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Old Jun 3rd 2018, 08:38 AM   #11
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Originally Posted by cpekz View Post
Seems kind of odd though that it took ~2700 miles for that to happen. Id expect that to manifest relatively quickly (immediately?) given the explanation. Then again, Im not an expert in this stuff.
I thought the same thing. There is a possibility it isn't from the spacers, that maybe the throttle just didn't reset fully when I parked it so the bike was started with it slightly cracked open. If I put the bike in neutral and apply throttle, I noticed there's a few millimeters of rotation (not slack, but actual tube rotation) before the bike actually gives it more gas. It appears to have a "dead zone" of sorts, the question is if the electronics know about the dead zone and still get readings of throttle position within it, or if they only perceive movement past it (when it actually gives it gas).

I haven't gotten around to removing them yet because I'm trying to locate the tri-winged bit you need for two of the throttle housing screws, but I haven't had any more issues in the 4-5 times I've started it since. However, I will likely remove them anyways because I do track the bike and a friend told me the reason why he never uses them is because they technically limit the bike from achieving true full throttle.

It is a shame the slack isn't adjustable because it's absolute insane how much of it exists in the stock throttle. I'm military so I have to navigate through a gate every day for work, which is a lot of playing the "slow race" game. With all that slack in the throttle, extremely slow maneuvers are very difficult.
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Old Jun 3rd 2018, 09:12 AM   #12
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For the V2 at least, 100% throttle is possible and can be seen on the DDA+ downloads.
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Old Jun 3rd 2018, 09:12 AM   #13
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Close to 10K miles on my 1299s with throttle spacers without a glint of issue.
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Old Jul 2nd 2018, 08:16 PM   #14
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Just an update on this, I started getting more issues with the bike having a difficult time starting. Battery voltage was good, starter was turning over like normal, everything seemed to be working right but the bike seemed to have a fueling issue like if you try to start a bike with the throttle open. After not having fun bump starting the bike to get to/from work, I took out the throttle spacers and the issue has not repeated itself.

They may work just fine for the 1299 and other bikes, but something about the way the V4 initializes the TPS simply does not like them.

Also, bumping a bike with a slipper clutch is not fun. Maybe it's also because of the issue from the spacers, but it took dumping the clutch in 3rd at 12-15mph before it really got turning over. Would not recommend.

Last edited by MaverickiB; Jul 2nd 2018 at 08:18 PM.
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Old Jul 3rd 2018, 07:55 AM   #15
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Have it on my 1199. Ok so far. Maybe wasnt pressed in all the way causing to drag? Or can file /sand thinner? Is the v4 throttle different?
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Old Jul 3rd 2018, 04:23 PM   #16
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Originally Posted by Rayzor View Post
Have it on my 1199. Ok so far. Maybe wasnt pressed in all the way causing to drag? Or can file /sand thinner? Is the v4 throttle different?
The V4 throttle seems to be the same as the 1199/1299 in design, but I think maybe the TPS itself or related software functions differently. For some reason, with the spacer, it sometimes initializes the throttle in a position other than its actual zeroed position causing fueling issues.
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Old Jul 5th 2018, 01:31 PM   #17
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Originally Posted by BSR1 View Post
Maybe he needs to make them from a harder (less pinchable) material, some kind of metal.
I too am using them but haven't had any trouble yet.
The original spacers that Brian at Boulder Motorsports designed and made were machined from hard plastic, rather than cast, they were very high quality.
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Old Jul 5th 2018, 08:25 PM   #18
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Put them back and perform a TPS reset.
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Old Jul 5th 2018, 09:03 PM   #19
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Originally Posted by MotoMillion View Post
Put them back and perform a TPS reset.
Ducati did a TPS reset the first time I had issues. The problem came back another thousand miles or so after that, so I had them removed. Panigale Spacers got into contact with me and offered a refund, he was very easy to work with and understanding. After looking at the spacers now that they are removed, it appears they were "squished" vertically which made them bulge out at the sides and take up more room than they originally did. I think they just gradually got more and more deformed until the spacing was big enough to mess with the throttle reading a 0 percent position (or lack thereof). The first issue was at 2200 miles or so, and again recently at 3500 or so. Not sure if many people have that many miles on theirs already with the spacers, so it's worth considering.

It may be specific to my bike, maybe specific to my set of spacers, no real way to tell. Either way, I'm just going to live without them instead of risking having to bump start a slipper clutch bike again sometime in the future. It wasn't fun at all.
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Old Jul 19th 2018, 06:45 AM   #20
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Hey guys! Kevin with Ducati Spacers here. Just wanted to share this quick video I made regarding this issue:



It's entirely possible that MaverickiB's throttle housing and/or spacers had some manufacturing anomaly that caused an issue. But we've had the kit installed on hundreds of V4's without issue, and under normal circumstances, it's not mechanically possible for the spacers to interfere with the bike's ability to return to 0% throttle. Please check out the vid, if you haven't already!
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