My brother in law bought one for his wife. In the first six months of ownership it was in the shop for 4 of them. Till a new engine was put in. Thankfully they got a warranty with it but maxed it out already and had to pay a deductible each time the car went in the shop. Oh and the car only had...
I would test drive what ever you buy.
Go buy your auto parts store and buy a compression tester. Test each cylinder and make sure they are not way off.
Jet skis are high performance and constantly in and out of water jumping waves causing rpms to get real high.
Also when you buy one keep oil...