extended service life
- Fitment: 2021–2025 Kawasaki KX250F and 2021–2025 Kawasaki KX250X
Fitment:
2021 Kawasaki KX250F
2021 Kawasaki KX250X
2022 Kawasaki KX250F
2022 Kawasaki KX250X
2023 Kawasaki KX250F
2023 Kawasaki KX250X
2024 Kawasaki KX250F
2024 Kawasaki KX250X
2025 Kawasaki KX250F
2025 Kawasaki KX250X
2026 Kawasaki KX250F
2026 Kawasaki KX250X