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baggerman said:
Go back and find the 22 revision chassis changes. If memory serves me well 5mm up both ends (CG change), softer rear spring, so more rear preload (but I thought they went to an 85), and the SA pivot change. The first time I flipped the bike up on the front stand I realized how much more weight they're getting on the front relative to the twins. So don't change the rear spring yet (try it) particular if you can hit your sag numbers. Since the fronts loaded up more than the twins the trail everyone seems to gravitate to is about 98mm. I think going to the 22 CG helps and when you raise both ends at once you get a little more anti-squat.
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You guys are making this harder than it needs to be lol. The lighter spring on the newer model was due to the higher swingarm pivot....they need LESS spring because the bike has MORE anti-squat.

Also, RAISING the bike doesn't give you MORE anti-squat, however, it does load the tires more.....which is different.
 
roadracerx said:
You guys are making this harder than it needs to be lol. The lighter spring on the newer model was due to the higher swingarm pivot....they need LESS spring because the bike has MORE anti-squat.

Also, RAISING the bike doesn't give you MORE anti-squat, however, it does load the tires more.....which is different.
Click to expand...

I don't do any of this I simply keep changing stuff until the bike works like I want. Raising the rear or both ends raises the SA pivot relative to the axles centerlines so more anti-squat. SA is sitting at a greater angle (not much but some).
 
roadracerx said:
The lighter spring on the newer model was due to the higher swingarm pivot....they need LESS spring because the bike has MORE anti-squat.
Click to expand...
so by this logic, i would think upping all the way to 100n wont be needed, even though that spring listed for my weight...
cant wait to chat about it on Thursday mate, thanks again for your help
JAG
 
I don’t remember there being a spring change with the 2022+ bikes that IIRC had the swingarm pivot height change. One would need a spreadsheet to keep track of all this, but rather the spring change went from 95 to 85, and had more preload dialed in from the factory, starting with the 2020 MY when they went to the wide body fairings.
 
craig bush said:
I thought raising the bike increases swingarm angle thereby also increasing anti-squat?
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There are many ways to raise a bike so it depends but it is not the case that any raise equals more anti-squat....also you could feasibly raise the rear and then go with a taller gearing ratio and negate any anti-squat benefits from changing the swingarm angle.....
 
Whichever spring the bike came with as std is irrelevant. It needs to corrected to his weight pretty much like all ducatis along with what leverage set up the bike has.
 
roadracerx said:
This isn't accurate but ok.
Click to expand...

It's a geometry thing. My comment from the beginning was that the 20 set-up was a better place to start from. Since that's what he has he should ride it in anger with tires of choice before doing anything like changing the rear spring. I have total confidence that you can get on to most anything and understand what it needs in a lap or two. Comes with experience.
 
The solution is ALWAYS the same with any bike, new or used. Set the sag properly on a level bike taking stiction into account. Make sure the chain has the recommended slack and use quality new tires.....go ride the bike and report back with issues and I will help. This thread is heading in all sorts of directions.
 

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