Ducati 900ss / 900cr / 900sp 91 - 98 (w/ stock 38mm downdraft CV Mikuni carburetors) | ||
Finger Adjustable 'Long Boy' extended fuel screws | ||
Long Boy Fuel Screw Kit $44.95 | 'Long Boy' Frustrated with trying to find an 'almost 90 degree' screwdriver to fine adjust your fuel screws for best idle and cruise? Make your life easier! Installation:
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SUGGESTED This Factory Pro Carb kit, new Factory Pro plated needle jets and finger adjustable extended fuel screws | ||
Carb kit inc needles, tubes and fuel screws | A Fresh start CRB-D09-1.1-NJ-FS 1. Ti Pro carb kit 2. new nickel plated emulsion tubes 3. extended fuel screw set The number 1 internet recommended Ducati kit. ................. Received parts with thanks on Monday, Excellent service! I have fitted the needle valves, The Duke runs a treat, best it's ever been. Once again, thanks for the great service and superb replacement parts. | |
Factory Pro Carb kit only (without new Factory Pro needle jets or fuel screws) | ||
Standard Premium drop-in carb kit $99.95 USE WITH THE STOCK AIRBOX | CRB-D09-1.1-TI (carb kit only) Adds more low-end / midrange, if the proper main jet is selected, more top-end power. Easy to install and tune - no slide drilling! Suggest using a BMC replacement air filter for increased airflow. Make float height setting easier! Pick up a Float Cage Holder for Mikuni 38mm carbs - See bottom of this page - This is the kit that brings back that lowend performance that you lost with that dynojet kit - | |
Factory Pro Carb kit only (without new Factory Pro needle jets or fuel screws) | ||
Standard Premium drop-in carb kit $109.95 pn: CRB-D09-3.1-ti for open top airbox or pod filters | CRB-D09-3.1-TI OPEN TOP AIRBOX OR INDIVIDUAL POD FILTERS Adds more low-end / midrange, if the proper main jet is selected, more top-end power. Easy to install and tune - no slide drilling! Make float height setting easier! Pick up a Float Cage Holder for Mikuni 38mm carbs - See bottom of this page - This is the kit that brings back that lowend performance that you lost with that dynojet kit - | |
New main jet o-rings 6 pcs Mikuni # 007-790 $5 for 6 orings | New o-rings for Mikuni 'press-in' n208099 main jets. If you are jetting older carbs, it is a good idea to get new main jet o-rings when buying a carb kit. | |
Nickel plated needle jets - Factory Pro | ||
(replaces 13240041A - Ducati calls it a 'needle valve') | CRZ-EMU-100120k (replaces oem duc pn: 13240041A) Factory Pro design stock replacement Emulsion Tubes / Needle Jets Replace worn needle jets in stock carbs. The needle, stock or aftermarket, will wear the needle jet orifice oblong - causing excess fuel to flow at cruise and low rpm. Additionally, the fuel that does get released is in larger, less burnable droplets. Replace the emulsion tubes / needle jets if there is more than 10k miles of varied use or 5k miles of in town driving on the bike before trying to tune. You will save time and energy. Note that, with fuel level adjustments, you can make some mixture adjustments with the 'fuel level', as adjusted by 'float height' changes. | |
Float bowl gaskets | ||
for BDST38 carbs reference: 134.4.003.1A $16 for 2 | ||
Lightweight Shift Centering Spring $49.95 Click Here to buy SPECIAL INTRO! $39.95 Just rode bike awesome shifting, smooth, smooth smooth thanks Mike Hoak August 2013 | Lightweight Shift Centering Spring For when you decide that you want lighter feeling shift lever action for better feel. A lighter foot shift pressure is less unsettling. Decreases lever effort required to make a shift. Makes foot shift pressure more like other sportbikes. Since you are not having to push so hard to move the lever, it's easier to find neutral. Like your rearsets? But, no matter how you lube, shim, adjust the arcs, angles and lengths, it's still annoyingly stiff to shift? | |
Float Height setting tool - relatively universal |
Actual Screen on EC997 Eddy Current Dyno
CRB-D09-1.1-ti Ti ProKit Carb Recalibration Kit
This Carb Recal Kit is the biggest selling kit in Italy! It was developed on the EC997a Eddy Current dyno and ROAD TESTED for best part throttle 'snap'. Make sure to adjust float heights when installing and tuning the Ducati!
Be sure to careful inspect the needle jets (it's the orifice hole in the emulsion tube) for any signs of ovality. Any wear in the hole will allow fuel to enter the carb bore in large droplets that do not burn efficiently and arrive in higher quantities than desired causing poor low speed operation.
Factory stocks stock replacement emulsion tubes for Ducati, TDM/TRX, YZF750 and FZR1000 carb sets. Marc
sample installations:
model | 95SS | 95 | 94 | x | 96CR |
exhaust | stock | Carbon Tech slip-on | Staintune | Aircone of Nevada | D&D slip-on |
muffler | stock | comp | quiet | straight thru | straight thru |
filters | stock | no top,K&N | stock w/o snorkel | stock w/o snorkel | BMC/stock lid/no snorkels |
advancer | stock | stock | stock | stock | stock |
pilot | #40 | #40 | #40 | #40 | #40 |
fuel screws | 3.5x | 2.5 to 3.0x | 2.5x | 3.0x | 2.5-3.0x |
float height | 15mm | 15mm | 14mm | 14mm | 14mm |
needle/pos | #4 | #4 | #2 | /4 | 1180g4-102n-44t5/4 |
main jet | 122.5 | #130 | #130 | #127.5 | #130 |
ave. temp | 75 f | 70 | 70-80 | aprox. 70f | 92f |
humidity | dry | dry | moderate | moderate | 38% |
barometer | x | x | x | x | 30.06 |
elevation | sea level | sea level | sea level | 1200 | sea level |
shop | Wheelsmith | x | Wheelsmith | x | WSR |
location | San Rafael, Ca. | Anaheim, C | A San Rafael, CA | Oklahoma City, OK | San Rafael, CA |
installer | Wheelsmith | Tom G. | Raul | Hank B. | P. Verdone |
Hi Marc,
Installed the full Perfect Mikuni Ti rebuild kit in our recently acquired 900ss. The bike is a very clean example with only legit 4700 miles on the clock.
—Stock air box
—Snorkels in
—KN filter
—Stock header
—Remus CF slip-ons (same as Ducati Performance of the day)
Carbs looked like they were brand new when pulled, with some very slight wear to the original needles and tubes and a very poor synch job.
Best (perfect, actually)setup for us in Santa Monica, California:
—130 Main Jet
—40 Pilot Jet
—Needles at position 3
—Vertical Fuel Screw at 3.75 turns out
—Horizontal Fuel Screw at 3.5 turns out
The Duc now pulls clean and hard from 1100 RPM idle straight to redline, with no backfire on decel and plugs that look great. Warm-up is easy, with very little choke needed for just the first 30 seconds or so.
Thank you,
Greg and Noah Pinto
—Remus CF slip-ons (same as Ducati Performance of the day) Carbs looked like they were brand new when pulled, with some very slight wear to the original needles and tubes and a very poor synch job. Best (perfect, actually)setup for us in Santa Monica, California: —130 Main Jet —40 Pilot Jet —Needles at position 3.
- The FE stands for 'Final Edition', and the 900SS FE was a last special production run of the old carburettor-equipped SS before it was replaced in 1998. Based around the 900SS Superlight, the FE had special cosmetics, a tuned engine, and elegant chassis changes. The special silver single-seat.
- Get a list of related motorbikes before you buy this Ducati. Inspect technical data. Read the riders' comments at the bike's discussion group. And check out the bike's reliability, repair costs, etc. Show any 1998 Ducati 900 SS for sale on our Bikez.biz Motorcycle Classifieds. You can also sign up for e-mail notification when.
Thanks for the springs. Got them last week and installed the jet kit over the weekend along with new exhaust cans...it's like a whole new Monster. Very impressed overall with the kit and your service. I'll definitely recommend the kit to my friends. Thanks again. Perry Steen |
Float Height Setting Trick for 38 Mik's | |
One of the problems with setting the float height on the 38mm downdraft Mikuni's that come on Ducati's, yzf 750's, tdm 850's and fzr1000's, is that the darn white plastic 'float cage' keeps popping out of the carb body unless you hold it in. When you hold it in with your fingers, you always flex the cage frame and distort the reading that you are setting the float height at..... Aaarrggghhh!! :-) After spending 45 minutes setting some yzf750 carbs in the sweltering Mid Ohio heat of summer, I decided to make a float cage holder and sell 'em! I'd make a million $$!! | |
When I got back to work, I set up and made a pile of cute little flat braces. As I was sitting there, admiring my cleverness...... one of my parts guys wandered by and asked what was I making? I showed him that you could just take my clever little piece of aluminum and hold those float cages right tightly up into their seated position - so you could get consistent float height readings. | |
He says..... It looks like you could just put the float bowl on with the front holes on the bowl lined up with the rear holes on the carb body and slap some screws in and it would do the same thing........... | |
I bought him lunch with the million $$ I didn't make.... Marc | |
Hello. Here’s the pics you asked for! Thanks for the help, the bike runs BEAUTIFULLY now, lots more power! The front end now comes up on the throttle – whereas it didn’t before! There’s another pic in there too where I used a bar code to measure the bowls. I found this a lot easier than using a ruler. I measured the bar next to the number “8†on my barcode to be the recommended height on my bike – 14mm. -Mike Beary Thanks Mike, for the pics! |
Links
www.spakman.net
Accessories of quality
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LINKS People ask me how I select the below links - as they aren't all mc related. The below links are people and companies that are consistently impressive with their continual uniqueness and dedication to providing traditionally valued, quality products and services. Marc | |||||
EFI and Carb Tuning by Wheelsmith Racing | |||||
The Rich Oliver Mystery School will help you discover your hidden inner strength. It will challenge you. It will teach you a new way of thinking, and a new way of riding. You can take your riding to an exciting new level! 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! | |||||
Factory Pro Spring Special! Book a sightseeing flight over the Wine Country or a Kamikaze aerobatic flight or a biplane flight over Infineon Raceway, the Golden Gate Bridge and the San Francisco Bay for one or two during the spring and get a free souvenir t shirt! 707 938 2444 | |||||
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The extension of the laboratory for engines of the Swiss Federal Institute of Technology was completed in about 1935. Its architect was Rudolf Otto Salvisberg (1882-1940). He had a successful career in Berlin but returned to Switzerland after the advent of the Nazis. His architectural style was somewhat similar to that of Erich Mendelsohn. The staircase of the laboratory is in normal use but well preserved. 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. |
My bible |
The little blue bible for quick references and little known facts. |
Ducati 750SS 900SS 1991 1992 1993 1994 1995 1996 1997 1998 Repair Service Manual PDF Workshop Service Manual Repair PDF Download
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1998 Ducati 900 Ss Ie Manual Transmission
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