We offer genuine Yamaha cylinder base gasket and O-rings (O-rings not shown) for all years of the TW200. These are the parts that should be replaced when reinstalling a cylinder and head assembly and include the thin paper style gasket, large O-ring that goes around the cylinder sleeve, and small O-ring that goes around one of the dowel pins.

The part numbers for the three included parts of this kit are:

• 1987-97: 5VC-11351-01-00, 93210-71470-00, and 93210-13361-00
• 1998-22: 5VC-11351-10-00, 93210-72529-00, and 93210-13361-00