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As there has been a lot of talk about the noise some of our beloved Ducati Scrambler 1100's make I decided to dive in to it and make a central thread to keep things more organised. Please chime in and those who fear they have it please post video's and what the dealer is saying about it. Part of the reason is also that I want to clear things up and stop people from making each other crazy on what's really going on.
I would also love to know if the engines that get rebuild actually show damage inside the old cilinder to give more insight on the problem and maybe take away some of the uncertainty that is going on with people that are faced with this problem.
This is my take on it for the moment but I'm by no means educated on the matter or a mechanic.
I've been reading up on the piston slap issue and as it turns out it's a very common problem that happens in a lot of engines of lots of brands, doesn't matter if it is a V2, V6, V8 or 4 in line configuration.Also there are many known (car)engines that have been known for their piston slap issues and what the results are in the long run.
Ducati's have been having it like forever on the horizintal cilinder for some reason at least that's the cilinder where the sound is the most noticeable.
The sound normally is the worst when the engine is cold and lots of times when the engine gets warmer the piston becomes a tiny bit larger and the sound gets less or dissapears.
When the slap is bad it will cause wear on the cilinder wall but this isn't always the case and I've read stories of people riding around with that noise for ten thousend and even hundred thousend of miles without any real problems.
From what I've heard the new part is said to have some teflon part on the inside or outside of the piston wich makes me wonder if this does anything at all to cure the real cause of piston slap(wich I seriously doubt) or just masks the sound by deadening the wall of the piston so it doesn't sound as clangy(wich I reckon is more likely).
Reading into it has made me way less worried and makes me think there isn't that much going on but that the phenomenom is just very audible on this air cooled engine compared to other (water) cooled engines, where the same might be happening inside with the same results in the long run but you just don't hear it, making the whole thing more like a product propperty then a real fault in my opinion.
I'm by no means an engineer or something so most of this is all based on my understanding of what piston slap is and how it's caused and not on my own findings or having seen engines that have been torn apart in real life.
I wonder what others think of this and encourage them to read up on it as well or ask people that really know what they are talking about to give theire opinion on the matter.
The fact that Ducati isn't very communicative about it is what causes a lot of uncertainty.
I would also love to know if the engines that get rebuild actually show damage inside the old cilinder to give more insight on the problem and maybe take away some of the uncertainty that is going on with people that are faced with this problem.
This is my take on it for the moment but I'm by no means educated on the matter or a mechanic.
I've been reading up on the piston slap issue and as it turns out it's a very common problem that happens in a lot of engines of lots of brands, doesn't matter if it is a V2, V6, V8 or 4 in line configuration.Also there are many known (car)engines that have been known for their piston slap issues and what the results are in the long run.
Ducati's have been having it like forever on the horizintal cilinder for some reason at least that's the cilinder where the sound is the most noticeable.
The sound normally is the worst when the engine is cold and lots of times when the engine gets warmer the piston becomes a tiny bit larger and the sound gets less or dissapears.
When the slap is bad it will cause wear on the cilinder wall but this isn't always the case and I've read stories of people riding around with that noise for ten thousend and even hundred thousend of miles without any real problems.
From what I've heard the new part is said to have some teflon part on the inside or outside of the piston wich makes me wonder if this does anything at all to cure the real cause of piston slap(wich I seriously doubt) or just masks the sound by deadening the wall of the piston so it doesn't sound as clangy(wich I reckon is more likely).
Reading into it has made me way less worried and makes me think there isn't that much going on but that the phenomenom is just very audible on this air cooled engine compared to other (water) cooled engines, where the same might be happening inside with the same results in the long run but you just don't hear it, making the whole thing more like a product propperty then a real fault in my opinion.
I'm by no means an engineer or something so most of this is all based on my understanding of what piston slap is and how it's caused and not on my own findings or having seen engines that have been torn apart in real life.
I wonder what others think of this and encourage them to read up on it as well or ask people that really know what they are talking about to give theire opinion on the matter.
The fact that Ducati isn't very communicative about it is what causes a lot of uncertainty.
