Posted 11/24/2012 10:23 (#2713983 - in reply to #2713222) Subject: Re: Dad looking at a new to us tandem
I was happy with my M11. I ran it to 960,000 when it got compression in the radiator. I had a driver in it for a while and he got it hot. Make sure the hp is not set over 350 and it will last a long time. If you bump the hp you can have heat issues and it really cuts the fuel mileage.