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05-07-2019, 12:57 PM | #1 |
Mary Mary Quite Contrary
Join Date: Mar 2012
Location: Berkhamsted
Bike: M796
Posts: 1,398
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Won't start when hot
My M796 won't start when its hot.
I had to stop for a pee the other day, and coming back to the bike, the thing wouldn't start. Called the AA, waited 45 minutes for them to arrive, just before they did, I gave it another go and it fired up, the bike was cold by this point. Slob, before he fell off, did a valve and belt change for me. At the same time the HT leads and plugs were replaced. Iridium plugs and magnecor leads. Any ideas as to what could cause this?
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#48 |
05-07-2019, 02:50 PM | #2 |
Registered User
Join Date: Aug 2011
Location: Southampton
Bike: M1100evo
Posts: 2,465
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Sorry you're having problems, jonzi.
I see you recently fitted iridium plugs, (which I also have on the Evo). I don't know if you're aware that, because of the narrower centre electrode, you need to use a larger gap than the standard (on the 1100 Evo) of 0.7 - 0.8 mm. For a good fat spark, 0.9 - 1.0 mm is recommended (I'm using the full millimetre). If you haven't already done so, try a larger gap and see if that improves things. These iridium plugs aren't as robust as standard copper-cored ones though so, if you do adjust them, use a proper adjusting tool on the outer electrode only. If you try to prise the electrodes apart, the centre one could break. Hope you sort it quickly. |
05-07-2019, 03:10 PM | #3 |
Mary Mary Quite Contrary
Join Date: Mar 2012
Location: Berkhamsted
Bike: M796
Posts: 1,398
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Thanks for the reply!
Will a tool like this do? or do you suggest something else/better? https://www.amazon.co.uk/Silverline-.../dp/B00865SXQ4
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#48 |
05-07-2019, 04:32 PM | #4 |
Registered User
Join Date: Aug 2011
Location: Southampton
Bike: M1100evo
Posts: 2,465
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05-07-2019, 04:56 PM | #5 |
Moderator
Join Date: Apr 2008
Location: Moreton-in-Marsh
Bike: M1100evo
Posts: 1,082
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IF ALL ELSE FAILS READ THE INSTRUCTIONS |
05-07-2019, 07:17 PM | #6 |
Registered User
Join Date: Mar 2016
Location: London
Bike: M1100evo
Posts: 98
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My 1100evo does this regularly! Leave it to cool down to three or two bars and it bursts into life as if butter wouldn't melt in its mouth. Ten minutes is usually enough. I am thinking that the rear cylinder oil temp sensor may be drifting out of its correct range? It is too awkward to get at to just swap it out at the moment, I'll wait 'til I'm doing some other task first, but I am at a loss. The problem can be really awkward if it happens after an accidental stall at the trafgic lights, particularly if you have just forced yourself to the front of the pack and are revving the motor to show how cool you are!
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06-07-2019, 07:45 AM | #7 |
Transmaniacon MOC
Join Date: Sep 2013
Location: Sutton In Ashfield
Bike: Multiple Monsters
Posts: 6,025
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I was thinking TPS/hot fuel mix maybe out. Looking quickly on Ducati forum I found at least one mention of that being the case.
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06-07-2019, 09:19 AM | #8 |
Moderator
Join Date: Apr 2008
Location: Moreton-in-Marsh
Bike: M1100evo
Posts: 1,082
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Could try the static TPS reset.
Start bike and walk away until oil temp is at 3 bars (don't touch throttle at all even when pushing starter button).
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IF ALL ELSE FAILS READ THE INSTRUCTIONS |
06-07-2019, 07:03 PM | #9 | |
Mary Mary Quite Contrary
Join Date: Mar 2012
Location: Berkhamsted
Bike: M796
Posts: 1,398
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Quote:
I have the spark plug jobby coming, so ill do that and the TPS reset Thanks all
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#48 |
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06-07-2019, 10:07 PM | #10 |
Registered User
Join Date: Aug 2011
Location: Southampton
Bike: M1100evo
Posts: 2,465
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Yep - that's all there is to it. You might find this thread interesting as it covers the reset in a bit more detail.
http://www.ukmonster.co.uk/monster/s...ad.php?t=55198 |
14-07-2019, 08:22 PM | #11 |
Mary Mary Quite Contrary
Join Date: Mar 2012
Location: Berkhamsted
Bike: M796
Posts: 1,398
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Made the spark plug gap larger, and reset the TPS, then took it for a ride.
Bike restarted with no hassles after, so one or both of those did the trick Cheers!
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#48 |
14-07-2019, 09:20 PM | #12 |
Registered User
Join Date: Aug 2011
Location: Southampton
Bike: M1100evo
Posts: 2,465
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That's great news, jonzi! Long may it continue.
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