f/w cooling sys
F/W cooling sys is alot better as far as I'm concerened. you'll have to get a fresh water pump and a cooler with somekinda of mounting bracket, all the parts you need should be available at yanmar dealer, make sure you purchase all the zinks needed.. I work on boats as a side line so if I can be of any help feel free to e-mail me.mikemm@starband.net