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Author Topic: So I pulled my spark plugs today...  (Read 4065 times)
RubberDuckyS4
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« on: May 23, 2011, 05:29:33 PM »
And found some oil on them  Sad

I went for a ride today and had some funky idle issues, and have had them intermittently lately.  When I came to a stop it would sputter and die on me (which was not fun at the metering light to get on the freeway) so I started just trying to keep the revs up a little at stops until I got home to check out the motorcycle a little.

I'm new to Ducati's but not to basic engine know-how, is this a sure sign that I've got some seals that are failing and I'm getting oil into the combustion chamber?  I did check Ducatisuite and it said pretty much that but I'd like some input from you guys and gals if you don't mind.  Also I just bought this bike used and have no idea when the last tune up was, I'm in the process of changing all the fluids/spark plugs.  

Here's the pics I snapped really quick:



Any help is appreciated, I'm gonna keep scouring the forum for answers in the mean time.  Thanks!
« Last Edit: May 23, 2011, 06:00:15 PM by RubberDuckyS4 » Logged
Speeddog
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« Reply #1 on: May 23, 2011, 09:39:44 PM »
What year and model of Monster?
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64duc
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« Reply #2 on: May 24, 2011, 04:07:33 AM »
 That is normal for my '94 900. Plug tip and insulator (which is where excessive oil in the cylinder would show up) look good.
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94 M900, 64 Diana 250
RubberDuckyS4
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« Reply #3 on: May 24, 2011, 07:40:05 AM »
Its a 2002 S4 (916), I'm going to change them later today and play with my carbs a little and see if that helps the sputter.
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Speeddog
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« Reply #4 on: May 24, 2011, 09:18:06 AM »
What model and heat range of plugs are those?

S4 was equipped with fuel injection, no carbs to play with.
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RubberDuckyS4
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« Reply #5 on: May 24, 2011, 11:16:39 AM »
Quote from: Speeddog on May 24, 2011, 09:18:06 AM
What model and heat range of plugs are those?

S4 was equipped with fuel injection, no carbs to play with.

Just made a quick assumption, obviously wrong...  bang head.  I don't have the plugs with me at the moment I'll reply with that later before I get some new ones.  Do you think my plugs look bad, and if so could that be playing a part in my sputtering idle?  Thanks Speeddog.
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RubberDuckyS4
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« Reply #6 on: May 24, 2011, 01:18:36 PM »
The plugs are the original "Champion RA 59 GC" plugs.  I don't see a heat rating on them and am having a difficult time finding some online.
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Speeddog
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« Reply #7 on: May 24, 2011, 03:36:20 PM »
The OEM Champion RA 59 GC plugs are ~$30 each.
If you find them anywhere on line for less than that, please share.

I'd run 'em as is, they look alright.

I suspect your problem lies elsewhere.

How many miles on your bike?
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RubberDuckyS4
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« Reply #8 on: May 24, 2011, 07:50:16 PM »
Its got 16,XXX on it.
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bobtrude
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« Reply #9 on: May 25, 2011, 01:56:11 PM »
I bought theese and got them shipped to norway Smiley. The shop wanted 40$ for one  Tongue

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=170551879721&ssPageName=ADME:L:OU:MOTORS:1123

Great service and cheap plugs.
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wiredbeans
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« Reply #10 on: May 25, 2011, 04:34:30 PM »
check the rectifier, and also the ground connection on the ECU

you never know. This is a common problem on the 1098
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ducatiz
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« Reply #11 on: May 25, 2011, 06:01:06 PM »
Quote from: Speeddog on May 24, 2011, 03:36:20 PM
The OEM Champion RA 59 GC plugs are ~$30 each.
If you find them anywhere on line for less than that, please share.

$8 each

http://www.rockauto.com/catalog/raframecatalog.php?catalog=12&partnum=1006&a=FR12-1006-2777
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ducpainter
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« Reply #12 on: May 25, 2011, 06:06:36 PM »
Quote from: ducatiz on May 25, 2011, 06:01:06 PM
$8 each

http://www.rockauto.com/catalog/raframecatalog.php?catalog=12&partnum=1006&a=FR12-1006-2777
Finally...

a lawyer with pertinent info. Grin
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ducatiz
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« Reply #13 on: May 25, 2011, 06:09:38 PM »
Quote from: ducpainter on May 25, 2011, 06:06:36 PM
Finally...

a lawyer with pertinent info. Grin
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Check out my oil filter forensics thread!                     Offended? Click here
"Yelling out of cars, turning your speakers out the window to blast your music onto the street, setting off M-80 firecrackers, firing automatic weapons into the air—these are all well and good. But none of them create a merry atmosphere of insouciance and bonhomie quite like a revving motorcycle.
battlecry
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« Reply #14 on: May 26, 2011, 05:15:11 AM »
You just crawled to the back of the line.
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