Maybe helpful. I know a lot of people have had problems with this washer missing on there bikes.
137-14153-00-00 YAMAHA WASHER,MAIN JET
Without washer.
With Washer.
With washer and jet.
137-14153-00-00 YAMAHA WASHER,MAIN JET
Without washer.
With Washer.
With washer and jet.