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31-03-2004, 10:12 AM | #1 |
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Pulling away
Hi,
Anybody got tips on how to stop the clutch snatching whilst trying to pull away slowly? Since having the pipes and ECU changed on the S4 it's diffucult not to catapult yourself at warp speed when pulling away I'm having to leave the 'choke' on a tad to get the revs up to 1500 to get a smoother launch. Cheers, Steve. |
31-03-2004, 04:25 PM | #2 |
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Was the fuel injection system tweeked when you had the pipes and ECU changed? I assume you're talking about Termis and the DP ECU to go with them and the open airbox? I have this set up on my bike, and whilst the low speed running is not very smooth (apparently this is normal?), it's nowhere near as bad as yours sounds. Other than that I found going up to a 39t rear sprocket makes things easier around town and needs less clutch slipping.
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31-03-2004, 04:41 PM | #3 | |
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Re: Pulling away
Quote:
As my mate said to me"deal with it" its a Ducati. John |
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31-03-2004, 04:50 PM | #4 |
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I have excactly the same problem too on my S4; I thought it was me!
The problem seems to ease as the bike (or me) warms up, but some days I have to let the clutch out by degrees to avoid stalling. Most of my riding is commuting, so I would be interested to hear any technical mods that might make for a smoother ride. Cheers! |
31-03-2004, 05:12 PM | #5 | |
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Runningman
Quote:
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31-03-2004, 05:21 PM | #6 |
Ciao, come stai?
Join Date: Apr 2003
Location: Somewhere
Bike: Multiple Monsters
Posts: 4,157
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Is the clutch basket in good nick - the plates may not be freeing off properly or may even be warped.
Failing that, slip it more Ped
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M900 - 1993! Monster 1200R! |
01-04-2004, 04:41 PM | #7 |
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Thanks fella's, I am due a chain & sprocket change; as I am Mr non-technical I'll get someone to check the plates while their at it.
PaulS; where abouts in Harpenden are you? I shall shortly be moving into Cravells Rd, nr East Common. |
01-04-2004, 04:43 PM | #8 |
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Fit a one-tooth smaller front sprocket or a two-tooth larger rear sprocket.
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04-04-2004, 07:51 AM | #9 |
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Hi all,
Thanks for all the advice, I tried to be a bit smoother over the weekend but I was still geting a lot of judder if I tried to slip the clutch. Yep, the bike does have Termis and a DP ECU and I recently replaced the chain and both sprockets. I'm currently touching 11,000 miles so the 12,000 mile service is due soon. 'll get them to check out the clutch then - might be just the excuse I need for a slipper clutch Cheers, Steve. |
05-04-2004, 07:25 PM | #10 | |
rattles when he walks
Join Date: Aug 2002
Location: in the comfy chair,moved furniture around
Bike: M900
Posts: 1,065
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Re: Pulling away
Quote:
there's your problem, Ducatis are not Harleys. They have relatively small flywheels and need revs to be smooth, if you're gonna use very low revs then you've got to slip the clutch lots. Low revs and lugging them will eventually knacker the engine. Crust |
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05-04-2004, 07:31 PM | #11 |
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get yerself a nichols flywheel...whoopee!
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06-04-2004, 10:58 AM | #12 | |
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Re: Re: Pulling away
Quote:
If I pull away with high revs then surely I'll have to slip the clutch more - or be launched at such a pace that I'll end up hitting something I'm only talking about pulling away slowly from town centre traffic lights etc... |
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06-04-2004, 12:47 PM | #13 |
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try the sprocket option, 1 down on front...oops no scratch that youll shoot off even quicker! 1 more on the back is I think what may help, what that does to the top I dunno tho.
My 600 has one less on the front as the "problem" was the inverse of yours, juddery when trying to pull smoothly. al. |
06-04-2004, 12:49 PM | #14 |
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sorry, paul already posted that but hey, democracy in action!
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06-04-2004, 01:16 PM | #15 |
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Steve
The service doesnt specifically deal with the clutch and in my experience its worth removing the cover and plates, cleaning the lot off in clutch cleaner, checking the basket for burrs, measuring plate thickness and flatness etc and reassembling. If you dont keep the dry clutch clean then the dust tends to build between the friction pads on the clutch plates then roll itself through between the plates causing a graunchy nasty action. It could also be that other contamination has got on the plates causing them to swell and cleaning will remove this too. A warped plate will do similar as will knackered springs and burred housings. The clutch and bottom ends not disimilar to any 900 / 916 / 1000 /996 etc and they can be silky smooth but need care and attention. |
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