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 Post subject: Re: Blown Paso
PostPosted: Sun Dec 30, 2012 5:57 pm 
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Joined: Thu Jul 21, 2011 9:47 pm
Posts: 56
Location: Benicia, CA. USA.
model: 906 Paso
year: 1990
Duc906 your a man after my own heart. I hope one day to turbo my Paso. Garrett GT1241.


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 Post subject: Re: Blown Paso
PostPosted: Mon Dec 31, 2012 6:13 am 
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Joined: Mon Mar 30, 2009 7:59 pm
Posts: 269
Location: Australia
model: 906 Paso
year: 1989
Thanks for the ideas, they are all welcome. There is a guy here in oz that has made a replacement unit for the Digiplex that might be able to be reprogramed http://www.cajinnovations.com/MyECU/MyIgn.html I might give him a try, it would save having to replace fly wheels, side covers etc.


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 Post subject: Re: Blown Paso
PostPosted: Mon Dec 31, 2012 10:03 am 
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paso grand pooh-bah
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Joined: Thu Nov 03, 2011 10:13 am
Posts: 754
Location: Scotland
model: 907 I.E.
year: 1994
angelix wrote:
paso750 wrote:
Quote:
(2 pickups and two modules)
and different flywheel, isn`t it ?

G.


Unless you want to do dome machining and loose the original parts from the 906, the list of what is needed is simple... out of a SS-Monster 900 750-900 carburated youi need:

- left crankcase cover (including the stator)
- flywheel
- Rotor (for the generator)
- pickups
- a pair of coils
- Ignitech or KoKusan modules
- consumables (faston wires, solder, shrink-sleeve, etc etc)

everything can be found on ebay, then the fitting is a matter of a couple of hours, knowing what you have to do.

Most probably there will be the need of some drilling / tapping to fit the pickups.

alternatively you can do it using the original cover (with stator) and the generator rotor, but the cover will need a small hole for the pickup cables to come out and the old pickup location will need to be sealed.

But what about the water pump?

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 Post subject: Re: Blown Paso
PostPosted: Mon Dec 31, 2012 3:14 pm 
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paso grand pooh-bah
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Joined: Sun Jul 18, 2004 12:00 am
Posts: 5418
Location: southern Germany
model: 750 Paso
year: 1987
a friend has a carb converted ST2 engine and all he did to the engine (when replacing the complete injection and ignition system) was swapping flywheel and pick ups. There was no need to modify or change stator/rotor or alternator cover. The cover has the front pass through for the wiring and there`s a plate to cover the hole of the single pick up. (I have that too on my 750 btw)
The ST2 engine still has the bosses to mount the pick up carrier so no drilling or welding was required. Only later models didn`t have them anymore so that shouldn`t be a problem on a 906.

So that`s all fairly easy but the complete wiring modification to replace the Marelli with the Kokusan units with their different connectors would be more work.

Quote:
There is a guy here in oz that has made a replacement unit for the Digiplex that might be able to be reprogramed http://www.cajinnovations.com/MyECU/MyIgn.html I might give him a try, it would save having to replace fly wheels, side covers etc.

I wonder how useful that is. There are only 3 preset advance curves you can choose. 25° may be too little and 35° may not make much difference as original is 36°.
The Silent Hektik Marelli replacement has 16 selectable curves but is quite a bit more expensive.

If you had the Kokusan ignition you could try the flywheel of a 600 Monster/SS which has 32° advance and is also quite a bit lighter. (you may have to lower the height by ca. 4mm though)

G.


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 Post subject: Re: Blown Paso
PostPosted: Wed Jan 02, 2013 4:21 am 
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Joined: Thu Jul 21, 2011 9:47 pm
Posts: 56
Location: Benicia, CA. USA.
model: 906 Paso
year: 1990
Duc906 wrote:
Thanks for the ideas, they are all welcome. There is a guy here in oz that has made a replacement unit for the Digiplex that might be able to be reprogramed http://www.cajinnovations.com/MyECU/MyIgn.html I might give him a try, it would save having to replace fly wheels, side covers etc.



I'm planing on using his MyIgn seeing as my Digiplex as gone bananas.

How do you feel about converting to fuel injection? Mega squirt make some nice DIY F.I. engine management products.


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 Post subject: Re: Blown Paso
PostPosted: Wed Jan 02, 2013 7:51 am 
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Joined: Thu Jan 21, 2010 2:22 am
Posts: 100
Location: Christchurch, New Zealand
model: 906 Paso
year: 1990
Fascinating, and some might say insane: spending all that time and money on an antique which was down on power to begin with.

I guess a SC might make the bike have the sort of power it "deserved" when it was new. Personally, I would not do this to my own bike, but I would be happy to buy one already converted. I can imagine the torque on such a motor will be truly stunning, and wonder what sort of figures the bike might make on a lazy 4lbs boost. Also, what sort of fuel consumption???

The bike already suffers Extremely-Small-Tank syndrome and I am confident my wife's 2-litre Mitsubishi burns less fuel than my 906! Maybe you can pod-filter the air, and ditch the airbox, and increase tank capacity at the same time?

Anyway, best of luck to you, your project looks brilliant, and challenging, and I bet any 906 owner would give their left lung for a 906 with "real" power. :)

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 Post subject: Re: Blown Paso
PostPosted: Thu Jan 03, 2013 7:03 am 
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paso grand pooh-bah
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Joined: Wed Dec 05, 2007 12:35 am
Posts: 1770
Location: Newzealand
model: 906 Paso
year: 1990
Mobius wrote:
Fascinating, and some might say insane: spending all that time and money on an antique which was down on power to begin with.

I guess a SC might make the bike have the sort of power it "deserved" when it was new. Personally, I would not do this to my own bike, but I would be happy to buy one already converted. I can imagine the torque on such a motor will be truly stunning, and wonder what sort of figures the bike might make on a lazy 4lbs boost. Also, what sort of fuel consumption???

The bike already suffers Extremely-Small-Tank syndrome and I am confident my wife's 2-litre Mitsubishi burns less fuel than my 906! Maybe you can pod-filter the air, and ditch the airbox, and increase tank capacity at the same time?

Anyway, best of luck to you, your project looks brilliant, and challenging, and I bet any 906 owner would give their left lung for a 906 with "real" power. :)

summat wrong with your bike mobes :?: :?: :?: :?: :?: :?: Been a while sinse I been on mine but 400km ish ( at the speed limit ) range is not bad , 350 if I up the pace a bit.
A harley sportster has a small tank at 12L ,
and any how after reading some of your previous posts I think its a good idea for you to buy such a conversion already done rather than do it yourself :P :lol: :lol: :lol:

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 Post subject: Re: Blown Paso
PostPosted: Thu Jan 03, 2013 9:53 am 
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Joined: Mon Mar 30, 2009 7:59 pm
Posts: 269
Location: Australia
model: 906 Paso
year: 1989
Mobius wrote:
Fascinating, and some might say insane: spending all that time and money on an antique which was down on power to begin with.

I guess a SC might make the bike have the sort of power it "deserved" when it was new. Personally, I would not do this to my own bike, but I would be happy to buy one already converted. I can imagine the torque on such a motor will be truly stunning, and wonder what sort of figures the bike might make on a lazy 4lbs boost. Also, what sort of fuel consumption???

The bike already suffers Extremely-Small-Tank syndrome and I am confident my wife's 2-litre Mitsubishi burns less fuel than my 906! Maybe you can pod-filter the air, and ditch the airbox, and increase tank capacity at the same time?

Anyway, best of luck to you, your project looks brilliant, and challenging, and I bet any 906 owner would give their left lung for a 906 with "real" power. :)

Mobius, if it wasn't for some of the "insane" people and their desire to be different that have inhabited this earth over the years then we'd still be running around with clubs, dressed in animal skins and behaving like monkeys. The time that I've spent on this project doesn't bother me because I've enjoyed the engineering side of it. The cost has been minimal, so far I've spent about $320 getting it to where it is now because I've been able to do all the work myself.
stigonpaso wrote:
I'm planing on using his MyIgn seeing as my Digiplex as gone bananas.

How do you feel about converting to fuel injection? Mega squirt make some nice DIY F.I. engine management products.

Stig, If you just want to replace your Digiplex then get one from Ian at Italsparesducati on ebay, I've been using one of his for about 2 years and it works great. I have no desire to change the carby, like I said earlier, I know the Weber.

paso750 wrote:
a friend has a carb converted ST2 engine and all he did to the engine (when replacing the complete injection and ignition system) was swapping flywheel and pick ups. There was no need to modify or change stator/rotor or alternator cover. The cover has the front pass through for the wiring and there`s a plate to cover the hole of the single pick up. (I have that too on my 750 btw)
The ST2 engine still has the bosses to mount the pick up carrier so no drilling or welding was required. Only later models didn`t have them anymore so that shouldn`t be a problem on a 906.

I don`t think the coils need to be changed as on the 906 they are 3 ohms, too. At least Ken has the Dyna coils already so that would come off the list.

So that`s all fairly easy but the complete wiring modification to replace the Marelli with the Kokusan units with their different connectors would be more work.

Quote:
There is a guy here in oz that has made a replacement unit for the Digiplex that might be able to be reprogramed http://www.cajinnovations.com/MyECU/MyIgn.html I might give him a try, it would save having to replace fly wheels, side covers etc.

I wonder how useful that is. There are only 3 preset advance curves you can choose. 25° may be too little and 35° may not make much difference as original is 36°.
The Silent Hektik Marelli replacement has 16 selectable curves but is quite a bit more expensive.

If you had the Kokusan ignition you could try the flywheel of a 600 Monster/SS which has 32° advance and is also quite a bit lighter. (you may have to lower the height by ca. 4mm though)G.

It said on his web site that it may be able to be reprogramed, I still want to get in touch with him and find out more info.
The monster flywheel sounds interesting. What do you mean by "(you may have to lower the height by ca. 4mm though)"?


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 Post subject: Re: Blown Paso
PostPosted: Thu Jan 03, 2013 10:30 am 
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paso grand pooh-bah
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Joined: Sun Jul 18, 2004 12:00 am
Posts: 5418
Location: southern Germany
model: 750 Paso
year: 1987
http://www.ducati.ms/forums/57-superspo ... 900ss.html
What these guys don`t consider is that the timings of the two flywheels are not identical according to Brad the Bike Boy`s site.
It`s interesting to see that the manuals state 32° for all models but for the 750/900 that doesn`t seem to be reality.

Quote:
It said on his web site that it may be able to be reprogramed

I missed that.

G.


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