i find the honda H2 to be a loud motor when compared to the H5 or H9.9. it shakes a bit more also ... but not the worse i have heard or felt. an example of the H2 at about 1/2 throttle can be seen & heard in my blog archives - http://www.freewebs.com/m15-named-scred/blog.htm?archived=1 look for the 10 june '08 post named "Quick Video of June 7th Day Trip" dave scobie M15 #288 - SCRED visit Scred's www-site: http://www.freewebs.com/m15-named-scred --- On Thu, 8/7/08, Arnold Sharpe <afsharpe@mac.com> wrote: From: Arnold Sharpe <afsharpe@mac.com> Subject: Re: M_Boats: M-15/Honda BF5A To: "For and about Montgomery Sailboats" <montgomery_boats@mailman.xmission.com> Date: Thursday, August 7, 2008, 3:44 PM Rick, I am considering a 2hp Honda due to its light weight (my present 4hp yamaha weighs 65 lbs, difficult for an old fart to get on and off). My one concern was vibration. What has been your experience. Regards..Arnold Sharpe M-17 "LITTLE BREEZE"