Main Motorcycle: 2005 Daytona 955i
Join Date: Feb 2008
Location: Melbourne, Australia
Other Motorcycle: 2016 Speed Triple R
Extra Motorcycle: 2004 Daytona 955i
I'm with Chuck here. With the rider aboard, changing rear preload changes the rear ride height, nothing else. It does not make the ride softer or harder. The spring rate and the damping rates are unchanged.
In my experience with Daytona 955i, with a reasonable spring rate and enough low speed rebound damping to control oscillation, the main contributor to ride comfort is reducing excessive high speed compression damping to allow the suspension to react to sharp bumps. Just enough damping to prevent bottoming on the worst of high amplitude, short-wavelength undulations. This requires changing the compression shim stack on the shock piston for a softer one (which is easy to do as part of a Gold valve upgrade). But I ride on the road, not the track. My ultimate suspension test road is Woodenbong to Tabulam in northern NSW.
Armed with this experience, I plan to have the rear shock on my 2016 S3R revalved for less high speed compression damping, although the Ohlins, set to the "comfort" setting in the owner's manual (23 clicks out on the compression damping) is worlds ahead of the stock Showa on the 955i, for comfort as well as performance. In terms of comfort I think just about any other Triumph model's suspension is worlds ahead of the 955i S3/Daytona's.
Last edited by blacki999; 06-25-2019 at 03:29 AM.