Performance suggestions for my S4

[fouramdesigns]

Decided to keep it, see this project through, so BMW 2002 be damned. You can see my list of mod's below, I have the cosmetics worked out. What else can I do to my 916 to coax a little more out? Talked to the Duc Doc in Atlanta about the hi comp piston set, may rework the exhaust setup as well. I know the sprocket upgrade, what else?

[MonsterMan1036]

ST4S Motor

[fouramdesigns]

Source?

[Raux]

that's the first bike that has ever reminded me of a pit bull 

[He Man]

ST4S Motor

Dadayummm!!!! Is there a huge performance gainback from the BSTs? (i assume you have other mods on their that contribute as well!)

[sbrguy]

its putting out 140 at the wheel for a motor that is essentially completely outdated by todays technology by at least 10 years.  i'd say that is about as good as you can get.

[MonsterMan1036]

Dadayummm!!!! Is there a huge performance gainback from the BSTs? (i assume you have other mods on their that contribute as well!)

It's not the wheels, all motor! It has a ton of stuff done to it, I'll have too find the list.

It would end up being cheaper doing the ST4S motor than going the rout of building the 916 motor (start with a better base). A stock ST4S motor with a 50mm system should give you around 114-118hp at the wheel. If you look hard enough you should be able to find one for $1,500-$2,500.00.

[fouramdesigns]

Will this engine fit?
http://cgi.ebay.com/ebaymotors/Engine-2007-Ducati-Monster-S4RS-999-SBK-Deep-Sump_W0QQcmdZViewItemQQhashZitem2c52ec57d5QQitemZ190369781717QQptZMotorcyclesQ5fPartsQ5fAccessories

[corey]

start losing weight. both you AND the bike
get that sucker light as a feather.
BST wheels.
CF everything.
Titanium or Alloy FRAME.

[junior varsity]

bst wheels, carbon ceramic front rotors and drop in some performance cams, call it a day.

[fouramdesigns]

Ha. Alloy frame is $6K, not gonna happen.

[foggy123]

BST wheels, lw clutch, lw flywheel, st4s motor, cams, port and polish, ceramic rotors, better suspension, cf tank, better brakes, titanium fastners etc. 

Or just trade for a s4rs/fighter. 

[fouramdesigns]

No fun without building it myself. I may keep this one mild stock with comp pistons, new ECU/exhaust, new sprocket, slipper.

[junior varsity]

best spent money would be on wheels over motor parts. seriously.

any motor work requires dyno tuning to get it 'right' and you'll find a bunch of other small things to do while you are in there. If the heads are coming off, might as well throw a lightweight flywheel on. And some cams. and lighten the crank while you are balancing it. And lightweight rods.



Again, wheels.

[fouramdesigns]

those bastards are almost $4K! Gee's, I'll play with a few light mods, finish the cosmetics, then replace the motor down the road. Glad I have you boys for advise. I was hoping to build the motor out a little for $2K