Tohatsu M-Kit for everything needed to service your Tohatsu , Mercury or Mariner except oils which can be purchased on the website too. 
This kit also includes the thermostat and gasket
We can service using this kit if you’d like a quote please feel free to get in touch. 
If you’re unsure if this kit will fit your Outboard please get in touch. 
Kit Part Number: 3GR-87500-1
Thermostat part number: 3H6-01030-0
Thermostat cap gasket: 346-01032-0