I ran my 1200R waverunner on cheap oil, like $7.00 a gallon oil all season and now it has much less power and about 10 MPH slower. Has anyone else had this sort of problem before?
I'm thinking of buying this 95 Bayliner Capri 1850 SS, yesterday I took it for a test drive (after replacing a freeze plug that pushed out) The motor runs good but if I throttle all the way up, the rpms will go to almost 6000, that's way in the red on the tach, this seems too high to me. It is a...