Yamaha YZ450F (2022)
Chain Size & Slack
The Yamaha YZ450F (2022) uses a 520 chain with 50–60 mm slack.
Chain Size & Slack
Chain size520
Chain links114
Chain slack50–60 mmMeasured with the machine on a maintenance stand
Chain 15-link limit242.9 mmThis manual specifies chain wear via 15-link length rather than a slack limit
FAQ
What chain size is on the Yamaha YZ450F (2022)?
520.
What is the specified chain slack?
50–60 mm