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stelvio 2011 NTX electrickery

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swervyruss View Drop Down
Guzzino
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Post Options Post Options   Thanks (0) Thanks(0)   Quote swervyruss Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jun 2020 at 17:28
Hi Guys - just an update of this thread for the hell of it. Clocks  back from Autotronics and reinstated to the  bike. I did the test Doc as you suggested  - with battery tender connected just turned on the ignition for a few hours to see if the digital display corrupted - it didnt at all. But fire her up and the same problem persists within moments. Vibration could indeed be the culprit , but I was intregued with Mins and others  suggestion to change the plug caps , I researched it, deemed it within my skill set... and threw in the NGK's from green spark club co (fab) which went in lovely, I stopped patting my self on the back as soon as I fired her up - no change in the behaviour of the display- loosing the will now...
Then I re-read everything and noticed that it was the wires I was to try replacing ? HT lead from plug to coils right? Is this a good idea guys? 
Russ



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theone&onlymin View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote theone&onlymin Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jun 2020 at 17:59
Originally posted by theone&onlymin theone&onlymin wrote:

http://www.guzziriders.org/2008-stelvio-wet-weather-problem-sorted_topic10408.html


Plug leads so it was.... 

Cheers
Min

I'd give that a serious coat of looking at so I would.

Cheers
Min
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Mike H View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mike H Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jun 2020 at 18:16
Just been over this again from the beginning, I was going to repost that link too. LOL

Just my own thoughts but this is looking like interference from the ignition, is messing about with the electronics in the dash. The fact that you can leave the dash on and nowt goes wrong, but does as soon as you fire it up seems to say so.


"Chicken nuggets don't dance on a Tuesday."
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Doc. View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Doc. Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jun 2020 at 19:42
Just don't buy genuine Leads, something ridiculous like £60 each.
Just buy a length of decent quality Lead and cut your own.
Go for 'Shielded' Lead if you can find the option.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jun 2020 at 21:21
But decent quality copper HT lead, not that graphite type.And check the HT connections to the coils too.

At the moment it could be two things, either vibration is affecting the connection to the LCD screen, or there is some sort of electrical interferance.
Brian.

Better 5 minutes late in this world than years early in the next.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote theone&onlymin Quote  Post ReplyReply Direct Link To This Post Posted: 30 Jun 2020 at 08:18
This is my order list from Green Sparkplug


Can't remember which bits I didn't use so I don’t. 

Cheers
Min
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swervyruss View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote swervyruss Quote  Post ReplyReply Direct Link To This Post Posted: 01 Jul 2020 at 20:56
Thanks guys - Ive placed my order! Is there a comprehensive guide for getting to the coils that you may be aware of,,?
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theone&onlymin View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote theone&onlymin Quote  Post ReplyReply Direct Link To This Post Posted: 01 Jul 2020 at 21:07
Lots of screws to take off, might be in the manual you can get from Greg Bender or Guzzitech. Its time consuming but not difficult. One or two are a wee bit awkward.  

Cheers
Min
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Richard Hyatt View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Richard Hyatt Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jul 2020 at 06:38
Just a thought, 
Is the reg rec ok on limiting voltage on charging?

Overcharging might spike things and would obviously only happen when running.

Check your charging voltage at 2000 rpm or similar speeds

You're checking the plug leads and getting decent plug caps
Are the plugs meant to be resistive plugs , ie with an R in their part number.

Long time ago, I went out to a Vauxhall which had an edu controlling the gearbox changes.
Previous garage had just thrown normal plugs in it and owner complained it wouldn't change up properly.
The interference from the wrong plugs upset the edu.


Edited by Richard Hyatt - 02 Jul 2020 at 06:42
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Brian UK View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jul 2020 at 07:41
The spark plug specified is  NGK CR8EKB according to the manual.
Brian.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Richard Hyatt Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jul 2020 at 08:40
Cheers,
Resistive plug
So you need a plug cap to match with a 5k resistor built in to it
Some plug caps have 10k in them so be careful when you buy
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swervyruss View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote swervyruss Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jul 2020 at 13:27
I already fitted 5k resistive caps - and will advise how I get on with the HT lead swap out. (Bits on the way) May as well change the plugs whilst Im in there so all good tips thanks. I noticed that the current plugs were twin electoded - just thought it's worth the mention in case there is some disasterous guzzi querk I havent picked up on yet. I'll check reg rec too but was Ok last winter:)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jul 2020 at 13:36
Are the plugs currently fitted the right spec plugs? Do they have an R in the part number?
Brian.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mike H Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jul 2020 at 16:48
Originally posted by Brian UK Brian UK wrote:

But decent quality copper HT lead, not that graphite type.



Had this issue with the Ural last year. It got so that I had to spray it with WD40 before it will start cold in the wet. The OEM are nasty conductive carbon, with nasty cheap plug cap and a special custom crimped connector you can't buy anywhere, at the coils' ends. The 'custom connector' enables the carbon lead to be screwed onto the er, well, screw-on type, coil terminals. Natch, copper lead goes straight on plus a NGK phenolic LZFH plug cap on the other end, proper job. Even the exhaust sounds different! (Less resistance so better sparks.)




"Chicken nuggets don't dance on a Tuesday."
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swervyruss View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote swervyruss Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jul 2020 at 17:05
Just pulled the plugs again and they are currently
NGK R-  CR8EKB
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