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2003 Tuono front suspension settings |
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Italiatwin 
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Joined: 05 Feb 2014 Location: United Kingdom Status: Offline Points: 256 |
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 Topic: 2003 Tuono front suspension settingsPosted: 11 Feb 2014 at 21:58 |
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Hi all
I have just converted a 2003 Gen1 RSV to Tuono/Streetfighter. Now lots of weight has been taken off the front, ie no fairing and high bars it feels a bit hard on the front. Now running preload soft - all the way out - 7 1/2 rings showing, compression soft - adjuster all the way out. Rebound 1 1/4 turns out. Just wondering how this compares to other Gen1 Tuono set ups ? I am 13 1/5 stone. |
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2003 RSV Streetfighter/Tuono thingy, and 2003 Multistrada.
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Spoonz
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Joined: 11 Feb 2008 Location: North Devon Status: Offline Points: 10957 |
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Posted: 11 Feb 2014 at 22:16 |
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Sounds like you have it set quite soft already.
With that little preload you might even have a fairly high sag figure meaning you are riding in a harsher part of the damping curve before you even hit any bumps. Unless the springs are progressive, preload is really there to tailor your ride height which in turn determines where you are in the stroke of the fork in general. By taking preload off you load the front lowering the fork in it's stroke and make it harsher. Measure your sag figures ideally with you both on and off the bike and add a bit to allow for the weight of your gear and see where you are as a starting point. If the damping is still too hard you might need to drop the oil height a little. The higher the level the faster the damping ramps up as you compress the fork.
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Italiatwin
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Posted: 12 Feb 2014 at 09:47 |
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The reason the preload is all the way out is because that is the only way I can get any decent amount of sag.
I think the RSV springs are too hard for this light weight front set up. Maybe lighter oil ? |
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2003 RSV Streetfighter/Tuono thingy, and 2003 Multistrada.
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Spoonz
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Posted: 12 Feb 2014 at 10:02 |
If you can't get any sag you need lighter springs to get the ride height in the ball park but may well need an oil tweak also. I would go for a bit less oil rather than lighter as it's a more tuneable item. Even 10mm will make a diference greater than a single step viscosity change.
You could drop the forks slightly to load the front, depends where they are currently. |
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fusebox
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Aprilia performance boss bloke Joined: 11 Feb 2008 Location: the shop..again Status: Offline Points: 3083 |
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Posted: 12 Feb 2014 at 10:50 |
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as spoonz says...where are the forks set in the yokes??
the one thing you do have is weight..(no offence i didnt meanit like that and you know it  ...if you drop the yokes down the forks slightly you will change the geometry of the bike significantly and automatically get the extra weight towards the front and therefor maybe a better feel of the front end without having to spend any money.. id recommend 4 rings as a good starter! although some do find this a bit radical.. stay in touch ..this is perfectly fixable whichever way you choose to go! suspension is very personal so listen to instincts and youll get there...but dont over analyse....im always guilty of this myself! |
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Italiatwin
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Posted: 12 Feb 2014 at 12:09 |
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Currently about 3/4mm showing above top yoke.
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2003 RSV Streetfighter/Tuono thingy, and 2003 Multistrada.
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Spoonz
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Posted: 12 Feb 2014 at 12:14 |
Not enough fella, try going down to 3 or 4 rings and see what effect it has on your sag figures.
With the forks so high it must have messed with the trail somewhat. Does it feel a bit vague at the front |
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Italiatwin
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Posted: 12 Feb 2014 at 12:30 |
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Bikes been sorned since Oct 1st and removed fairing over winter so haven't ridden it with any 'Gusto' since.
Have just snatched the odd naughty bimble here and there (inbetween storms) and thought it felt a bit harsh. So as a starting point, how much would I drop yokes down forks ? Currently 3/4mm at the mo (assuming forks would be flush with top yoke as standard ?) |
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2003 RSV Streetfighter/Tuono thingy, and 2003 Multistrada.
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Spoonz
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Posted: 12 Feb 2014 at 13:05 |
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don't have a manual for your year to hand but the forks are never flush. I think about 3 rings is stock with a range of 2-4 for road/track
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Italiatwin
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Posted: 12 Feb 2014 at 13:24 |
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Spoonz
I'm not talking about rings......rings is preload. I'm talking about dropping the yokes down the forks. So..... I am assuming as standard the forks would be flush with the top yoke ? My forks are currently 3/4 mm above the top yoke, in other words the yolks have been dropped down the forks 3 to 4 mm |
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2003 RSV Streetfighter/Tuono thingy, and 2003 Multistrada.
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Spoonz
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Posted: 12 Feb 2014 at 13:34 |
nope i am talking about fork height not preload. all the rsv/tuono forks i have seen have have rings in the casting where the leg goes through the yoke. Each ring eqauls about 5mm of ride height from memory to help you set it without a measuring tool.
The forks are never flush with the yokes on any rsv or Tuono as stock. |
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Spoonz
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Posted: 12 Feb 2014 at 13:42 |
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Italiatwin
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Posted: 12 Feb 2014 at 14:00 |
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Ah ha, ok I'll have a look at my fork legs.......
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2003 RSV Streetfighter/Tuono thingy, and 2003 Multistrada.
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nikfubar
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Posted: 12 Feb 2014 at 14:03 |
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Hi I've converted my gen 1 to high bars, I have the OHLINS forks and standard is 4 rings showing above the top yoke so I dropped mine down so only 3 rings show above the top yoke (same as Tuono) otherwise it becomes too twitchy. I also backed off the fork preload to compensate for the reduced weight over the front. On the rear check the static sag & then sit upright on the bike & measure again, think it should be between 25 to 35mm of sag (sure someone will correct me if this is wrong Takes a bit of getting used to & a different riding style but I recon I can go just as fast as before |
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Italiatwin
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Posted: 12 Feb 2014 at 20:02 |
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Slight ball ache as my top yoke is very thick so I can't see if any rings on forks.
I'm guessing they are there, if not it sounds like I need to get 15-20mm of fork sticking out the top yoke and then set the sag from there. I'll let you know how it all works out, but probably not till storms pass.........so around June time then ! Cheers. |
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2003 RSV Streetfighter/Tuono thingy, and 2003 Multistrada.
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Italiatwin
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Posted: 18 Feb 2014 at 14:01 |
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Sure enough once I loosened the yokes the rings on the forks became visible.
Now got 3 rings showing above top yoke. Sag now seems about right, looking forward to a nice dry day so I can do a few miles and see how it feels. |
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2003 RSV Streetfighter/Tuono thingy, and 2003 Multistrada.
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fusebox
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Aprilia performance boss bloke Joined: 11 Feb 2008 Location: the shop..again Status: Offline Points: 3083 |
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Posted: 02 Mar 2014 at 21:28 |
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any news bud??
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Italiatwin
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Posted: 02 Mar 2014 at 21:46 |
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Taken a few steps forward.
Dropping the yokes down the forks seems to have given me a decent sag. Comp now 1/2 turn in. Rode it the other day and it feels better, smoother suspension and quicker steering. Need to go for a good quick ride on the twistys to really get a feel. Next month when it's taxed and hopefully the weather is better I'll get stuck in, but as I say, deffo got improvements. Thanks all for the advice. |
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2003 RSV Streetfighter/Tuono thingy, and 2003 Multistrada.
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Italiatwin wrote:
) & adjust the preload if it's out of this range. I left the compression & rebound damping as standard settings.