The PROX 31.6356 Cam Chain is a precision replacement timing chain designed for select Husqvarna and KTM motorcycle engines. Manufactured in Japan by Borg Warner, this cam chain is built to original equipment specifications for dependable fit, accurate valve timing, and long service life. It is an ideal replacement for worn, stretched, or noisy cam chains during engine maintenance or rebuilds.
Featuring a strong M-Type chain design, the PROX cam chain uses specially heat-treated pins along with advanced pin and link connections. These construction details support reliable performance, enhanced durability, and consistent operation under demanding engine conditions. The chain is engineered to help maintain proper camshaft timing and dependable powertrain function when installed according to the motorcycle manufacturer’s service procedures.
This PROX cam chain fits the 2017 Husqvarna FX 350; 2016–2017 Husqvarna FC 250; 2016–2017 Husqvarna FC 350; 2017 Husqvarna FE 250; 2017 Husqvarna FE 350; 2017 KTM 350 EXC-F; and 2016–2017 KTM 350 SX-F. Verify the model year and engine application before ordering. The manufacturer part number is 31.6356, and the vendor part number is 31.6356.
Features:
- Manufacturer: Borg Warner, manufactured in Japan
- Brand: PROX
- Part Number: 31.6356
- Vendor Part Number: 31.6356
- Design: Engineered to original equipment specifications
- Construction: Strong M-Type cam chain with heat-treated pins
- Durability: Advanced pin and link connections for dependable performance
- Fitment: Select 2016–2017 Husqvarna and KTM 250cc–350cc motorcycle models
Fitment:
2016 Husqvarna FC 250
2016 Husqvarna FC 350
2016 KTM 250 SX-F
2016 KTM 350 SX-F
2017 Husqvarna FC 250
2017 Husqvarna FC 350
2017 Husqvarna FE 250
2017 Husqvarna FE 350
2017 Husqvarna FX 350
2017 KTM 250 EXC-F
2017 KTM 250 SX-F
2017 KTM 350 EXC-F
2017 KTM 350 SX-F
2018 Husqvarna FC 250
2018 Husqvarna FC 350
2018 Husqvarna FE 250
2018 Husqvarna FE 350
2018 Husqvarna FX 350
2018 KTM 250 EXC-F
2018 KTM 250 SX-F
2018 KTM 350 EXC-F
2018 KTM 350 SX-F
2019 Husqvarna FC 250
2019 Husqvarna FC 350
2019 Husqvarna FE 250
2019 Husqvarna FE 350
2019 Husqvarna FX 350
2019 KTM 250 EXC-F
2019 KTM 250 SX-F
2019 KTM 350 EXC-F
2019 KTM 350 SX-F
2020 Husqvarna FC 250
2020 Husqvarna FC 350
2020 Husqvarna FE 250
2020 Husqvarna FE 350
2020 Husqvarna FX 350
2020 KTM 250 EXC-F
2020 KTM 250 SX-F
2020 KTM 350 EXC-F
2020 KTM 350 SX-F
2021 Gas-Gas EC 250F
2021 Gas-Gas EC 350F
2021 Gas-Gas EX 250F
2021 Gas-Gas EX 350F
2021 Gas-Gas MC 250F
2021 Husqvarna FC 250
2021 Husqvarna FC 350
2021 Husqvarna FE 250
2021 Husqvarna FE 350
2021 Husqvarna FX 350
2021 KTM 250 EXC-F
2021 KTM 250 SX-F
2021 KTM 350 EXC-F
2021 KTM 350 SX-F
2022 Gas-Gas EC 250F
2022 Gas-Gas EC 350F
2022 Gas-Gas EX 250F
2022 Gas-Gas EX 350F
2022 Gas-Gas MC 250F
2022 Husqvarna FC 250
2022 Husqvarna FC 350
2022 Husqvarna FE 250
2022 Husqvarna FE 350
2022 Husqvarna FX 350
2022 KTM 250 EXC-F
2022 KTM 250 SX-F
2022 KTM 350 EXC-F
2022 KTM 350 SX-F
2023 Gas-Gas EC 250F
2023 Gas-Gas EC 350F
2023 Gas-Gas EX 250F
2023 Gas-Gas EX 350F
2023 Gas-Gas MC 250F
2023 Gas-Gas MC 350F
2023 Husqvarna FE 250
2023 Husqvarna FE 350
2023 KTM 250 EXC-F
2023 KTM 350 EXC-F