How to do a valve check on a traditional 4 cylinder engine.
Please follow your bike's service manual as this video is not intended to be a substitution for professional advice.
The TDC on the crossplane crankshaft on the 2009+ Yamaha R1 is different so the cylinder positions mentioned in this video does not apply.
Be prepared to spend at least 4 - 8 hours doing this service or shell out $300 for a shop to do it.