Yamaha YZF-R1 (2009–2011)
Chain Size & Slack
The Yamaha YZF-R1 (2009–2011) uses a 50VAZ chain with 25–35 mm slack.
Chain Size & Slack
Chain size50VAZ
Chain links120
Chain slack25–35 mm
Chain 15-link limit239.3 mm
Chain 20-link limit0 mm
Drive chain slack (limit)0 mmManual states an adjustment target range (25.0–35.0 mm) and a tighter replacement-time range (20.0–30.0 mm), but no separate 'if it exceeds this, stop riding' wear limit — left unfilled rather than repurposing the adjustment range as a limit.
FAQ
What chain size is on the Yamaha YZF-R1 (2009–2011)?
50VAZ.
What is the specified chain slack?
25–35 mm
More YZF-R1 specs
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