New Monster S2R 1000 - Where to start

[jthunder]

I purchased a used 2007 S2R 1000.  The seller was not the original owner and didn't know much about what had been done to the bike (just rode it basically).

The stock exhaust has been modified, from what I can tell it is a full-system Termignoni replacement from the headers back.  I don't know if the ECU was also changed or flashed.

The bike runs ok, I'm not sure if its the 1000cc twin or the ECU but it is really twitchy in 1st gear and almost sounds like a pop when I downshift hard into 2nd from 3rd.  It has also stalled a couple of times when stopped when the bike is warmed up.  The idle when warm also surges a bit when stopped at a light.

Is there any way to know what ECU/MAP is being used by looking at the bike?  My worry is that they did not flash the upgrade with the exhaust package.

What else should I do here?  I'm pretty handy guy but don't have any of the tools needed to poke around at the electronics yet.

Thanks again!

[Greg]

If I remember correctly, if it's the upgraded DP-ECU then you should see DP scroll across the dash when you turn the bike on

[Howie]

If I remember correctly, if it's the upgraded DP-ECU then you should see DP scroll across the dash when you turn the bike on

Only on the second generation Monsters. 

See if you can find the part# on the ECU and post up.

[jthunder]

Where is the ECU, how would I take pictures of it to tell what kind it is?

Is there any other components that would help know what type of modification was done to the exhaust?

Edit1: Definately no "DP" on startup
Edit2:  I would also like to take the handlebar riser off, but I need a set of the 4 original shorter bolts that are used to attach the clamps?  Best place to get those?

Cheers.

[stopintime]

The ECU is on the right side, below the battery - the part # stickers are 'easily' visible.
The exhausts for the S2R came with dedicated ECU's and open air filter lids, so it would be strange if it wasn't installed.

S2R1000 has a stepper motor to adjust idle. Not so uncommon that it surges, but maybe not normal that it stops.

The stock riser bolts are in the previous owner's garage - buy new at a dealer.

[Greg]

Only on the second generation Monsters. 

See if you can find the part# on the ECU and post up.

That's weird, my 2006 would say DP on the dash

[jthunder]

Here are the pictures of what I think is the ECU.




Ok a google search of the ECU 96517406B turns up some info that looks like the DP part.  Interesting.

[stopintime]

That's weird, my 2006 would say DP on the dash

Do you have the DP ECU or a reflashed stock ECU? I don't know, but maybe the dash message is something they put in when reflashing...

Here are the pictures of what I think is the ECU.

.....

Ok a google search of the ECU 96517406B turns up some info that looks like the DP part.  Interesting.

That is the ECU  Your dealer should be able to confirm, but the part # and the fact that exhausts were usually sold with dedicated ECU point in the direction of a DP ECU.

[red baron]

My 1k did similar hunting for idle, dealer tuned it out, via stepper motor and tech basically gave me two options:

A) deal with the hunting idle
B) deal with it being a bit hard to cold start, meaning I had to nurse the throttle a bit for a minute or so until she would idle on her own.

I chose option B and never looked back

The bolts can be sourced from McMaster Carr or the dealer or the classifieds here may even have something.

I think the DP on the dash is if they mate the ECU to the bike, IIRC once this is done it can't be used on any other bike/sold.


ps. Where's the bike pics?

[jduke]

I believe it has the DP Race ECU, the ones I've seen start with the number "9".
You can Google Guzzidiag and download the program, the reader and the writer. You can backup the map on the ECU, reset the service icon and test various sensors. Not sure what for your particular bike but there should be some to test.
Get LT's Repair Manual http://www.desmotimes.com/ and some tools and learn to work on your bike.

[jthunder]

Awesome info, thanks for the help.  I think I'm happy with the ECU being the right one.  I've got a few things that I'm going to do over the next couple of days/weeks:

1.  Change oil and filterscreen.
2.  Change front brake pads.
3.  Reset the suspension to stock and tune for 1-up and more of a track setup (it is way to soft right now).
4.  Change out the rear tyre.

Any other tips, sprocket changes? swap bars for clip ons?

Pictures coming....

[1.21GW]

Awesome info, thanks for the help.  I think I'm happy with the ECU being the right one.  I've got a few things that I'm going to do over the next couple of days/weeks:

1.  Change oil and filterscreen.
2.  Change front brake pads.
3.  Reset the suspension to stock and tune for 1-up and more of a track setup (it is way to soft right now).
4.  Change out the rear tyre.

Any other tips, sprocket changes? swap bars for clip ons?

Pictures coming....

I say do nothing for the rest of the summer (other that what you list).  That way you get a feel for the bike.  And then you have a baseline to decide if you want/need to change the ergonomics, gear ratio (via sprockets), etc.

I know that's probably not the answer you're looking for, because it sounds like you are champing at the bit to get modding.  If that's the case, do cosmetic mods for now until you have some familiarity with how it rides and then after a thousand miles or two do mods that affect performance/ride.

[jthunder]

Ok great ideas,

I'm going to change the pads, fluids and filters just so I know that is all taken care of.  I also have a tail chop kit on the way with replacement signals for the front and rear, I think this will help show the bike and single sidedness off a bit (I am in the less-is-more camp).

I hear the tip about getting a feel for the bike before changing the geometry/ergos.   Here is a bit of my inspiration for changes:

[koko64]

Do you know when the cambelts were last changed?

[Greg]

Do you have the DP ECU or a reflashed stock ECU? I don't know, but maybe the dash message is something they put in when reflashing...

I believe mine was reflashed by the dealer