View Single Post
 
Old 03-20-2017, 07:58 AM
Rickg's Avatar
Rickg Rickg is offline
Senior Member
Join Date: Jan 2013
Posts: 386
Thanks: 10
Thanked 34 Times in 10 Posts
Default Yamaha HP

Quote:
Originally Posted by rustyp View Post
That does not sound right. The standard engine is 11.4 HP. 5HP less would be a reduction of 44%. Perhaps it is .5 HP less? If the muffler is a new design and quieter it might have more baffling. I have seen the new encasement of the muffler. If under all that suitcase type cover is new baffling to the muffler itself that probably means more exhaust back pressure thus a reduction in HP not necessarily a new engine.
The specs from Yamaha are: 2017=8.9 HP. The earlier model is 11.4 HP. The acceleration is noticeably slower, but it has no problem maintaining speed at 20/22 mph. (Please, lets not start a debate on 22 mph)
__________________
Yes, we Drank the koolaid
Collier, The Villages