Usually around 3000 for cruising 6800 max wich is just a little over 2000 on that 80 inch warp drive and with a big stainless muffler it's pretty quiet the motor has never been rebuilt it was a 37,000 mile motor when pulled from the car and this combo has been together for over 6 years and has several hundred hours on the boat with nothing but regular maintenance. and runs on 87 octane pump gas