Yamaha YZF-R1 / YZF-R1M (2015–2019)
Chain Size & Slack
The Yamaha YZF-R1 / YZF-R1M (2015–2019) uses a 525 chain with 25–35 mm slack.
Chain Size & Slack
Chain size525
Chain links114
Chain slack25–35 mm
Chain 15-link limit239.3 mm
Drive chain slack (limit)35 mmEquals the standard adjustment range maximum
FAQ
What chain size is on the Yamaha YZF-R1 / YZF-R1M (2015–2019)?
525.
What is the specified chain slack?
25–35 mm