Briggs and Stratton Engines

xr6boy

Joined: May 23, 2005
Points: 4

Briggs and Stratton Engines
Original Message Dec 19, 2006 4:05 am

Something that I have been wondering about for sometime

Take for example the B&S Quantum engine. It is 190cc capacity, but comes in various HP outputs from 4? to 6.5.

What do they do to alter the power output without changing capacity? Cam profile, Ignition timing ??????

Probably a really stupid question, but anyway... Have a great Christmas all.......

joshmech90

everything needs more power and nothing is powerful enough

Joined: Jul 5, 2007
Points: 50

Re: Briggs and Stratton Engines
Reply #5 Jul 5, 2007 5:39 pm

seems to be as of this year(20070 they are putting the torque rating on there. the valve size and compression ratio may be a part of it aswell i would guess that the reason for various outputs for the same capacety is proably the fact that they are rated at different rpm's. they proably limit the lower output motors throttle to give it less power even though it is capable of more.

This message was modified Jul 9, 2007 by joshmech90

down with flatheads so we can finally get out of last century and welcome in the new age of OHV/OHC motors who are supirior in al ways!

Outdoor Power Equipment (Lawn Mowers, Snow Blowers, Chain Saws and more) Discussions