The BOLT Engine Fastener Kit, part number E-YF4-1420, provides a comprehensive selection of replacement external engine fasteners for compatible Yamaha four-stroke motorcycles. Designed for a clean, consistent installation, this kit includes hardware for key engine and chassis-related covers and components, helping replace worn, damaged, or missing original fasteners during maintenance, repair, or engine service.
Fitment: This BOLT kit fits select 2014–2018 Yamaha YZ450F models, 2016–2018 Yamaha YZ450FX models, and 2016–2017 Yamaha WR450F models. Confirm the model year and application before ordering to ensure proper compatibility. The kit is intended for the listed Yamaha applications and provides model-specific fastener coverage for the included engine components.
Included coverage: The four-stroke engine fastener kit includes bottom-end hardware for the crankcase covers, clutch cover, oil filter cover, crankcase, case saver, and water pump, along with various top-end bolts depending on the motorcycle model. BOLT manufactures this kit for organized, reliable replacement of engine fasteners while supporting a professional finished appearance.
Application: Use the BOLT E-YF4-1420 Engine Fastener Kit when rebuilding, servicing, or refreshing the external fasteners on a compatible Yamaha motorcycle. Always compare the existing hardware and consult the motorcycle service information for correct installation procedures and torque specifications.
Features:
- Brand: BOLT
- Manufacturer: BOLT
- Part Number: E-YF4-1420
- Vendor Part Number: E-YF4-1420
- Product Type: Four-stroke engine fastener kit
- Fitment: 2014–2018 Yamaha YZ450F
- Fitment: 2016–2018 Yamaha YZ450FX
- Fitment: 2016–2017 Yamaha WR450F
- Coverage: Crankcase covers, clutch cover, oil filter cover, crankcase, case saver, water pump, and various top-end bolts
- Application: Replacement external engine fasteners for compatible Yamaha motorcycles
Fitment:
2014 Yamaha YZ450F
2015 Yamaha YZ450F
2016 Yamaha WR450F
2016 Yamaha YZ450F
2016 Yamaha YZ450FX
2017 Yamaha WR450F
2017 Yamaha YZ450F
2017 Yamaha YZ450FX
2018 Yamaha WR450F
2018 Yamaha YZ450F
2018 Yamaha YZ450FX
2019 Yamaha WR450F
2019 Yamaha YZ450F
2019 Yamaha YZ450FX
2020 Yamaha WR450F
2020 Yamaha YZ450F
2020 Yamaha YZ450FX
2021 Yamaha WR450F
2021 Yamaha YZ450F
2021 Yamaha YZ450FX
2022 Yamaha WR450F
2022 Yamaha YZ450F
2022 Yamaha YZ450FX
2023 Yamaha WR450F
2023 Yamaha YZ450FX