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2019 950 Stalling issues

64825 Views 290 Replies 58 Participants Last post by Noizz, 3 mo ago

PNorris

Discussion Starter · Aug 5, 2019

So, I got the bike back from my dealer with an "update." The bike now stalls frequently. If you pull in the clutch when the revs are above say 4-5k the engine just stalls. The only way to keep it stalling coming to a light is to let the revs drop really low before you pull in the clutch. Obviously, this is totally unacceptable, as it stalled about 5-6 times on me yesterday and then gave me a hard time restarting each time. Also, when I stopped for fuel it gave me a hard time restarting. Is anyone else experiencing this. The dealer is getting a call today. Surprisingly, they are actually open on Mondays.

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Groop

· #281 · May 26, 2022

So my first post here. Hello everyone. I joined this forum because I had the same issue with my 2020 Hyper SP. I have a dozen street legal motorcycles from different makers, including a 2001 M900S. I am familiar with the Ducati nuances. What I was not prepared for were the issues other on this thread that others have already done an outstanding job explaining.
What I have to offer to this thread is this:…
1. I picked up the bike (after 3 weeks) today.
2. After requesting, the service manager showed me photos of what they saw.
3. The throttle bodies and plates looked like they were caked in pancake batter. Seriously, I have personally rebuilt vintage motorcycles. I do my own maintenance. I have seen carbs that were covered in decades-old varnish. I have never seen this. I only use the highest octane fuel available in CA. My bike has 1600 miles (thanks Covid, and the other bikes). Nothing more than E10.
So, we‘ll see if this does the trick. By the before and after photos, I am hopeful.
Even though the bike was technically out of warranty, Ducati picked up the tab. Reviewing this thread reveals to me two different types of dealerships: Those that have seen it it and will advocate for their customer, and those that are “seeing” it for the first time.
I recommend you find the former

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Tango

· #282 · May 26, 2022

My wife’s has done it 3 times now and enough was enough so we bought a couple of new 701 huskies to ease the pain as she had lost all faith in it and damaged hers and mine view of the brand.. bad bad ducati!!

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StealthAu

· #283 · May 26, 2022

Groop said:
3. The throttle bodies and plates looked like they were caked in pancake batter. Seriously, I have personally rebuilt vintage motorcycles. I do my own maintenance. I have seen carbs that were covered in decades-old varnish. I have never seen this. I only use the highest octane fuel available in CA. My bike has 1600 miles (thanks Covid, and the other bikes). Nothing more than E10.

I don't have a hyper, but am assuming their injectors are above the throttle bodies like other Ducatis, spraying onto the blades.

I've seen my share of gunked up carbs. Common factor, ethanol fuel and periods of inactivity, even just 10% ethanol. If the bike is ridden on the regular, no issue. Leave it sit for a while and it's time for a carb clean.

It sounds like this may be related to your problem.

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xlenduroman

· #284 · 11 mo ago

I posted this in another thread. I think it could be relevant to the stalling issues:

I finally bypassed ([email protected]) the evap canisters on our 2020 Hyper's, after a year of owning the bikes, and some unwanted stalling now and then. I used the Smart Moto kits. I only removed the evap valves from the bikes and left everything else on the bikes. In case they ever need to go to the dealer for remaining warranty work I could easily put the evap system back in order, and it would have been a lot more work to remove the entire airbox to remove everything properly. I used the supplied Smart Moto bolt, with a reusable clamp off the evap valve to securely plug the Y line to the intake. Installed the Smart Moto resistor in place of the valve. Up top I slid the atmosphere hose down and joined the two ports with some fresh hose and a T. I capped both ends of the evap system with some bolts and tucked them away. There is a drain hose on the evap can that I did not plug, so i figured it is good. When I pulled the evap valve from the bike there was wet fuel residue in the hose on both sides of the valve. I also installed new air filters (they needed it) and inspected the throttle bodies at the time, expecting the crusty worst. I was Stoked to see the throttle bodies on both the bikes were clean and clear with NO crust. I did recently start using the Green Lucas Oil ethanol treatment in the bikes. Only a couple of tanks of gas with it so far.

I then got out on my Hyper with some normal spirited riding, some stop and go traffic lights, and...what do you know... the bike did not stall or even appear like it wanted to stall once. I would think anyone with a stalling Hyper 950 should take the time to pull the tank and air box lid and inspect the tb's for crust. If there is none, maybe a new air filter AND bypassing the evap my be the easy fix. So far so good with my 2020. Wheelie on!

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Lucky-Husband

· #285 · 7 mo ago

Hey guys, I used to have the stalling problem on my 2019 hypermotard 950. It was annoying as hell and every time it happened it always gave me starting issues. It would always start but it took a few tries.
I learned 2 things and it has cleared up the issue.
1. Always use non ethanol gas. I sometimes I might not start my bike for a month. And when I have the chance I might drive it everyday for a week.

2. This bike runs awesome when the engine gets up to temp. You gotta let it warm up and I have no issues.

Owning a Ducati is no different than having a high maintenance wife or a supermodel girlfriend. You gotta give them attention and spend money on them. If you can’t afford one buy Japanese. They don’t require as much attention or maintenance but you’ll never get the attention, looks, or compliments as you do on your Italian Ducati. And if your really into self punishment buy a Ferrari!!!!!

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xlenduroman

· #286 · 7 mo ago

Lucky-Husband said:
Hey guys, I used to have the stalling problem on my 2019 hypermotard 950. It was annoying as hell and every time it happened it always gave me starting issues. It would always start but it took a few tries.
I learned 2 things and it has cleared up the issue.
1. Always use non ethanol gas. I sometimes I might not start my bike for a month. And when I have the chance I might drive it everyday for a week.

2. This bike runs awesome when the engine gets up to temp. You gotta let it warm up and I have no issues.

Owning a Ducati is no different than having a high maintenance wife or a supermodel girlfriend. You gotta give them attention and spend money on them. If you can’t afford one buy Japanese. They don’t require as much attention or maintenance but you’ll never get the attention, looks, or compliments as you do on your Italian Ducati. And if your really into self punishment buy a Ferrari!!!!!

That is good news, for you. I hope yours stays stall free.

Here in California we have that corn syrup in our gas (ethanol).
We always warm our bikes up. They would still often stall when we would be coming to a stop. Hers not so much, but one stall is to many.
For us and our Hypers, eliminating the evap system was the one and only fix.

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Lucky-Husband

· #287 · 7 mo ago

Brother I hear ya, a pro told me i could fix the problem with a racing chip and new exhaust. Which then makes the bike not street legal, not a problem here in Florida but not an option in CA. You have those fucking emission tests. I also didn’t want to blow up my warranty till it expired, which that does. You could always try running racing fuel for awhile, its a little more expensive but it’s not like your filling up your Ford F-150. See if that helps. Just get a couple of five gallon jugs and keep them around, the stupid gas tank only holds a spit of gas anyways. Funny I did a quick search for normal pump high octane gas in CA and the even add ethanol to that! WTF?

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STLHyper950sp

· #288 · 5 mo ago

Well, I have a 2022 Hypermotard SP that is going back to the dealer to have the tank removed and the throttle bodies checked. I would hope the tanks are still not an issue but as of now, that's what they are recommending to at least confirm or rule it out. Bike runs rough above 5k rpm and surges and sputters. Its been back once already and the updated the ECM with new software and it ran better but over the course of another 1k miles it just keeps running worse. On a positive, the dealer is awesome and easy to work with, I hope whatever the issue is Ducati gets these sorted on the next version of Hypermotards.

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mondoitalia

· #289 · 4 mo ago

Just bought a used 2020 Hypermotard 950 with just over 1k miles. On my first ride, it stalled on me, but i thought it was me. Well, on my third ride it started stalling whenever I got off the gas. Both days, it was pretty cold, and the engine did not get up to operating temperatures. After a few days of testing it at idle on the driveway, I realized that the problem did not occur when the engine was fully hot. When the engine was cold, even after running for about 5 minutes, the problem was horrible. Twist the throttle, and let go, and it would stall. A few posts said to look at the throttle bodies, so I took the tank, etc. off. The top of the throttle bodies didn't look bad, but the underneath was amazingly bad (see pics). Cleaned all the gunk off, and she runs great, so far, lol.

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DaveAu

· #290 · 4 mo ago

xlenduroman said:
I posted this in another thread. I think it could be relevant to the stalling issues:

I finally bypassed ([email protected]) the evap canisters on our 2020 Hyper's, after a year of owning the bikes, and some unwanted stalling now and then. I used the Smart Moto kits. I only removed the evap valves from the bikes and left everything else on the bikes. In case they ever need to go to the dealer for remaining warranty work I could easily put the evap system back in order, and it would have been a lot more work to remove the entire airbox to remove everything properly. I used the supplied Smart Moto bolt, with a reusable clamp off the evap valve to securely plug the Y line to the intake. Installed the Smart Moto resistor in place of the valve. Up top I slid the atmosphere hose down and joined the two ports with some fresh hose and a T. I capped both ends of the evap system with some bolts and tucked them away. There is a drain hose on the evap can that I did not plug, so i figured it is good. When I pulled the evap valve from the bike there was wet fuel residue in the hose on both sides of the valve. I also installed new air filters (they needed it) and inspected the throttle bodies at the time, expecting the crusty worst. I was Stoked to see the throttle bodies on both the bikes were clean and clear with NO crust. I did recently start using the Green Lucas Oil ethanol treatment in the bikes. Only a couple of tanks of gas with it so far.

I then got out on my Hyper with some normal spirited riding, some stop and go traffic lights, and...what do you know... the bike did not stall or even appear like it wanted to stall once. I would think anyone with a stalling Hyper 950 should take the time to pull the tank and air box lid and inspect the tb's for crust. If there is none, maybe a new air filter AND bypassing the evap my be the easy fix. So far so good with my 2020. Wheelie on!

Cheers all, there is strong merit in these words as I recently did a charcoal canister-ectomy on my V4SMS. After a number of decent rides over the last couple of months I had all but forgotten about the irregular odd running symptoms and I have 100% confidence in the bike not stalling in traffic, as it was infrequently prone to do or try to.

This post reminded me and I recommend bypassing the evap canister. I have used SDMoto before and recommend them also.

There are several ways, but easiest is to leave everything in place and just block the purge valve vacuum hose, so fuel rich vapours are no longer ingested by the engine at irregular times. You could test this first by clamping that line shut and test riding.......

BTW there is no need to substitute the purge valve with a resistor - just leave it OEM connected and push a plug into the hose to the evap canister so it no longer sucks excess vapours from the canister into the motor. The ecu will still get a signal telling it the purge valve is still there.

The purge valve is vacuum pulse driven, not electrically powered.

Use the kit if you want to remove all excess hardware and tidy the bike, but the stock valve becomes it's own resistor once the line to the canister is plugged. Be sure the vacuum line is plugged so the purge valve can't suck dirty air into your motor (if you don't remove it).

I could have saved myself a lot of work had I thought it through better - live and learn hey......

Your Ducati will suddenly, miraculously, run as it should......(unless yours has some other issue)

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