Ducati 748 - Road to track/road

From a simple respray to a full blown rebuild or restoration, post some pics in here so we can all admire your work.

Re: Ducati 748 - Road to track/road

Postby Blade » 05 Sep 2017, 20:30

Its your dream bike mate it need to be right and for you to fully enjoy it,
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Re: Ducati 748 - Road to track/road

Postby rocket » 05 Sep 2017, 20:33

Haha mention my name to Neil he may run a mile lol. Kind of know him was at his wedding a few weeks ago. Hes a good guy who know his onions designed his own 853 conversion and it was very good takes a lot of pride in his work and it shows with the results.
"80mph" sorry officer I possibly could not have done that I'm no Valentino Rossi.
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Re: Ducati 748 - Road to track/road

Postby duke63 » 05 Sep 2017, 20:47

Blade wrote:Its your dream bike mate it need to be right and for you to fully enjoy it,


Its epic already but only works at full chat. Would have loved to take it to the IOM this weekend but it would have been a pig anywhere other than the mountain. I'm hoping Neil can improve that aspect of it.
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Re: Ducati 748 - Road to track/road

Postby Blade » 05 Sep 2017, 21:23

Sunny day bike mate. Keep it special 8) . The multi will be a weapon in the IOM anyway (y)
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Re: Ducati 748 - Road to track/road

Postby duke63 » 05 Sep 2017, 22:00

I'm not intending to spoil what it has. Just hoping to make it better still.
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Re: Ducati 748 - Road to track/road

Postby Blade » 05 Sep 2017, 22:14

Yeah I know mate. Meant no worries you can't take to the iom. The improvements to fuelling at cornerspeed sound a good idea pal 8)
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Re: Ducati 748 - Road to track/road

Postby duke63 » 23 Sep 2017, 08:05

Off to Cornerspeed this morning to see if we can get the bike to tick over better.
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Re: Ducati 748 - Road to track/road

Postby C00kiemonster » 23 Sep 2017, 19:00

duke63 wrote:Off to Cornerspeed this morning to see if we can get the bike to tick over better.


How did you get on?
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Re: Ducati 748 - Road to track/road

Postby duke63 » 23 Sep 2017, 19:33

Runs better low down and settings were out but still have the stalling issue. Also the sprag clutch is on the way out.
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Re: Ducati 748 - Road to track/road

Postby Deegee » 23 Sep 2017, 23:03

If it's still stalling what's the fix? Higher idle speed perhaps?

Spray clutch failure seems a bit premature considering the hours/starts its had, is it up to the higher compression and possible advanced timing of the bigger engine?
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Re: Ducati 748 - Road to track/road

Postby duke63 » 23 Sep 2017, 23:07

Apparently so. The SPS bikes eat sprag clutches.
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Re: Ducati 748 - Road to track/road

Postby Blade » 24 Sep 2017, 00:24

Sounds like a worth while trip up to corner speed and good to hear of their recommendation.

Hope the stalling issues gets resolved.
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Re: Ducati 748 - Road to track/road

Postby C00kiemonster » 24 Sep 2017, 07:15

duke63 wrote:Apparently so. The SPS bikes eat sprag clutches.


Hmm. Expensive?
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Re: Ducati 748 - Road to track/road

Postby duke63 » 24 Sep 2017, 21:03

About £300 in parts (if it needs all 3 parts) and a couple of hours labour. Quite tempted to have a go myself but may let Cornerspeed do it, watch and learn how to do it next time. The compression of the engine may mean that it becomes a service part (or the bearing itself anyway).
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Re: Ducati 748 - Road to track/road

Postby C00kiemonster » 25 Sep 2017, 07:41

duke63 wrote:About £300 in parts (if it needs all 3 parts) and a couple of hours labour. Quite tempted to have a go myself but may let Cornerspeed do it, watch and learn how to do it next time. The compression of the engine may mean that it becomes a service part (or the bearing itself anyway).


It would be an interesting bit of spannering - its one of the few things i've not done is clutch.

Its not too bad then, but you could do without the cost i guess.
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Re: Ducati 748 - Road to track/road

Postby duke63 » 25 Sep 2017, 07:58

C00kiemonster wrote:
duke63 wrote:About £300 in parts (if it needs all 3 parts) and a couple of hours labour. Quite tempted to have a go myself but may let Cornerspeed do it, watch and learn how to do it next time. The compression of the engine may mean that it becomes a service part (or the bearing itself anyway).


It would be an interesting bit of spannering - its one of the few things i've not done is clutch.

Its not too bad then, but you could do without the cost i guess.


There is a video here. Its a relatively simple job. I just need to work out all the tricks and things to look out for.

If i do it myself i could always change just the bearing very year to avoid the whole thing needing replacing. A bearing is about £60 at JHP.

Will keep me busy over the winter months.

phpBB [video]
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Re: Ducati 748 - Road to track/road

Postby C00kiemonster » 25 Sep 2017, 08:42

Thats a lovely bit of engineering that. I want a project at some point again.
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Re: Ducati 748 - Road to track/road

Postby duke63 » 30 Sep 2017, 20:09

So weight loss:

One new lithium battery. The current battery is over 5 years old (i think it might even be 7, it was replaced after that IOM trip).

Old battery weighs:
in kilos 6.2kg
2017-09-30 17.08.05.jpg


New battery weighs:
in grams 995grams

2017-09-30 17.07.21.jpg


I couldn't even weight them on the same scales due to the weight difference. One didn't register on one set as it was too light, the other didn't register on the other as it was too heavy. :D

So that over 5kg of weight loss for £130 spent on what is a required part anyway. I wonder how much spent on carbon and titanium would be required for a similar weight loss.

And side by side.

2017-09-30 17.08.36.jpg
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Re: Ducati 748 - Road to track/road

Postby StMarks » 01 Oct 2017, 10:58

They do seem like the obvious choice these days don't they Duke63. What is the expected lifespan compared to your 7yo Mottobatt..?
I trust they've found a resolution for their reputation to self-ignite.??
duke63 wrote:I couldn't even weigh them on the same scales.....

Shan't ask what sideline you have that necessitates you having a scale for weighing out small amounts of grams, but I quite understand how expensive Ducati ownership & maintenance is. I suppose it has to be paid for somehow. ;)
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Re: Ducati 748 - Road to track/road

Postby duke63 » 01 Oct 2017, 11:43

I've no idea on the lifespan but it comes with a 3 year warranty which sounds like they have faith in their product.

The scales are kitchen scales, honest guv!
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