Your pristine 748r doesn't run properly at full throttle/low rpm or part throttle, higher rpms?
It's not because it's a racebike - it's just mapped improperly.
2000 System: Marelli "1.6" electronic injection, 54 mm throttle body, shower injector
2001 System: Marelli "1.6" electronic injection, 54 mm throttle body, shower injector
2002 System: with 1.6 ecu Marelli electronic injection, 54 mm throttle body -
must check ECU and Injectors.
Some 2002 748r's have the old P-8 ecu and there is only custom tuning for the P-8 ecu and it never idles well.
You'd think that if you had developed a chip that fixed a particular bike's major issues that would sell like hotcakes - wouldn't you? Maybe everybody just accepts the 748r's poor drivability?
IS pretty and is one of the BEST sounding internal combustion engines
It took the
Low Inertia EC997 Eddy Current dynamometer
system to be able to develop this multi faceted
(main fuel, fuel offset, coolant temp., air temp., ignition, idle ignition,
full throttle ignition) chip.
PART THROTTLE OPERATION
pretty disconcerting to buy one of the most expensive (and prettiest
and best handling) 750's around and then have to hear:
the tuners with more (successful) mc Fuel Injection tuning experience
than just about any other single USA company.....
FULL THROTTLE at 3000 rpm
We fixed the bogging.
FULL THROTTLE at 5000 to 6000 rpm
We fixed the flatness.
Part throttle Cruise
We fixed the surging
A 748R chip that works. At full and part throttle.
chips deliver smooth running at cruise, full throttle AND at part throttle
- even at 3k and 9k rpm!
Got something unique? Ported? Cammed? Bored throttle bodies? $775 -
(for custom programming)
How did WE do it - and not the others?
No other dyno will provide the dyno power and engine smoothness
information required to fix the 748r map.
Still tuning by luck? Stop.
What does it take to design a map for a fuel
injection system? A few things.
An exquisite low inertia
dyno, the Realtime 4 Gas EGA
and an EC997 dyne system, that can measure
part throttle engine smoothness (State of the Art dyno feature - and
not a dj feature)
Lot's of test rides....... (Gee - that's a "bummer"! :-))
Patience. Patience. Patience. Dedication. A desire to do the best.
ECU's and "shower type" 748r injector setup used on the Ducati has unique
issues, among other things.
Factory Pro EC997 dyno Power and Drivability to the 748r and 996! The Most and the Best.
Call. Get one. It's good for
you and your Ducati!
Email about the Power
Commander Trade-in Upgrade Program and the competitive EPROM upgrade
More customer feedback on the 748r as reports come in!
Email us with feedback! We will post them here!
Idle quality and cruise smoothness after installing the Factory Pro D748 chip
After installing the Factory Pro Eprom or any Eprom, you may find, due to the differences in each and every individual bike, that the idle quality will change - sometimes for the better - sometimes, not..... Idle pot setting also affects the fueling at idle and at cruise.
If you install
a different Eprom, and the idle quality or cruise quality changes, (and,
actually, it should - as a general rule), you should adjust the Idle
Locate the small potentiometer IN the ecu, just to the side of the chip socket ECU (uses a very small flat bladed screwdriver to adjust) and, as the bike is warmed up and running at idle, turn the adjusting screw either way till you find the setting that produces the highest rpm idle. Done?
Don't fret about
which way on the "pot" is leaner and which way is richer - it makes
no difference - just find the "happy" place.
Put everything back together and go for a ride.
Final trim the pot to smoothest cruise.
TECH and links
pics of shower injectors
EFI and Carb Tuning - Most all FI and carb tuning
by Wheelsmith Racing
one of the most established flight training facilities in the USA.
Flight Training - train with AMA race winner Todd Harrington.
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We use a variety of proven drills and training techniques.
Practicing these techniques with our Yamaha dirt track trainers will enhance your abilities both on the track or the street.
It doesn't matter what you ride or race, the Rich Oliver Mystery School improves everyone's skill level and mindset!
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Edited to the tunes of Chemical Residue by Herbie Hancock.
Maybe in next rewrite, he'll fix the ignition timing and dyno chapters...
Otherwise great book with great starting ideas.
The little blue bible for quick references and little known facts.