Close to hitting 4,000 miles now and I've been pretty disappointed with the Stelvio suspension. I left the forks at the settings it arrived with, dialled the rear shock damping right out as I had heard a journalist say that helped with the ride quality. Yes, that helped soften the atrocious city streets but left me bouncing my way through corners. Just a rubbish rear shock I thought.
Last week I took it to see a suspension specialist, Mark Hammond (mhracing.com). He bounced the back of the bike, rocked it against the front brakes and sighed. He then wound on both pre-load and damping front and rear, got me to sit on the bike to measure the sag, then made a couple of extra tweaks. I took it for test ride around the country roads near his workshop. What a change! What a great investment!
This weekend I took it for a 570 mile excursion to Lincolnshire to visit the Buell and Italian Event (lincsaviation.co.uk/events/uk-buell-and-italian-motorcycle-meet.htm). The suspension is really good now - a little on the firm side on broken roads for my ageing bum, but close to perfect elsewhere - I'm no longer thinking of a shock replacement. I really recommend this service from mhracing to anyone unhappy with their setup. I met a Mandello owner this weekend and suspension was his only gripe with the bike.
So for fellow Stelvio owners I backed out the settings to fully undone (anti-clockwise) and counted the turns:
Right Fork Damping: The screw clicks every sixth of a turn. Set it 10 clicks open from fully anti-clockwise (1.67 rotations)
Right Fork Pre-load: 19 half-turns and 1 quarter-turn from fully anti-clockwise (9.75 rotations)
Rear Shock Damping: 2 half-turns and 1 quarter-turn from fully anti-clockwise (1.25 rotations)
Rear Shock Pre-load: The knob clicks every half-turn. Set it 17 clicks clockwise from fully anti-clockwise (8.5 rotations)
I weigh around 86 kilos, 190 pounds in kit. His advice was not to touch the damping settings with pillion or passengers, just try another 10 clicks on the rear pre-load when fully loaded then adjust to suit.
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If any Stelvio owner wants to try these, I suggest you first make a note of your current setup. Please report your results.
Barney
Addendum: My weekend travels were done with panniers and after returning home further experimentation showed that reducing the rear shock damping setting by 0.5 turns gave better ride quality solo without allowing the bike to wallow in corners. I have adjusted the above figure accordingly, and coincidentally 1.25 turns is what the latest version of the manual recommends (see below comments thread).