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Welcome!  My son Steve and I converted a 2006 Ducati S2R 800 into a Matrix Monster.

Originally he owned a 2004 Ducati 620i.e. Matrix Monster.  The 620i.e. was nice but we thought this Monster deserved the power of the S2R800 and the unique look of the single side swing arm.  Most all of the components are Ducati Performance or stock bits along with after market Rizoma, STM, and Arrow.  The gallery shows the photos as we transformed an S2R Dark into "Il Mostro Verde", S2R Matrix Monster.

The Green Monster

Started with a 2004 Matrix 620i.e. bought from its first owner in Champaign Illinois, a guy who was studying at University of Illinois.

Purchased the 2006 S2R from its first owner in Charlotte, NC.

Completed moving all the cool Matrix bits onto the S2R and then sold the 620i.e.

Matrix (metal) fuel tank


Headlight cowl and windscreen


Front fender


Tail cowl and seat


Side panels


Showa Forks


Brembo Gold 4 piston front brake calipers


Brembo front rotors


Brembo Gold rear brake caliper



Sub-frame chop / bob


Arrow exhaust...very happy with look, sound, and the performance


Rizoma clip-ons and fork caps, 996 Brembo clutch and brake masters, with levers


Brembo rear brake master




CF timing belt cover


STM frame plugs


Corse Dynamics Crank Case Inspection Cover


CF Front Sprocket cover




August 24, 2019 - New 800 engine installed.  A few months ago, I came across a 2005 800 engine from a guy who had recovered a zero time engine from a brand new - at the time - wrecked Monster.  Presumably it was crashed and totaled as it left the lot!  The exterior of the engine had suffered flaking paint and some surface corrosion, and very minor scuff on the alternator cover.  On disassembly, it was apparent that it had hardly been run at all, backing up the 4 miles on the odometer as stated by the seller.  There wasn't a spot of carbon on the pistons, valves, or head.  There was still traces of assembly lube in interior of the alternator cover and clutch cover.

After teardown and then extensive clean up and strip of the original paint, I primed and painted, then baked to cure.  New belts, plugs, oil and filter etc., and on 24 Aug 19, conducted the transplant.  It replaced the existing 800 engine, which was starting to exhibit some oil smoke.  That engine will get will some TLC and I will try to determine the cause of the oil burning and fix it.  (hopefully something simple)

March 31, 2010 - replaced Rear Brake Master cylinder, old master would not relieve pressure in system when pedal released...plunger adjusted properly, even with plunger withdrawn, pressure would not fully relieve.  Disassembled the previous master, relief port was clear, likely seal issues, so just replaced the master with a new one from Brembo that was about $10.00 more than the seal kit.

Brembo PN 10477612 / Ducati PN 62540061A

Also, installed new pads, Brembo PN 107268625 / Ducati PN 61340081A


Winter 2018/2019 - Discovered a fuel leak (weep) coming from right side tank "crap pockets".   Noticed two small blisters at bottom of right side crap pocket and saw wetness from gasoline.   A small spot on the floor where it had been dripping clued me in to the issue, at first I assumed oil drip but checked with the sniffer and realized it was fuel.   Damn, I hate ethanol in gasoline!

Drained the steel tank and removed the internals (fuel pump, filter, fuel level sending unit etc.)  did aggressive bolt and acetone rust removal iterations, used a heavy magnet to aid in capturing loosened rust fragments.

Opted for Caswell Motorcycle Gas Tank Sealer in Battleship Grey.  I ordered one kit at first but then thought better of it as I read more and bought a second kit.   With the Matrix fuel tank no longer available from Ducati, I did not want to leave coverage to chance.


The kit as sold is advertised as enough to line a 5 gallon tank, not all tanks have identical surface area and I venture to say the Monster has probably the most surface area of any 5 gal tank I have seen.  The kit was enough to cover the entire interior of the tank by following instructions to the letter.  By all accounts it is quite temperature sensitive so I was sure to have my garage at 74F for two days for the tank and the two kits of two part epoxy to thermally stabilize before beginning the application.

Again, for the Monster, one full Caswell Motorcycle Gas Tank Sealer kit is enough, minimal to no waste.  Using a decent small silicone spatula to get all the resin and all the hardener out of the cans into the mixing tub and then work immediately to thoroughly mix the the epoxy (Caswell recommends about two minutes to mix) followed by pouring into the tank and beginning the coating process.

I opted for two kits, to do a second application, which I did about 16 hours after the first application.  Caswell recommends that if a second application is desired to do so within 24 hours of the first for best adhesion.

The most time consuming phase, besides cure time, is preparation.  Preparation is key from the initial tank removal and getting the loosened rust out of the tank, to cleaning (use Acetone to rid of fuel and any trace oil or anything to interfere with the epoxy bonding) to protection for all painted surface of the tank.

Caswell suggests that you need not remove all the surface rust which is good because my rust problems were in the crap pockets and the lower aft ends of the Monster fuel tank.  In addition to slapping the sides of the tank by hand to vibrate and loosen larger rust deposits, I used 30 drywall screws and acetone to agitate and loosen remaining rust.  I did get some of the screws wedged into the crap pockets and it was a pain in the butt to get them all out, which I eventually did.

I spent a bit of time cleaning the vent lines that pass through the tank and capped them inside the tank with fuel line.  The fuel supply line I closed off with fuel line, but the return line is in the bottom aft portion of the tank and with some effort, inserted a plug into that line opening to keep any epoxy out of that line or from obstructing it.

Used an o-ring with an aluminum disk inside the fuel sender nut to close the bottom opening in the tank (fuel sender hole) and purchased an expansion plug (5") from McMaster-Carr (2613K29 - Wing Nut Expansion Plug with Zinc-Plated Steel Plate, for 5 Pipe Size) for the top of the tank where I removed the entire gas cap assembly.

I used 3M duct tape and it placed over the four pin holes I found in the right side crap pocket.

Duct Tape, 3M Painter's tape, Glad wrap, aluminum foil and more Glad wrap applied to the entire tank to protect the paint.  Preservation of the paint was vital to me, so I let very little to chance.  I mentioned Ducati no longer has this tank available for sale.   Finding the paint match is extremely difficult although I did get some touch up from a company in the UK.  I do have a set of the Matrix tank decals should my project and this solution fail.  Finding a Ducati Monster steel tank in good condition these days is quite rare.

The tank is sealed now.  The "crap pockets" are filled with epoxy and pinholes are closed.  Some touch up paint will be applied.  As the spots are not in sight line, not sweating that it will be touch up instead of re-paint.





1st Application:

2nd application


Exterior after sealed, crap pocket pin holes filled and crap pockets filled:

Touch up paint applied

re-painted bezel black while I was at it:


Photo Album


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This site was last updated 08/27/19