- New


The ATHENA P400485150005 cylinder kit bolt kit is designed for YAMAHA YZ 85 from 2019 to 2026. This kit brings together the bolts, studs or nuts that hold the cylinder and cylinder head of an Athena cylinder kit. New hardware ensures accurate, even tightening, which the top end needs to seal properly.
When fitting a cylinder kit, or as soon as a bolt or stud is damaged: a stretched bolt no longer holds its torque.
Founded in 1973 near Vicenza, Athena is an Italian engine gasket specialist that has made its gaskets on its own production lines since day one, as well as a renowned manufacturer of pistons and cylinder kits. The brand supplies original equipment to manufacturers such as KTM, Ducati, Fantic, Piaggio and Triumph, and is a partner of the MXGP motocross world championship.
Which cylinder is this hardware for?
For the Athena cylinder kit shown in the compatibility list. Compare with your original hardware if in doubt.
Check the exact model and year of your bike in the list below before ordering.
Fits:
YAMAHA YZ 85 2026
YAMAHA YZ 85 2025
YAMAHA YZ 85 2024
YAMAHA YZ 85 2023
YAMAHA YZ 85 2022
YAMAHA YZ 85 2021
YAMAHA YZ 85 2020
YAMAHA YZ 85 2019
Click on your bike to see all compatible parts.
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