S2R 800 swap in S2R DS1000 engine with 800 ECU - Page 3 - Ducati Monster Forums: Ducati Monster Motorcycle Forum
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post #21 of 29 (permalink) Old 10-31-2015, 12:47 AM Thread Starter
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Quote:
Originally Posted by fch99 View Post
This is an awesome thread. I'm thinking of doing this mod next year - will probably come back with some questions later on. Thank you for the write up.

After doing this, how does the bike feel? FYI - I've already got a significantly upgraded suspension and brakes.
I have no regrets whatsoever. The bike is crazy torquey compared to the 800. I never have to downshift on the highway and it's very easy for the front to get light in 1st and 2nd. The bike doesn't really handle much different but I'm due for a suspension upgrade.

07 S2R 800 - S2R DS1000 swap with 800 ecu and power commander, tail chop, integrated tail.
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post #22 of 29 (permalink) Old 12-19-2015, 04:23 PM
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Did the ds1000 motor you pickup have the needle bearings in the case at the swing arm pivot bolt location? Also...what is the measurement of the case across that point.

Life is full of sharp corners
---------------------------------------------------------------
Current:
2007 S4RS
2004 749R #203
2006 S2R1000

Past:
2009 M1100S
2006 749S
2009 848
2006 S2R800
2004 M1000Sie
2006 S2R800
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post #23 of 29 (permalink) Old 12-21-2015, 01:00 PM Thread Starter
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Did the ds1000 motor you pickup have the needle bearings in the case at the swing arm pivot bolt location? Also...what is the measurement of the case across that point.
Yep. It has needle bearings. The case was less than a mm across narrower compared to the 800. Just needed thicker shims. A tape measure wouldn't really give an accurate measurement at that point and I'm not sure even if I took it apart my calipers are that wide.

Hope that helps.

07 S2R 800 - S2R DS1000 swap with 800 ecu and power commander, tail chop, integrated tail.

Last edited by 95naSTA; 12-21-2015 at 01:12 PM.
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post #24 of 29 (permalink) Old 01-05-2016, 07:58 PM
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how did you determine what side to put the shims on? did you run a string off the rear sprocket to the front sprocket?

Life is full of sharp corners
---------------------------------------------------------------
Current:
2007 S4RS
2004 749R #203
2006 S2R1000

Past:
2009 M1100S
2006 749S
2009 848
2006 S2R800
2004 M1000Sie
2006 S2R800
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post #25 of 29 (permalink) Old 01-06-2016, 07:18 AM Thread Starter
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On my stock 800 setup there were thrust washers on both sides but only the clutch side had a factory shim. Since it was a difference of ~0.3mm and not on the chain side, I didn't stress about chain alignment. If the engine case was a couple mil or more narrower, at that point I might be more anal about it.

FWIW I put over 3k on this setup over the spring/summer without issue. I was able to get 50mpg highway with a passenger cruising at about 75/80 on a 180mile trip. I'm sure others have done better but that's great for a liter bike IMO.

07 S2R 800 - S2R DS1000 swap with 800 ecu and power commander, tail chop, integrated tail.
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post #26 of 29 (permalink) Old 04-19-2016, 09:04 PM
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Ok so Ive installed an 1100 DS engine from a 2009 Monster 1100s.

I changes the timeing gear to an 848, so that the timing would be compatible with my S2R 800 ECU.

I installed a set of s2r 1k intake manifolds and dual spark coils.

I removed my PCIII for now.

The bike wont start now and I think it's due to an ECU issue.

Ive bypassed the solenoid and I can get the starter motor to turn over, but no spark at the plug.

I then used DucatiDiag to test the spark and I can get the plug to spark.

I want to use my 800 ECU, but when I hook it up to DucatiDiag I'm getting an unknown error code that says ECO doesn't allow start.

Ideas Please - Im all out of then at the moment.
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post #27 of 29 (permalink) Old 07-21-2016, 01:54 AM
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Hi guys.
I need some advice. I can't make new thread so write here.
I swap my engine on Monster S2R800 2005 in Monster 1100 EVO 2012 engine. And make custom exhaust. And i think to change injectors on 280.4.023.1A from 1100 evo.
What do you think about ecu? What ecu will be better for me? I don't want change electric wiring if it posible.




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Swap my S2R 800 to 1100 EVO
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post #28 of 29 (permalink) Old 07-23-2016, 01:00 AM
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Some advice...

Quote:
Originally Posted by BuckA View Post
Hi guys.
I need some advice. I can't make new thread so write here.
I swap my engine on Monster S2R800 2005 in Monster 1100 EVO 2012 engine. And make custom exhaust. And i think to change injectors on 280.4.023.1A from 1100 evo.
What do you think about ecu? What ecu will be better for me? I don't want change electric wiring if it posible.
There's a thread on the other ducati monster forum by Heman - he put an 1100 EVO engine in an S2R 1000.

I put an 1100S engine in my S2R 800.

Both the 1100s and 1100 EVO use a Siemens ECU, not a Marelli like you have in yours.

So you need to change the timing gear like I outlined earlier in this thread. You don't need to change the wiring or injectors. Only thing is that I couldn't get the oil pressure gauge to work, but I'll live with that.

You should get a valve cover off an S2R 1k that can hold the thermister on the front cylinder, which tells the ECU the engine temp for mapping purposes.

Then I suggest sending the ECU to Rexxer for a reflash. They did a nearly perfect job on mine on the first try. I had it dyno'ed and PCV which resulting in some smoothing. I suggest paying the extra $100 to disable the immobilizer too, as that can be a pain. I tried the GuzziDiag route and bricked an ECU, and didn't even get close to getting it running well.

You need new intake manifolds and I suggest getting an evo, 1100, or s2r1k throttle bodies for the extra diameter, but it's not necessary - they are cheap and you'll be in there anyway. Don't use the stepper motor - pull that and put some vacuum caps on it.

I used a full arrow exhaust made for an s2r 1k - it bolted up perfectly and I like the look a LOT better than the 100 spaghetti pipes, but that's just me.

Get started and post back - I'll give you whatever help I can. It's very doable, just need to be willing to take the time and work out the issues as they arise.

The improvement in torque is amazing - and the extra HP from 6k - 9k is thrilling.
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post #29 of 29 (permalink) Old 06-23-2018, 08:29 PM
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Glad you finally got yours sorted out

Life is full of sharp corners
---------------------------------------------------------------
Current:
2007 S4RS
2004 749R #203
2006 S2R1000

Past:
2009 M1100S
2006 749S
2009 848
2006 S2R800
2004 M1000Sie
2006 S2R800
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