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Thread: 851/888 racebike basketcase

  1. #1
    Join Date
    Jan 2015
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    Chicago
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    312

    Default 851/888 racebike basketcase

    I just picked up an old racebike from the son of this man:

    http://www.speedwaybikes.com/rw/upaul_o.htm

    http://www.roadracingworld.com/news/...e-with-cancer/

    The original 4v motor was blown up years ago and replaced with a 2v 944 and FCR 41's. It is very rough and has 916 front/side fairings with 851 tail. It has some extremely rare calipers, magnesium wheels in need of refurbishment, and some other nice bits, but most of the bike is very rough. I will be overhauling everything. The ugly paint will go, but the father's number 33 will remain. My plan is to keep this motor until next year or until I find a cheap ST4S donor.

    First step is to identify exactly what the bike is. The son thought it was an 888 and seemed to remember his father ordering it direct from Italy. That may explain the fact that the frame has no VIN stamped into the headstock. But it looks like an 851 frame. Is the subframe stock? Modified with the overflow tank? What about the aluminum fuel tank?

    So what is it?


    ***EDIT***
    With Photobucket off the rails, it looks like all the photos will have to be reposted using another site or methods. This will probably begin on page 22.
    Last edited by nine16; 07-05-2017 at 04:14 PM.
    '01 996R, '94 888 SPO Ltd, '88 851 Adamo racebike, '91 ZX-7R K1 homologation, '89 NSR250 MC18r5k, '01 Derbi GPR50/75, '71 CB450/500 café.

  2. #2
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    Default

    More pics of the teardown.
    Last edited by nine16; 07-05-2017 at 04:12 PM.
    '01 996R, '94 888 SPO Ltd, '88 851 Adamo racebike, '91 ZX-7R K1 homologation, '89 NSR250 MC18r5k, '01 Derbi GPR50/75, '71 CB450/500 café.

  3. #3
    Join Date
    Nov 2007
    Location
    North Carolina, USA
    Posts
    686

    Default

    Some interesting old race bikes coming out of the back of garages these days.

    I will take a crack at this----looks like it started out as a street 851 (frame, suspension with a few interesting race parts, (rims, front calipers, GaCaMoto cans). The rear sub- frame seems to be an updated aluminum 851 SP piece.

    Nice modification to the aluminum 851 tank- external quick connects and front slide in mounts (or something like that). What is the modification on the top of it- air pocket?

    The rear suspension rocker is very interesting- not stock- looks like a billet piece which is very rare if it is factory.

    I cannot get a bead on the bodywork- almost 916.


    Just noticed the extra tube for the exhaust muffler support- that is something I have not seen before
    Last edited by MarkT; 02-10-2015 at 08:28 PM. Reason: muffler support tube

  4. #4
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    Chicago
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    Default

    Yeah, the front and belly pan and 916. Rocker is clearly for adjustable ratio. I'll double check--it's definitely aluminum, but looked cast, not billet.

    Couple more shots--Veglia tach and older radial brake master.
    Last edited by nine16; 05-15-2018 at 10:19 PM.
    '01 996R, '94 888 SPO Ltd, '88 851 Adamo racebike, '91 ZX-7R K1 homologation, '89 NSR250 MC18r5k, '01 Derbi GPR50/75, '71 CB450/500 café.

  5. #5
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    Aug 2009
    Location
    DePere, WI
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    Default

    What a fun project!

  6. #6
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    Jan 2015
    Location
    Chicago
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    Default

    Got the bike all stripped down on Saturday. Now the frame and a lot of other parts are off for blasting before being gusseted and corsa-fied.



    '01 996R, '94 888 SPO Ltd, '88 851 Adamo racebike, '91 ZX-7R K1 homologation, '89 NSR250 MC18r5k, '01 Derbi GPR50/75, '71 CB450/500 café.

  7. #7
    Join Date
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    Location
    Chicago
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    Default

    Going to have to figure out to repair or replace these front tank mounts.



    '01 996R, '94 888 SPO Ltd, '88 851 Adamo racebike, '91 ZX-7R K1 homologation, '89 NSR250 MC18r5k, '01 Derbi GPR50/75, '71 CB450/500 café.

  8. #8
    Join Date
    Jun 2007
    Location
    Bris Vegas
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    3,380

    Default

    Yep that bits broken!
    Griff
    To infinity and.......

  9. #9
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    Aug 2007
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    Cornwall S.W. England
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    Default

    Those front tank brackets aren't original to that frame, they've been added at a later date.

    Steve R

  10. #10
    Join Date
    Dec 2007
    Location
    Berkeley, California
    Posts
    333

    Default

    I raced and competed with Paul Orlandi for many years. He was the nicest guy off the track and a fierce competitor on the track. His main bike was a 1985 Ducati F1a that he raced and developed into a very competitive bike.

    He stuck with the F1a well into the '90s when everyone else was riding 888's and 916's. He still won races on the F1 while other racers had 888 Corsas with 926cc and Ferracci 955 kits (one of them being my ex-Fogarty Ducati factory World Superbike), and even one with a brand new 916/955 Factory race bike.

    He finally got tired of being 50HP down on the competition and bought a used 851/888 race-bike from Jimmy Adamo. I remember it being one of the early 851 Tricolore Kit race bikes that Adamo got from the Ducati factory team and then raced himself.

    Paul had nothing but problems with the bike. He first had electrical fuel injection speed/reference sensor problems which were common with the early kit bikes. Then the bike dropped a valve (head broke off the stem). At that point he was done with the four valve water-cooled engine.

    Since he had so much luck with the F1, he decided to install an air-cooled 900SS motor in the 851 frame.
    It ended up working very well and he won the 1998 AFM Open Twins Championship riding both the F1a or 851/900SS depending of which worked better on a particular track.

    While I was still building my Formula Singles Spondon/Yamaha race bike, I ended up riding my mildly modified 900SS Street-bike in the AFM OpenTwins race class. My best finish was a 5th or 6th place in the Open Twins class.

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