Lowering the front end
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From: Rob Kleinschmidt on 6 Jul 2010 23:50 On Jul 6, 7:38 pm, sean_q_ <nos...(a)no.spam> wrote: > I want to relocate my Thruxton's triple tree one inch > lower on the forks (ie, so that 1" of the forks would > project above the upper triple clamp). > > Is this likely to have any adverse effects, especially > on handling? It would make the handling quicker. Better to fiddle with both the front and rear height at the same time so you get the handling you like.
From: ? on 7 Jul 2010 01:12 On Jul 6, 8:38 pm, sean_q_ <nos...(a)no.spam> wrote: > I want to relocate my Thruxton's triple tree one inch > lower on the forks (ie, so that 1" of the forks would > project above the upper triple clamp). > > Is this likely to have any adverse effects, especially > on handling? This will help the motorcycle turn into a corner quicker, while at the same time making the steering feel slightly heavier. One inch is quite a bit of change (I have actually done this rather extreme mod on one motorcycle), and, you may find that the motorcycle tends to "fall into" corners, necessitating pressure on the handlebars in the direction of the turn to countersteer the chassis back to the desired degree of lean.
From: tomorrow on 7 Jul 2010 10:52 On Jul 7, 2:14 am, totallydeadmail...(a)yahoo.co.uk (The Older Gentleman) wrote: > sean_q_ <nos...(a)no.spam> wrote: > > I want to relocate my Thruxton's triple tree one inch > > lower on the forks (ie, so that 1" of the forks would > > project above the upper triple clamp). > > > Is this likely to have any adverse effects, especially > > on handling? > > > TIA for any advice, SQ > > As others say, slightly quicker steering. No bad thing, if your frame's > geometry is as I remember. > > Slightly less ground clearance. You should see the set-up required to make a Ducati 800SS (or 1000SS) steer properly on the racetrack. The adjustable ride-height Ohlins rear shock is set to the tallest setting, raising the rear end of the bike (static) about 3 inches over the stock shock at the factory setting, and the fork tubes are raised almost 2.5 inches in the triples. Looks like a cat in heat, but at least it will turn. Kind of interesting what it makes the rear end do under braking for second gear corners, too!
From: TOG on 7 Jul 2010 11:56 On 7 July, 15:52, "tomor...(a)erols.com" <tomorrowaterolsdot...(a)yahoo.com> wrote: > On Jul 7, 2:14 am, totallydeadmail...(a)yahoo.co.uk (The Older > > Gentleman) wrote: > > sean_q_ <nos...(a)no.spam> wrote: > > > I want to relocate my Thruxton's triple tree one inch > > > lower on the forks (ie, so that 1" of the forks would > > > project above the upper triple clamp). > > > > Is this likely to have any adverse effects, especially > > > on handling? > > > > TIA for any advice, SQ > > > As others say, slightly quicker steering. No bad thing, if your frame's > > geometry is as I remember. > > > Slightly less ground clearance. > > You should see the set-up required to make a Ducati 800SS (or 1000SS) > steer properly on the racetrack. The adjustable ride-height Ohlins > rear shock is set to the tallest setting, raising the rear end of the > bike (static) about 3 inches over the stock shock at the factory > setting, and the fork tubes are raised almost 2.5 inches in the > triples. Looks like a cat in heat, but at least it will turn. Kind > of interesting what it makes the rear end do under braking for second > gear corners, too! Grrrr..... look, will you bloody well shut up about all these lovely handling mods you can make to old-skool Dukes? Because I'm sure that it'll result in my having to spend money. Or would, if I weren't giving the SS to Number One Son this year. He's waiting until his insurance comes due for renewal (like in a few weeks) and there is naked lust in his eyes.
From: Rob Kleinschmidt on 7 Jul 2010 12:10
On Jul 6, 7:38 pm, sean_q_ <nos...(a)no.spam> wrote: > I want to relocate my Thruxton's triple tree one inch > lower on the forks (ie, so that 1" of the forks would > project above the upper triple clamp). > > Is this likely to have any adverse effects, especially > on handling? > > TIA for any advice, SQ One other thought. If you have a centerstand, lowering either end of the bike will make it a real backbreaker to put on the centerstand. Plan on hacking up the stand if you want to use it. |