Bolt Engine Fastener Kit for Yamaha YZ450FX 2016-2025

Bolt Engine Fastener Kits come with modern dimpled flange bolts. With a bright zinc finish these fasteners last long and give a clean updated look to any engine.

Available for Yamaha off-road motorcycle models 1989 and newer and select ATV models 1983 and newer. ATV models include the above and countershaft seal/neutral sensor and starter (where applicable) and exterior M6 and M5 fasteners for the engine.

Two-stroke Engine Fastener kits have all the external fasteners from top to bottom end including hardware for:

• Heads
• Reeds
• Cylinder
• Crankcase
• Case saver
• Water pump
• Left case cover
• Ignition cover
• Inner and outer clutch covers
• Power valve covers

Four-stroke Engine Fastener kits include bottom-end hardware for the following:

• Crankcase Covers
• Clutch Cover
• Oil Filter Cover
• Crankcase
• Case Saver
• Water Pump and various top-end bolts depending on model.

Bike Fitment:

• Yamaha YZ450FX 2016
• Yamaha YZ450FX 2017
• Yamaha YZ450FX 2018
• Yamaha YZ450FX 2019
• Yamaha YZ450FX 2020
• Yamaha YZ450FX 2021
• Yamaha YZ450FX 2022
• Yamaha YZ450FX 2023
• Yamaha YZ450FX 2024
• Yamaha YZ450FX 2025