Ride height adjustment on a SFV4S

baggerman · Nov 30, 2023

Alkhater said:
Measured my bikes swingarm lengths end to end as center to center would be impossible without disassembly.

'21 SF - 710mm
'22 P - 690mm

Wasn't measured with a vernier caliper but it's as near as 20mm difference in length.

Official website indicates the SF wheelbase is 1488mm, P V4 is 1469mm... 19mm. This is inline with my measurements if the difference in wheelbase is solely attributed to the difference in swingarm lengths.

Thanks. Now I'm totally confused as a 2 degree change at the head also makes the wheelbase longer.

andyb said:
EBay here SF SA circa £750
Pierobon I bet is around £2500-3000 plus the wait and import tax!

It sound likes I'll be going to a Pani SA. All reporting parts seem to be the same except one of the SA pivots. So, if you're interested I'll sell you mine for the same amount I pay for the Pani one. Steven wanted $750 for his Pani one. Shipping may be the issue.

SuperDomestique said:
How is this even relevant to the original topic?

Totally relevant as were talking about trying to get the SF's to turn like a Pani.

andyb · Nov 30, 2023

Money no object or top end performance on a pani v4 a longer swing arm is the way to go … so within the original thread topic seeking a better performance, why would you sacrifice the benefit the longer SF Swing arm would provide and change it as has been suggested ….

baggerman · Nov 30, 2023

Alkhater said:
Measured my bikes swingarm lengths end to end as center to center would be impossible without disassembly.

'21 SF - 710mm
'22 P - 690mm

Wasn't measured with a vernier caliper but it's as near as 20mm difference in length.

Official website indicates the SF wheelbase is 1488mm, P V4 is 1469mm... 19mm. This is inline with my measurements if the difference in wheelbase is solely attributed to the difference in swingarm lengths.

Would you mind actually measuring your SF's wheelbase as mine is apart. Thanks.

andyb · Nov 30, 2023

baggerman said:
Thanks. Now I'm totally confused as a 2 degree change at the head also makes the wheelbase longer.

It sound likes I'll be going to a Pani SA. All reporting parts seem to be the same except one of the SA pivots. So, if you're interested I'll sell you mine for the same amount I pay for the Pani one. Steven wanted $750 for his Pani one. Shipping may be the issue.

Totally relevant as were talking about trying to get the SF's to turn like a pani

The SF SA is 20 mm longer than a panigale

SuperDomestique · Nov 30, 2023

baggerman said:
Thanks. Now I'm totally confused as a 2 degree change at the head also makes the wheelbase longer.

It sound likes I'll be going to a Pani SA. All reporting parts seem to be the same except one of the SA pivots. So, if you're interested I'll sell you mine for the same amount I pay for the Pani one. Steven wanted $750 for his Pani one. Shipping may be the issue.

Totally relevant as were talking about trying to get the SF's to turn like a Pani.

Wouldn’t going to a Panigale swingarm decrease ride height (due to it being shorter) and therefore increase rake make the steering more slack and slow?

baggerman · Nov 30, 2023

andyb said:
Money no object or top end performance on a pani v4 a longer swing arm is the way to go … so within the original thread topic seeking a better performance, why would you sacrifice the benefit the longer SF Swing arm would provide and change it as has been suggested ….

I want it shorter and steeper so it'll turn harder. More length means more lean angle so less corner speed.

baggerman · Nov 30, 2023

SuperDomestique said:
Wouldn’t going to a Panigale swingarm decrease ride height (due to it being shorter) and therefore increase rake make the steering more slack and slow?

Depends on any difference in the shock mount and pivot linkage. Might but I'll tune it out anyway.

SuperDomestique · Nov 30, 2023

Again, why didn’t you just buy a Panigale and put risers on it??? Your life would be so much easier. It’s like you’re turning the SF into a pretzel just to get geometry that is stock on another bike.

As for you go-getters thinking of swapping swingarms. Good luck with that. It’s like you don’t think that Ducati would’ve thought of this. Minimizing sku’s and consolidating parts would be one of the biggest factors why they would want share parts. But they don’t. And I’m sure there are plenty of reasons why they don’t.

andyb · Nov 30, 2023

The streetfighter set up achieved one thing, the panigale set up achieved another.

The thing is if you had been around Ducati’s long enough obviously with the correct engineering acumen, you would have already experienced or experimented with a variety of items that will swap over from model to model To improve on the original spec!

1198 motor into a 996-999
1098 swing arm linear rocker and TTX shock
into a 748-998 frame
Wide track yikes and forks into a 748-999

It goes on and on

SuperDomestique · Nov 30, 2023

andyb said:
The streetfighter set up achieved one thing, the panigale set up achieved another.

The thing is if you had been around Ducati’s long enough obviously with the correct engineering acumen, you would have already experienced or experimented with a variety of items that will swap over from model to model To improve on the original spec!

1198 motor into a 996-999
1098 swing arm linear rocker and TTX shock
into a 748-998 frame
Wide track yikes and forks into a 748-999

It goes on and on

You have an engineering degree now?!>?!>!

andyb · Nov 30, 2023

SuperDomestique said:
You have an engineering degree now?!>?!>!

How is this even relative to the original thread?

baggerman · Nov 30, 2023

I compared the linkage parts diagrams and the only change is the tie rod. So the pick-up has been moved to compensate for the length. This allows the use of the identical shock. You guys are setting the bikes up to get it stood up to get on the gas. I can totally get that. But I need the bike nimble to dodge stuff. If this was being used on the track I won't change the swingarm.

andyb · Nov 30, 2023

baggerman said:
I compared the linkage parts diagrams and the only change is the tie rod. So the pick-up has been moved to compensate for the length. This allows the use of the identical shock. You guys are setting the bikes up to get it stood up to get on the gas. I can totally get that. But I need the bike nimble to dodge stuff. If this was being used on the track I won't change the swingarm.

What’s different about the tie rod … other than length?

SuperDomestique · Nov 30, 2023

andyb said:
How is this even relative to the original thread?

We obviously know you don’t have an English degree…

It’s RELEVANT because you’d be able to do the maths to figure out how all the differences between Pani and SF equal up to the same rake and trail. So hop to it with your “engineering acumen”!

andyb · Nov 30, 2023

there you go being relevant again...

SuperDomestique said:
We obviously know you don’t have an English degree…

It’s RELEVANT because you’d be able to do the maths to figure out how all the differences between Pani and SF equal up to the same rake and trail. So hop to it with your “engineering acumen”!

while you are at it post a pic of a bike you have modified or build or swapped part about on...

baggerman · Nov 30, 2023

andyb said:
What’s different about the tie rod … other than length?

Nothing. All other linkage parts are the same. The right hand pivot is a different part # but the hangers are the same. The caliper is a different part # but the hanger is the same. As are all the other hub parts.

baggerman · Nov 30, 2023

SuperDomestique said:
We obviously know you don’t have an English degree…

It’s RELEVANT because you’d be able to do the maths to figure out how all the differences between Pani and SF equal up to the same rake and trail. So hop to it with your “engineering acumen”!

I have been trying to see how Ducati could end up with needing to, if the head is actually 24.5, add 2 degrees and 2 mm to a head that's 22.5 and 98 mm. Accept that it's actually 26.5. and 102 mm.

SuperDomestique · Nov 30, 2023

You sure those tie rods are longer? Seat height betwixt the SF and Pani is -5 mm for the SF. Those tie rods could be shorter to account for this. But you’ll only know if you put them side by side.

SuperDomestique · Nov 30, 2023

andyb said:
there you go being relevant again...

while you are at it post a pic of a bike you have modified or build or swapped part about on...

Cmon andy don’t be shy. Flex that engineering acumen.

If you want a photo of my bike just go on the Ducati website. It’s pretty much stock and nothing special unlike your sticker adorned masterpiece with binding swingarm

andyb · Nov 30, 2023

SuperDomestique said:
Cmon andy don’t be shy. Flex that engineering acumen.

If you want a photo of my bike just go on the Ducati website. It’s pretty much stock and nothing special unlike your sticker adorned masterpiece with binding swingarm

yeah we have seen...... and you can't even mount a seat without a mass panic..let alone bolt a wing mirror back on successfully!

Ride height adjustment on a SFV4S

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