Re: Yamaha Model 2SH, 2 hp, gas oil mix ?? Home › Forum › Ask A Member › Yamaha Model 2SH, 2 hp, gas oil mix ?? › Re: Yamaha Model 2SH, 2 hp, gas oil mix ?? curious-jarheadReplies: 1Topics: 1 July 15, 2018 at 1:46 am #79584 Thanks!