[Ducati] Poor running S2R1000

[stuarteldrett at hotmail.co.uk]

not 100% sure , but worth checking temp sender unit as this may well feed 
info to the ecu inorder to map the fueling?
--------------------------------------------------
From: "Jason -" <2wheeljunkie74 at gmail.com>
Sent: Thursday, April 24, 2008 8:00 PM
To: <ducati at ducati.net>
Subject: [Ducati] Poor running S2R1000

> My 06 S2R1000 has been running rough since she was opened up for the 10K
> service (Canada). At the 10K service 1 valve was shimmed and some
> adjustments made to help out cold starting issues I was having. The bike 
> is
> fully stock.
>
> Below are the problems I've been having. It's been to 2 different
> dealerships and they keep telling me that there can't find any problems.
>
>   1. Cold starting – chokes and dies a few times before she finally
>   catches. Once running, the idle sits just over 1,000 and struggles to 
> stay
>   going. I have to manually keep on the throttle. After a few mins of 
> rough
>   idle and my help to keep her going, the idle magically jumps up to just
>   under 2K and runs smooth
>
>   2. Surging – cruising around at low speeds under 4K she seems to stutter
>   even thought he throttle position is constant
>
>   3. Engine Warm – once I hit around 70+ on the temp gauge (Canada) the
>   idle is all over the place. Sometimes jumping up to just over 1,500 then
>   other times to just over 1,000. When the idle falls to just over 1,000 
> the
>   engine sounds like its struggling and makes some weird noises. The best 
> way
>   I can describe it is it goes from a nice mechanical 
> "tick-tick-tick-tick"
>   sound to a "clunk-clunk, clunk-clunk" sound and I think I hear some 
> pinging
>   going on. The odd time she will stall when stopped at a light.
>
>   4. Poor gas mileage – I use to get around 150+ kms before the gas light
>   comes on. Now, I'm lucking to see 90-100 kms.
>
> All of these issues are intermitted. Somewhere between cold and full hot 
> she
> is ok. Once fully warmed up I get the above happening. I never had any
> issues before the 10K service. She is scheduled to go in again next week. 
> If
> anyone knows what the issue might be I really appreciate your feedback so 
> I
> can tell the mechanic what to check.
>
> Thanks,
>
> -jb
> *****
>
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