Ducati Monster Forum

Moto Board => Tech => Topic started by: Clickjack on September 16, 2008, 06:04:52 PM

Title: How often does your bike die?
Post by: Clickjack on September 16, 2008, 06:04:52 PM
I have a brand new S4R Testastretta.  I'm still breaking it in.  It has like 250 miles on it.  I've been varying the load on the engine, varying the gears and RPM's.  staying below 6K, and mostly keeping it between 4 and 5K.

My bike has died a few time for no reason.  Today while setting at a stop light after putting like 80 miles on it, it dies.  The Temp said it was 218 so it wasn't cold.      It hasn't happened much, maybe 3 or 4 times  but it just seem like it shouldn't be happening at all.  It always start right back up.

Also when do the fans on the Radiator come on?

This is my first Duc, so I don't really know whats is and isn't normal.
Title: Re: How often does your bike die?
Post by: Speeddog on September 16, 2008, 06:31:03 PM
The engines are pretty tight to begin with, so they are more prone to dying.

What's your idle running when the engine's up to temp?
If it's below 1100 or so, it'll be prone to dying.

Fans are spec'd to come on at 217 degF, so you've likely gotten it close.
The fans are very quiet and don't move much air, so unless you *look* at 'em, it's unlikely that you'll notice when they come on.

My S4 is a lot happier below 200 degF, above that it's a bit finicky.
Title: Re: How often does your bike die?
Post by: JustDucky on September 16, 2008, 06:36:34 PM
1500 miles on my S4Rs.  Dies occassionally too at idle or just off idle.  Usually just a little cough then silence. Even after so many years it still makes me feel like a noobie when it happens just as I start slipping the clutch.  Makes me glad for the times it does it when just idling.

FWIW my Buell did the same thing.  Little cough then nothing.  I'm interested in the response this ? gets.

At least you're not alone.......
Title: Re: How often does your bike die?
Post by: Goldeneye on September 16, 2008, 07:10:20 PM
'07 S2R 1000. Full Termi including ECU.

Never died.  Not once.  [thumbsup]

Don't know if that helps or hurts  ???
Title: Re: How often does your bike die?
Post by: Speeddog on September 16, 2008, 07:14:19 PM
Just want to clarify...

Clickjack, you have a regular S4R, not S4Rs or S4Rt, right?

S4Rs and S4Rt are different critters, as they have an idle air servo run by the ECU.

S4R is old-school style.
Title: Re: How often does your bike die?
Post by: aglanixp on September 16, 2008, 07:47:02 PM
I have never had mine die at idle, but it dies when downshifting.  Maybe 6 times in the last 1200 miles.  There is a little backfire (not the usual popping at decel) and then nothing.  It always starts right back up, but very unnerving when getting ready to take a turn.
Title: Re: How often does your bike die?
Post by: tangueroHondo on September 16, 2008, 08:07:44 PM
05 S2R stock everything.  5500mi.  Starts and runs perfectly. Idles fine 99.9% of the time.    Mine dies in two scenarios:

1.  I'm sitting at a stoplight, at idle, clutch in....'click' sound, then instantly...dies.  Starts right back up again. 

2.  Downshifting, gets to about idle speed...'click' sound, dies.   Starts right back up again. 

I took my kickstand kill switch off and cleaned it thinking maybe that was the culprit.  Nope.

Happened two times during an hour ride on Sunday.  Hasn't happened for a while before that.
Title: Re: How often does your bike die?
Post by: Clickjack on September 16, 2008, 08:26:50 PM
Quote from: Speeddog on September 16, 2008, 07:14:19 PM
Just want to clarify...

Clickjack, you have a regular S4R, not S4Rs or S4Rt, right?


It's an 07 S4R Testastretta.  Is that what you meant by S4Rt?
Title: Re: How often does your bike die?
Post by: Speeddog on September 16, 2008, 08:35:49 PM
Quote from: Clickjack on September 16, 2008, 08:26:50 PM
It's an 07 S4R Testastretta.  Is that what you meant by S4Rt?

Yes.

Idle speed is controlled by the ECU, with it adjusting how far 'open' the idle air valve is.

I'm not aware of how that can be altered.
It'll likely improve as the engine gets some miles on it and loosens up a bit.
Whether it'll be enough, though....
Title: Re: How often does your bike die?
Post by: Clickjack on September 16, 2008, 08:38:42 PM
So this isn't anything I should be worried about?

Title: Re: How often does your bike die?
Post by: Sleeper_I on September 16, 2008, 10:50:36 PM
Hehe, I was about to start this topic. Am I glad I'm not the only one with this problem, sorry ;D

I have a 696 and the last two night have been around 65 degree F. It never experience this low temperature since I got it. Both nights it died on the first try but started back up just fine. I did fully turn on the fast idle lever prior to starting it.  ???

It also once died when I down shift from 2 to 1 approaching a stop light in 80 degree F; started up just fine.

I'm sure I dont have the coil issue as I checked it myself.

I am easily paranoid when it comes to my ride. :'(

Sucks to hear this happens to quite a few here
Title: Re: How often does your bike die?
Post by: Bill in OKC on September 16, 2008, 10:59:23 PM
My S4Rs died quite often.  I thought I'd made a mistake buying it.  Then I bought the DP ECU about 1 1/2 years ago and it hasn't died a single time since.
Title: Re: How often does your bike die?
Post by: hypurone on September 17, 2008, 06:20:01 AM
Unfortunately, I think you're in for a long road with this until you decide to install an exhaust/ecu combo or just the ecu (eeek!). The bikes are SOOOO damn lean for the E3 emissions, it's not even funny. Though mine never died, it hated life at anything above 190 deg if I was trying to manage around town type stuff. When I did the install of my full Termi system and removed the stock pipes, the insides of the pieps and exhaust ports on the heads were pure white!! That's how lean it was running!!  :o

You'll have a much happier bike (and rider) once you get some fuel in there!  [thumbsup]
Title: Re: How often does your bike die?
Post by: EEL on September 17, 2008, 07:15:31 AM
My bike dies every time I hit the kill switch or pull the key out or have the kickstand down and in gear. Thats about it
Title: Re: How often does your bike die?
Post by: c_rex on September 17, 2008, 08:56:45 PM
2007 S4RS... never "dies".  Open airbox/stock ECU/Termi shorty on udder (for now).
Title: Re: How often does your bike die?
Post by: Bbrent on September 17, 2008, 09:39:32 PM
I have an '08 S4rt and it has died about 4 times with 1500 miles on it. I mostly have issues with the nuetral light not coming on and having to start it with the kickstand up and theclutch pulled in. Good times.
Title: Re: How often does your bike die?
Post by: DoubleEagle on September 17, 2008, 10:53:49 PM
I have a '07 S4Rs w/ full Termi exhaust , DP ECU, Open Air Box and it hasn't stalled and it has 4200 miles on it....but my '08 1098 R stalls when it reaches 219 degrees .

It starts right back up , but it is dangerous because it usually only happens in stop and go traffic .

It's very frustrating. My Ducati Tech told me that Ducati has there bikes setup to stall at 240 degrees so as to not damage the engine ...but I've not seen that in the manual and I don't think that is very safe for the rider of the bike if you were riding and the bike got that hot and just quit !   Dolph
Title: Re: How often does your bike die?
Post by: Sleeper_I on September 18, 2008, 12:26:42 AM
Quote from: Sleeper_I on September 16, 2008, 10:50:36 PM
I have a 696 and the last two night have been around 65 degree F. It never experience this low temperature since I got it. Both nights it died on the first try but started back up just fine. I did fully turn on the fast idle lever prior to starting it.  ???
Well, make tonight the third time it done this :(
Title: Re: How often does your bike die?
Post by: DosVerde on September 18, 2008, 03:53:11 AM
I have an S4Rt with 12,000km on it and it still dies if I don't warm it up in a certain way. This is what I've noticed.

When starting the S4Rt from cold it will fast idle, then enter a "rolling Idle" state until it hits 50 to 60 degres C, depending on the day. If l allow the rolling idle to complete and then ride off, the bike will not stall ;D

Now, if I'm in a hurry and I don't complete the rolling idle sequence before I ride off, I have to be very carefull when coming to a stop as the engine will likely die. I can combat this by selecting neutral before I come to a stop. Once in neutral the rolling idle sequence will continue. This can happen a number of times until the bike warms up enough.

I have also found that if I take off before the rolling idle sequence finishes and ride for a while, when I next come to a stop, even if the engine is at a good temperature, it will still want to continue the rolling idle sequence for a couple of seconds until the ECU detects that all is good. I have to watch for stall at this point too but then it's happy.

So I've learn't to adapt to this, either warm it up fully, or just watch out the first couple of stops (or off throttle applications) until the rolling idle sequence has finished. Then all is good.

BTW, the S4Rt is stock except for a Termi shorty.
Title: Re: How often does your bike die?
Post by: JustDucky on September 18, 2008, 04:50:05 AM
My Rs has full Ti Arrow system with DP ECU & open airbox, so its no assurance that the ECU will fix the problem.

Look at it this way - the occassional embarrassment helps to keep you from feeling too cool on your sweet ride.  At least for me it never seems to represent a safety issue nor does the bike ever have any problem starting right back up.
Title: Re: How often does your bike die?
Post by: angler on September 19, 2008, 02:05:37 PM
I've had an '05 S2R for about two months and have had two stalls, both when cold.  One happened on a quick run to the gas station after its first wash, down shifted and it died.  I think that one was related to the cold idle issue mentioned above.  It happened again yesterday.  I blipped the throttle with the clutch in leaving a parking lot to get a cage's attention and it died as soon as I brought the throttle down.  BTW, it has no cat and cored stock cans.  Glad I'm not the only one....
Title: Re: How often does your bike die?
Post by: stopintime on September 19, 2008, 02:51:04 PM
In my mind (maybe only there) it has something to do with the constant rpm - the engine will get lazy and not be awake when it must perform differently. I might very well be wrong, but I have had similar experiences with cars. Well, just a thought.
If I'm way off  :P +1 to what the others are saying ;)
Title: Re: How often does your bike die?
Post by: tangueroHondo on September 19, 2008, 08:46:54 PM
Quote from: angler on September 19, 2008, 02:05:37 PM
I've had an '05 S2R for about two months and have had two stalls, both when cold.  One happened on a quick run to the gas station after its first wash, down shifted and it died.  I think that one was related to the cold idle issue mentioned above.  It happened again yesterday.  I blipped the throttle with the clutch in leaving a parking lot to get a cage's attention and it died as soon as I brought the throttle down.  BTW, it has no cat and cored stock cans.  Glad I'm not the only one....

Mine has happened hot and cold (same unit - 05 S2R).  Does yours make a 'click' sound and then die?  Mine seems like an ignition cut-out: she just clicks and stops dead.  No faltering, stumbling, etc.  Idling fine......click...stall.  At least it's a very infrequent happening.
Title: Re: How often does your bike die?
Post by: Big T on September 20, 2008, 01:58:26 AM
I have the 07 S4RT as well. From new had that stalling issue occasionally with standard exhaust and ECU....  :-[

Then put on Zards with the DP ECU and now runs like F18 jet fighter....  [moto]
Title: Re: How often does your bike die?
Post by: angler on September 21, 2008, 10:12:11 AM
Quote from: tangueroHondo on September 19, 2008, 08:46:54 PM
Mine has happened hot and cold (same unit - 05 S2R).  Does yours make a 'click' sound and then die?  Mine seems like an ignition cut-out: she just clicks and stops dead.  No faltering, stumbling, etc.  Idling fine......click...stall.  At least it's a very infrequent happening.

I haven't notice a clicking sound, but I'll keep my ears open.  Both times it started right back up.
Title: Re: How often does your bike die?
Post by: Sleeper_I on September 24, 2008, 01:34:14 AM
Quote from: Sleeper_I on September 18, 2008, 12:26:42 AM
Well, make tonight the third time it done this :(
I called up my dealer and they say it's because the engine is still very tight and breaking in.

But it still bothers me because it have trouble starting on the first, alot of time second, tries whenever it is below 75 degree f out. On top of that as soon as the engine cease I heard a loud pop as if someone just open a champagne bottle. Sounds like a late detonation. Any clue on this weird pop?
Title: Re: How often does your bike die?
Post by: Howie on September 24, 2008, 07:21:23 AM
Quote from: Sleeper_I on September 24, 2008, 01:34:14 AM
I called up my dealer and they say it's because the engine is still very tight and breaking in.

But it still bothers me because it have trouble starting on the first, alot of time second, tries whenever it is below 75 degree f out. On top of that as soon as the engine cease I heard a loud pop as if someone just open a champagne bottle. Sounds like a late detonation. Any clue on this weird pop?

Don't accept that anwer from your dealer.  Stalling is not normal.  The "pop" is probably a back fire in the air box.
The cause is probably either reversed coil wires or a minor adjustment.
Title: Re: How often does your bike die?
Post by: DosVerde on October 09, 2008, 06:54:48 PM
Quote from: DosVerde on September 18, 2008, 03:53:11 AM
I have an S4Rt with 12,000km on it and it still dies if I don't warm it up in a certain way. This is what I've noticed.

When starting the S4Rt from cold it will fast idle, then enter a "rolling Idle" state until it hits 50 to 60 degres C, depending on the day. If l allow the rolling idle to complete and then ride off, the bike will not stall ;D

Now, if I'm in a hurry and I don't complete the rolling idle sequence before I ride off, I have to be very carefull when coming to a stop as the engine will likely die. I can combat this by selecting neutral before I come to a stop. Once in neutral the rolling idle sequence will continue. This can happen a number of times until the bike warms up enough.

I have also found that if I take off before the rolling idle sequence finishes and ride for a while, when I next come to a stop, even if the engine is at a good temperature, it will still want to continue the rolling idle sequence for a couple of seconds until the ECU detects that all is good. I have to watch for stall at this point too but then it's happy.

So I've learn't to adapt to this, either warm it up fully, or just watch out the first couple of stops (or off throttle applications) until the rolling idle sequence has finished. Then all is good.

BTW, the S4Rt is stock except for a Termi shorty.

UPDATE: Since I wrote this I have had the 12,000 km service done at which they also "tuned" it. I tell you, it's a much better beast now. The rolling throttle is still there, but not as pronounced, and it seems to get to it's normal idle a lot quicker. I can take off cold without fear of it stalling when stopping. I think I'm getting slightly better economy as well, but I'll let you know for sure after I give it a couple of fills.  [moto]

Title: Re: How often does your bike die?
Post by: Sleeper_I on October 10, 2008, 12:08:23 AM
Quote from: howie on September 24, 2008, 07:21:23 AM
Don't accept that anwer from your dealer.  Stalling is not normal.  The "pop" is probably a back fire in the air box.
The cause is probably either reversed coil wires or a minor adjustment.
alright,... my scooter went in for the 600 mile service two weeks ago. The mech said everything is fine with the bike. Since then, my scooter haven't stalled or pop any champagne bottle while starting up in the even colder temp now. It still does hesitate a little at start up but no stalling. The mech must of adjusted something since I did mention the starting trouble to him. I did notice my idle speed is at ~1300rpm now where it was at ~1200rpm...hmmm
Title: Re: How often does your bike die?
Post by: MAXdB on October 24, 2008, 04:28:31 PM
For me, this usually happens shortly after starting my bike probably within a minute or so. and I so i thought about the things that I could be doing that might cause it.. I find that this usually happens when I rev the engine w/the clutch pulled in (...what?! I cant help it.. it just sounds so good) just before turning it off--maybe that causes extra gas to go in to the cylinders  ??? i dont know, but im guessing it somehow affects the air/fuel mixture when the bike is turned back on later and therefore causing the engine to die.. since I've made a conscious effort not to rev the bike right before turning it off I surprisingly havent had the bike die on me again... just a theory...
Title: Re: How often does your bike die?
Post by: NorDog on October 26, 2008, 12:30:39 AM
I have an '07 S4RS, full DP Termi kit, and about 2500 miles on the odometer.  On about three occasions I have had it die on me, all three were under the exact same conditions:

Bike fully warmed up, in first gear, waiting to make a unprotected left turn under "sketchy" conditions if you know what I mean.  Since I must accelerate with authority in order to make the turn without becoming a road pizza under some truck I was blipping the throttle to keep the revs up.  Right about the time I decided to let the clutch lever out and haul some (_!_) the engine dies and there is a very brief noise that sounds like what happens when you hit the starter button with an engine already running.  The seems like the sound happens in the fraction of a second AFTER the engine dies.

The bike starts right up immediately every time.  So far I've not been run over.

I mentioned this to the service guy at the dealer in Scottsdale, AZ.  He was at a loss as to what it could be (probably thought I was one of those crazy customers with over active imaginations), but he ventured that perhaps the throttle blipping was confusing the ECU.

Me?  I have NO idea what it's all about.
Title: Re: How often does your bike die?
Post by: Speeddog on October 27, 2008, 10:31:01 AM
The odd noise after the engine dies is likely due the engine turning backwards, when it does that it 'backdrives' the starter.

Possibly the bike is still a little lean at low throttle openings, makes 'em more likely to blow the fire out like that.

What does it idle at when fully warmed up?
Title: Re: How often does your bike die?
Post by: NorDog on October 27, 2008, 10:36:21 AM
Quote from: Speeddog on October 27, 2008, 10:31:01 AM
The odd noise after the engine dies is likely due the engine turning backwards, when it does that it 'backdrives' the starter.

Possibly the bike is still a little lean at low throttle openings, makes 'em more likely to blow the fire out like that.

What does it idle at when fully warmed up?

That sounds like reasonable theory; probably the right one too.

Will have to check the warm-up idle speed.
Title: Re: How often does your bike die?
Post by: damianS4RS on October 27, 2008, 01:00:33 PM
Quote from: NorDog on October 26, 2008, 12:30:39 AM
I have an '07 S4RS, full DP Termi kit, and about 2500 miles on the odometer.  On about three occasions I have had it die on me, all three were under the exact same conditions:

Bike fully warmed up, in first gear, waiting to make a unprotected left turn under "sketchy" conditions if you know what I mean.  Since I must accelerate with authority in order to make the turn without becoming a road pizza under some truck I was blipping the throttle to keep the revs up.  Right about the time I decided to let the clutch lever out and haul some (_!_) the engine dies and there is a very brief noise that sounds like what happens when you hit the starter button with an engine already running.  The seems like the sound happens in the fraction of a second AFTER the engine dies.

The bike starts right up immediately every time.  So far I've not been run over.

I mentioned this to the service guy at the dealer in Scottsdale, AZ.  He was at a loss as to what it could be (probably thought I was one of those crazy customers with over active imaginations), but he ventured that perhaps the throttle blipping was confusing the ECU.

Me?  I have NO idea what it's all about.


That EXACT scenario is when my bike decided to poop out. I was assuming it was the heat. I live in Miami and stop and go traffic does not make the engine happy. I thought she just overheated, but she fired right back up. Thankfully it only happened once.
Title: Re: How often does your bike die?
Post by: NorDog on November 19, 2008, 07:21:55 PM
bump

Well my bike started stalling at idle more frequently, and the low speed performance was going from bad to worse.  Cruising through a large parking lot was a nightmare, heck, anything under about 28 mph was very erratic.

Took it to Scottsdale Ducati.  They check it out and fixed it in about 30 minutes.  Said the throttle position sensor needed adjustment, as well as a trigger something thingamajig in the ECU.

Runs like a champ now and idles just right.