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Old May 10th, 2019, 05:23 PM   #1
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From: Nelson,BC
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I Ride: 2009 R1200RT/2013 Hyperstrada
'13 Strada still won't start

It started out as what I thought was bad fuel so I drained the tank completely and added 3 liters of fresh non-ethanol premium. Also new spark plugs, checked the air filter, checked all fuses, cleaned up the ground, battery fully charged...still won't start. The motor turns over well but doesn't want to fire. There is a spark on the horizontal cylinder and plug looks and smells like fresh gas. Checked all connectors leading to plugs. Bike ran fine last year with the Eldor coils I had installed over the previous winter. Hmmmm...WTF

I was wondering if there was a clogged fuel filter but the whole fuel pump is replaced as a unit with no separate filter and seeing as list price is $1123US, don't think I'll be replacing that on a guess.

Any suggestions?

Colin
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Old May 11th, 2019, 02:57 AM   #2
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Maybe not engaging or broken sprag clutch? It's a weak point in Duc's. If the starter turns and it's making spark, it must not be physically turning the crank. Easy to mess up if you replaced the starter yourself or cracked the left side of the engine case. Read my entries on the starter DIY.

There's some YT vids on diagnosing bad sprag clutch.
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Old May 11th, 2019, 04:16 AM   #3
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Quote:
Originally Posted by gatdammit View Post
Maybe not engaging or broken sprag clutch? It's a weak point in Duc's. If the starter turns and it's making spark, it must not be physically turning the crank. Easy to mess up if you replaced the starter yourself or cracked the left side of the engine case. Read my entries on the starter DIY.

There's some YT vids on diagnosing bad sprag clutch.
I'm pretty sure the crank is turning cause I can feel puffs coming out the pipe.

Know what you mean about the starter, I replaced 2 on previous Ducs and used a little tool from Desmo Times to remove the case side.

Colin
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Old May 27th, 2019, 10:27 AM   #4
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Did you resolve the issue? If not, do you still have your original coils you could swap for testing? But I guess if you're getting a spark they may be fine, but just to at least eliminate that possibility. Do you have a power commander or the like installed? Are you getting enough fuel in the cylinders from your injectors?

Last edited by netaron; May 27th, 2019 at 10:33 AM.
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Old May 27th, 2019, 04:03 PM   #5
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Still won't start and behaves as before. Turns over but does not fire.

I do still have the original coils but unfortunately I used the connectors on the Eldors I bought(ran successfully and well last season).

Had not looked at the old girl in a couple of weeks and when contemplating it yesterday noticed that I had overfilled with oil when I put her to bed last fall. I know this was grabbing at straws but I did drain off about .6L of oil to get the level between the marks on the sight glass. Had also wondered if I'd pinched the fuel line when reinstalling tank so I drained again and once again put clean new gas in before reinstalling with care. Still no joy...

Sigh....

Colin
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Old May 27th, 2019, 06:06 PM   #6
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Call your service center and run the VIN to see if there are any recalls. My 13' has had an updated TPS for a long time but Ducati just added the can bus filter per recall.
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Old May 28th, 2019, 01:49 AM   #7
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Maybe try and push start it? Got a long steep driveway? Would be a definitive ruling on the starter being the culprit.
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Old May 28th, 2019, 05:42 AM   #8
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It's had all the recalls and/or service bulletins done. Bump starting will have to wait a while, I've just had hernia surgery!

Colin
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Old June 5th, 2019, 05:10 PM   #9
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When that happens on a Guzzi first thing I think of is the the cam or crank sensor, how does the hyper get timing signal to fire?
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Old June 11th, 2019, 10:57 AM   #10
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A friend and I played with it again last weekend. Once again determined that there is a strong spark and that the fuel pump is moving lots of fuel. It cranks well and makes pffting sounds but will not fire. I wonder if the injectors are plugged or as Fotoguzzi said is there some timing sensor that's gone bad...

So frustrating cause it was running fine when put to bed last fall!
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