Check Valve Assy

If an engine rebuild is called for, hopefully new piston rings and perhaps new crankcase seals will bring your Yamaha back to rude health. You will of course probably require new fasteners, seals and gaskets as well.
All the parts you require we supply.
We ship to more than sixty countries around the world. So it is most likely we ship to wherever you are. Why not give us a try - few companies can match our comprehensive Yamaha marine spares service, especially for older classic engines!
More cylinder and crankcase related parts you may wish to consider:

60VW0090101S
60YW0090131S
60V15100001S
9038316M01
6501137001
60V1137010
9011608012
18G2312800
6631151801
9010510M75
9010510067
9011906M13
9044507016
6E02437800
62Y1132500
66M1132800
66M113270094
66M1253500
9709505012
60V113710094
60V1138100
9011906MA2
60V1241100
60V12413001S
60V12414A0
9948006012
9011906055
66M1132500
66M1132800
66M113270094
66M1253500
9709505012
9011906MA2
68F4453300
68F4453301

Keep the engine mechanically and cosmetically up to scratch.

Add as many new parts to the same shopping cart as you wish, new washers 9299505600 9290306600 9299005600, screws, nuts and bolts 9701306020 for example, and still only pay the same single fixed price shipping cost.

This component may have other applications within the Yamaha model range.