Has anyone had any success using a two cycle snowmobile engine on an airboat. I've been reading old posts where a few people have used the Rotax 503's and 582's with some success but at 50 and 65 HP probably have to be pushed pretty hard to reach their full HP at high RPM's. I have an arctic cat 500 with a two cylinder fuel injected Suzuki motor that's supposed to put out 96HP that I'm thinking would be my cheapest option for airboat power. I'd like to use the torque converter that the motor has on it as a clutch connected to a re drive to get the prop speed down. this would also lower the motor and get the prop high enough to work. Has anyone tried this?
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