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Old 15-Sep-2005, 01:09
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bambam bambam is offline
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750Sport - cutting out!

Hi all,

I'm having the weirdest experiences with cutting out at the moment, and they're too frequent for me to dismiss as 'occasional glitches'.

I've only owned my 2002 750ie for just over a month now, and I've just barely put 200 miles on it so far :-(

I'm pretty sure there's no pattern - it happens cold, warm, after half a mile, after 10 miles, when I'm cornering, when I'm riding on a straight bit of road with the throttle steady.... I'm clueless as to what's going on.

Sometimes it just behaves like a backfire and then all is fine again. Other times, twice today in fact, it's a complete stop at the side of the road going through a routine of key-off, key-on and listen for the fuel pump (sometimes got to do this more than once before I hear the pump whine!), give the starter a twitch and hope for a growl... This morning it cut out at the end of a 20 minute commute, so the bike was definitely nice and warm. This evening it happened half a mile away from my office, within a short while of me setting off.


I'm a few miles outside Hull, so if the answer to my woes is a trip to a dealer/service centre could you also let me know where the closest one is to me?

Glumly,

bambam
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Old 15-Sep-2005, 03:26
edwyun edwyun is offline
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I'd bring it back to where you purchased it new and have them fix it - it's too new for you to have to deal with stuff like that.

Did you lift up the tank recently? When putting the tank back, you may have pinched a fuel line, causing lack of fuel flow and thus having the engine cut out.

If it happens again, stop and quickly open the tank. If you hear a large pop or alot of air rushing into the tank, you have a venting problem - a vent line is kinked or the vent valve is installed improperly or off.

When you turn on the ignition, have the tank open and look inside. if you see fuel squirting (instead of just moving), the fuel line in the tank is split or about to split. BTW, DON'T LOOK INTO THE TANK WITH A MATCH, OK?


Check all electrical connections as well.

BTW, is the bike stock or did you have anything done to it yet?

[Edited on 15-9-2005 by edwyun]
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Old 15-Sep-2005, 07:25
KeefyB KeefyB is offline
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Quote:
Originally posted by edwyun
If it happens again, stop and quickly open the tank. If you hear a large pop or alot of air rushing into the tank, you have a venting problem - a vent line is kinked or the vent valve is installed improperly or off.
Yup,I would check the tank breather first.
The second thing to check are the sidestand and injection relays.They are cheap and nasty items that fail regulary.Cost about a fiver from your Ducati dealer.My wifes Monster had similar symptoms to your bike,...turned out to be the relays.We now keep a couple spare under the seat.
Oh yeah,as Edwyun said,why not just take it back to the dealer?They must have given you some sort of garantee/warranty?
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Old 15-Sep-2005, 11:13
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Brent Brent is offline
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Quote:
Originally posted by KeefyB
Quote:
Originally posted by edwyun
If it happens again, stop and quickly open the tank. If you hear a large pop or alot of air rushing into the tank, you have a venting problem - a vent line is kinked or the vent valve is installed improperly or off.
Yup,I would check the tank breather first.
The second thing to check are the sidestand and injection relays.They are cheap and nasty items that fail regulary.Cost about a fiver from your Ducati dealer.My wifes Monster had similar symptoms to your bike,...turned out to be the relays.We now keep a couple spare under the seat.
Oh yeah,as Edwyun said,why not just take it back to the dealer?They must have given you some sort of garantee/warranty?

I had exactly the same on my 750SS - relay problem - Intermittent at first, then failed altogether. I keep one under the seat as well!!

Dave
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Old 15-Sep-2005, 17:50
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Loz Loz is offline
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Mine failed a while back, similar symptoms. Turned out to be a rotten ignition wire. Mind you, it had done more than 200 miles - 21000 miles, in all weathers.
Good luck sorting it.
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Old 15-Sep-2005, 18:13
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bambam bambam is offline
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Quote:
Originally posted by Brent
Quote:
Originally posted by KeefyB
Quote:
Originally posted by edwyun
If it happens again, stop and quickly open the tank. If you hear a large pop or alot of air rushing into the tank, you have a venting problem - a vent line is kinked or the vent valve is installed improperly or off.
Yup,I would check the tank breather first.
The second thing to check are the sidestand and injection relays.They are cheap and nasty items that fail regulary.Cost about a fiver from your Ducati dealer.My wifes Monster had similar symptoms to your bike,...turned out to be the relays.We now keep a couple spare under the seat.
Oh yeah,as Edwyun said,why not just take it back to the dealer?They must have given you some sort of garantee/warranty?

I had exactly the same on my 750SS - relay problem - Intermittent at first, then failed altogether. I keep one under the seat as well!!

Dave

Thanks for all the replies guys!

I'm kind of comforted that it's a 'known' issue and I'm not unique with it (or have bought a lemon), but also a bit miffed that I should be having any issues yet at all.

I'll take a look at the tank breather (although I haven't lifted the tank yet myself, it does need to be checked) for kinks, and I'll also check the innards of the tank for squirting/moving too.

The couple of relays kept under the seat sounds like a good idea, so if that's what it's going to take to keep things ticking over nicely, then that's what I'll do.

Edwyun, as far as I'm aware the bike is pretty stock. I'd been told by the previous owner that he'd had different pipes on it, but the originals were refitted before I bought it. The bike had less that 2,000 miles on it when I got it, and it's looking in pretty stunning nick still.

I didn't get it from a dealer, BTW, I got it in a private sale from a bloke I work with. I'm reasonably confident that he's not likely to try to pull the wool over my eyes with regards any major issues. I've mentioned this problem to him, and he's said he just thought it took ages to warm up, and assumed any occasional cut-outs he had were just that.

If it's something that's getting progressively more frequent, then it's still possible that he might not have been aware of it.

Hey, you've gotta trust some people sometime, huh?

Thanks for all the helpful advice. If I don't spot an obvious problem I'll track down my nearest Ducati dealer.

Cheers,

bambam
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Old 16-Sep-2005, 06:41
KeefyB KeefyB is offline
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Originally posted by bambam
Thanks for all the helpful advice. If I don't spot an obvious problem I'll track down my nearest Ducati dealer.
You could try Italia Moto in Lincoln.Would be a nice little ride for you over the Humber bridge and into Lincolnshire.
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Old 17-Oct-2005, 15:22
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bambam bambam is offline
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Sorted!

It may be early days yet, but I rode my bike on Friday, Sunday and have come in to work on it today, and it's back to its lovely self again.

Two £3 relays have transformed my fickle beast back into a reliable steed.

I've done about 100 miles or so, with many ignition offs and ons, and my SS hasn't missed a beat. Starts every time, and stays running until I turn it off.

Thanks to all you guys for your advice and suggestions.

I hope to cross paths with some of you sometime, and look forward to buying you few frosty beers in thanks.

Cheers,

- Bambam
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  #9  
Old 17-Oct-2005, 16:11
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kwikbitch kwikbitch is offline
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Hi, bambam! That's my bike!!!!
That's the first one of them I've seen so far in the uk!!!
I had the same problem...I'm sorry didn't see the thread until today. The fuel injector relays are in a prime place to pick up "cak" from the road, and water from when you clean her! just check them over every so often and make sure they're clean.
I put on dual disks on the front...although told they dont make a difference to the handling/braking, they blinkin well do. Another mod is changing the rear sprocket to a larger one. Takes that jerkiness off at low revs!
Welcome to the board!
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Old 18-Oct-2005, 00:11
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bambam bambam is offline
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Originally posted by kwikbitch
Hi, bambam! That's my bike!!!!
That's the first one of them I've seen so far in the uk!!!
I had the same problem...I'm sorry didn't see the thread until today. The fuel injector relays are in a prime place to pick up "cak" from the road, and water from when you clean her! just check them over every so often and make sure they're clean.
I put on dual disks on the front...although told they dont make a difference to the handling/braking, they blinkin well do. Another mod is changing the rear sprocket to a larger one. Takes that jerkiness off at low revs!
Welcome to the board!

Hi KB,

Thanks for the post. I spotted your website a few weeks ago, and realised I wasn't alone owning such a stunning beast - cool

I'm already well impressed with the stopping power up front, does the second disk really make a huge difference?

The rear sprocket solution to the jerkiness at low revs is definitely going to be my next mod - here I was thinking I was a total eejit - but it turns out there's a neat little fix - way-hey!

Thanks for the welcome to the board.

Cheers,

Bambam
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