Temp gauge sensor adapter

[Yama 1000]

Were can I get a water temp gauge sensor adapter from that will work with a Koso gauge. I think the size is 28 mm also what size is the sensor bung ?

 

[800Thumper]

I used a 26mm water temp sensor adapter. Had a 1/8" npt threaded hole like your sensor. 26mm fits pretty snug I wouldn't go any bigger. Do a search on ebay for a 26mm water temp sensor adapter you will find plenty for cheap.