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  1. 6th Gear Ratios

    Supersport
    Gearing Cory. Thanks. That is exactly what I wanted to know. Cheers, Joe
  2. 6th Gear Ratios

    Supersport
    Does anyone know if there is a difference in the transmissions found in older 900SS's and the later "CR" models? If yes where might I find a gear chart or table to view the differences? I have been looking without much success. Thanks, Joe As usual this forum is fantastic.
  3. Dunlop Qualifiers on 97 900SS

    Supersport
    Tire wear Thanks that is exactly how mine looks. Have you ever tried the 102-60 front tire size on the track? Any reason why I should not try this? Hoping to quicken the geometry as much as possible. Right now ride height is up forks are all the way up and it is still pretty trainlike. Joe
  4. 900SS Frame modifications

    Supersport
    Steering I did both of those things. I have a ride height adjuster, added about an inch of ride height. Also dropped the forks as much as I dare and still maintain clearance between fender and triple clamp at full bump. It still steers like a train. I took the advice of the gentleman at...
  5. Swingarm question

    Supersport
    I recently found analuminum swingarm from a 900SS. I know that these have been prone to cracking. Is there some indication as to which ones are most likely to suffer this? Any identifying marks etc. I should look for on the swingarm? Joe
  6. Dunlop Qualifiers on 97 900SS

    Supersport
    I have been using Dunlop Qualifiers for the first time on my 900ss CR. Noticed that escpecially the front tire has a large section of tread that never gets used even at lean angles on the track. I am wondering if I am using the wrong sizes or something or is this just a trait of the Qualifiers...
  7. 900SS Frame modifications

    Supersport
    A while back I had seen a 900SS up in New Hampshire with a steering head that had been modified to take rake out of the front and decrease trail. I rode this bike and I really liked the result of the modification. Question: Does anyone know of a good person that might tackle a job like this...
  8. Starts when I release start button

    Supersport
    I have a question regarding the starting of both a 900SS (1992) and an Alazzurra. Both turn over well and have fresh batteries with a good charge. The odd thing is they turn over but only start when the star button is released. My other Supersports do not exhibit this odd behavior. Has anyone...
  9. Head Porting Vendors?

    Supersport
    I am on my third 900SS. I absolutely love them. I do not however love thier porting. I would really like to have a nice porting job done on this machine to allow better breathing for some other mods like split FCR's BUT...I am having trouble locating a good place with ducati experience that...
  10. Broken Head bolt.

    Supersport
    Head Bolt I second the opinion of doing all of the bolts while you are doing the front cylinder. If the bolt is broken above the shoulder and you can get visegrips on the protruding portion then go for it yourself. You will need, a can of PB blaster, a torch (we use a mapp gas torch), good...
  11. 93 900SS Foreign Object found in engine

    Supersport
    Anyone with experience rebuilding 900SS motors please help with the following question. Description. 93 900SS 20,000 miles 2nd owner. Starter died. Removed left side cover, removed flywheel, removed and replaced starter. Easy as pie until...... Reassembly. Owner and I notice a small...
  12. 170 rear tire on CR

    Supersport
    Raining argh Still raining here so have not had time to test the new Qualifiers too much. I did notice that the new front tire 120/70 is one inch larger in diameter than the old 120/60. So this adds more rake and thus trail and slows the steering. This may be what I have been feeling on the...
  13. Fuel Tank Vent

    Supersport
    fuel spraying My 900SS did not have one when I purchased it used. I filled up the tank, came to a stop and fuel was pouring out of the tube that routes to this one way valve. Purchased the valve and installed the valve so it lets air into the tank. This cured the problem of OMG why am I...
  14. Closing Valve Shim - to cut or not to cut

    Supersport
    I am with Lar on his comment. It sure is easier to just get the correct shim. But again it is interesting to note that when we have mic'd up shims they are not always exactly the size specified. Close but not exact. Splitting hairs I know but it seemed interesting to note. Joe
  15. Closing Valve Shim - to cut or not to cut

    Supersport
    machining valve shim We have used our precision surface grinder to remove material from shims. I think the most I have ever removed was about 4-5 thousandths. As far as how deep the case hardening is on the shim itself I do not know. It is an interesting question though. Might be worth...
  16. 170 rear tire on CR

    Supersport
    rear tire Yes I hear what you are saying. It just looked a little different than the tire I removed, a D204 I believe...not a nice tire. So do you feel any difference with the 170? Thanks, Joe
  17. Clutch failed changing front sprocket help?

    Supersport
    Slave failure Same thing happened to me. I bled it and though wait a minute that is just too weird. I took the piston out of the slave and found the extreme outer portion of travel in the bore to be corroded. Honed it with a small brake cylinder hone and reassembled. All was well. Tried to...
  18. 170 rear tire on CR

    Supersport
    I just mounted, against my better judgement ,a 170 dunlop qualifier to my 97 CR. Dunlop site says the 170/60ZR17 fits 4.50- 5.00-5.50 with 5.00 being ideal. So I figured I would try it and imho it looks a little mushroomed. It just looks like the edge of the tire would never see use. It is...
  19. Front tire: 60 or 70 profile?

    Supersport
    60 or 70 I just went through the exact same process. I ordered a 120/70 as that is what had been on all my other non CR 900SS bikes. The tire, Dunlop qualifier, rubbed on the stock fender. Solution was JUDICIOUS use of a heat gun on the rear inside lip of the fender and squeeze the outside...
  20. Leaky Tank Sender

    Supersport
    Leak implies dribbling, dripping, perhaps even a small constant flow. I use the term leak casually to describe the FLOOD of fuel from the bottom of my 900SS whilst sitting perfectly motionless on the track stand in our shop. It had the sending unit with the plastic flange nut. The flange...
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