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Thread: road bike project scratch built

  1. #91
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    Have you considered a gps speedo?
    Heres one example, they come in styles to suit most applications, and the price looks right.
    https://www.ebay.com/itm/85mm-GPS-Sp...RoC8nAQAvD_BwE

  2. #92
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    Quote Originally Posted by sidecar bob View Post
    Have you considered a gps speedo?
    Heres one example, they come in styles to suit most applications, and the price looks right.
    https://www.ebay.com/itm/85mm-GPS-Sp...RoC8nAQAvD_BwE
    Hi Bob . cant get certified/wof with a gps speedo

  3. #93
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    Quote Originally Posted by Ian Staples View Post
    Hi Bob . cant get certified/wof with a gps speedo
    Too accurate & simple are they?
    Glue a piece of fuel line to the back if it & run it to the front hub. That should throw them off the scent.

  4. #94
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    Quote Originally Posted by jellywrestler View Post
    most speedos have one of about two or three differnt ratios output from the wheel, and matching speedo, isn't there something out there with a similar axle size that will fit?, there's still plenty of bikes running cables like rf900
    I looked at the gsxr 600 wheel bearing size and it would appear to be the same as a 1200 bandit amongst others ,I couldn't find rf900 bearings . I have asked a guy on TM to measure the bore and width of a bandit drive. The other problem is there is quite a small gap between the wheel and fork on the 600. I would be very happy if I could get a cable drive to work

  5. #95
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    25th March 2004 - 17:22
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    On my RZ I used an R1 dash, then mounted a hall effect sensor (R1 part that usually counts teeth in gearbox) and mounted it on a bracket nderneath the cover counting front sprocket teeth. Then a 12o'clock labs speedo adjuster to calibrate. Took sense from ignition for tachometer. Depends if that's a look you want.
    I've been told. Dreaming`s free.
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  6. #96
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    Quote Originally Posted by Ian Staples View Post
    I looked at the gsxr 600 wheel bearing size and it would appear to be the same as a 1200 bandit amongst others ,I couldn't find rf900 bearings . I have asked a guy on TM to measure the bore and width of a bandit drive. The other problem is there is quite a small gap between the wheel and fork on the 600. I would be very happy if I could get a cable drive to work
    https://www.cmsnl.com/suzuki-rf900r-...l#.XvmsWSgzaUl
    The R900 has a 20mm id bearing so 20mm axle 6204
    Yamahas of that era had poxy little axles 12 and 15mm.


    96 bandit 1200 is the same 6204 or 20mm
    https://www.cmsnl.com/suzuki-gsf1200...l#.Xvms5CgzaUk

    here is a list of axle sizes that might help.
    20mm
    Honda CB400 F 89-90, CBR600 Hurricane 89-90, CBR600 F Hurricane 91-96, CBR600 SE 96, VT600 Shadow 88-97, NT650 Hawk 88-91, CB750 SC 91-93 & 95-97, RVF750 R RC45 94-95, VF750 C/C2/D 94-97, VFR750 F 86, VFR750 F Interceptor 88-97, PC800
    Pacific Coast 89-90, CBR900 RR Hurricane 93-97, CBR1000 F 87-88 & 90-91 & 93-96, CBR1100 XX Blackbird 97, VT1100 C Shadow 87-96, VT1100 C2 ACE Shadow 95-97, GL1500 88-97, GL1500 Valkyrie 96-97, Honda VF750 C/C2 98. Kawasaki ZX750 Ninja ZX-789-90. Suzuki GSX-R750 88-92, GSX-R750 W 92-95, Honda CR12500-03, CR125 95-97, CR250 95-97, CR250 00-03, CR500 R 95-97. Kawasaki KX125 93-97, KX250 93-97, KX500 94-97. Suzuki RM125 96-97, RM250 96-97. Yamaha YZ125 96-97, WR250 Z 97-98, YZ25096-98, Kawasaki ZX600 E ZX-6 93-98, ZX600 F ZX-6R 95-97, VN800 Vulcan Classic 96-97, VN1500 D 96-97, Yamaha YZF750 R 94-97, FZR1000 94-95, XVZ13 Royal Star 96
    https://www.dotheton.com/index.php?t...ze-list.20952/
    25mm
    Kawasaki ZX750 ZX-7, ZX-7R, ZX-7RR 91-96, ZX900 B ZX-9R 94-97, ZX1100 D ZX-11 93-97, Suzuki GSX-R750 96-97, TL1000 S 97.GSX-R600 97

    most often if you look on the parts fiche it will have the bearing size and you can see the speedo drive as well
    i also gave you a link in a rep comment to a listing with all the bearing sizes for most bikes
    Quote Originally Posted by Katman View Post
    I reminder distinctly .




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  7. #97
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    Quote Originally Posted by husaberg View Post


    most often if you look on the parts fiche it will have the bearing size and you can see the speedo drive as well
    i also gave you a link in a rep comment to a listing with all the bearing sizes for most bikes
    the bearing size will tell you the axle size there, but some are have a shoulder butting into the bearing so not foolproof

  8. #98
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    Quote Originally Posted by jellywrestler View Post
    the bearing size will tell you the axle size there, but some are have a shoulder butting into the bearing so not foolproof
    True, but in this case both the bearing are the same, the pictures show the shoulder or no shoulder and in this case the axles are stepped but only to the forks..the pics in the parts fiches also show what side the speedo drive is on in this case its the narrow dia end
    Click image for larger version. 

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    Also the listing for the axles spec i put above show left and right dia.

    Lots of Hondas were stepped. Surprising they never invented axle sizes for them like the steering head bearings.
    Some KTM run bearing sleeves inside the bearings from the spacers
    Quote Originally Posted by Katman View Post
    I reminder distinctly .




    Kinky is using a feather. Perverted is using the whole chicken

  9. #99
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    Quote Originally Posted by husaberg View Post
    https://www.cmsnl.com/suzuki-rf900r-...l#.XvmsWSgzaUl
    The R900 has a 20mm id bearing so 20mm axle 6204
    Yamahas of that era had poxy little axles 12 and 15mm.
    . . .
    My YZF was 20mm
    I've been told. Dreaming`s free.
    Think I'll go, back to sleep.
    Everybody listen, voices in my head
    Everybody listen, do yours say, what mine says?

  10. #100
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    31st August 2015 - 22:37
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    pretty sure its 25mm . This kind of stuff is a lot easier if you can go to a wrecker and fossick around in the bins and mix an match parts but Road bike wreckers are non existent around here

  11. #101
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    Quote Originally Posted by Ian Staples View Post
    pretty sure its 25mm . This kind of stuff is a lot easier if you can go to a wrecker and fossick around in the bins and mix an match parts but Road bike wreckers are non existent around here
    pete sales, total motorcycles, is not too far away, by Ash behind joe's a bunch of flowers and ask him to measure everything that comes into get a wheel change done over the next month, or other busier shops in town

  12. #102
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    I basically gave all my CB750/900 parts to Alister Hunt 027 297 8034 50 Tweed Street Palmerston North. Bigalsmc137@gmail.com Might be worth a shot contacting him.

  13. #103
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    Quote Originally Posted by jellywrestler View Post
    pete sales, total motorcycles, is not too far away, n
    Plus one for Pete.

  14. #104
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    20th January 2010 - 14:41
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    Quote Originally Posted by F5 Dave View Post
    My YZF was 20mm
    20mm Yamaha YZF750 R 94-97, FZR1000 94-95

    As was mentioned on the list the TZR rd and the FZR were the poxy small ones i was meaning.
    they got bigger on USD's
    Quote Originally Posted by Katman View Post
    I reminder distinctly .




    Kinky is using a feather. Perverted is using the whole chicken

  15. #105
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    Quote Originally Posted by Ian Staples View Post
    pretty sure its 25mm . This kind of stuff is a lot easier if you can go to a wrecker and fossick around in the bins and mix an match parts but Road bike wreckers are non existent around here
    What were the fork's, first 600 model Spad?
    Simon Gooding..... Good Parts will tell you what he has in what size if you ask nicely. Send him a picture or a link.
    https://nzbikeparts.com/
    goodpartsnz@gmail.com

    Click image for larger version. 

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    i have the excell file of the above if anyone wants it?
    Quote Originally Posted by Katman View Post
    I reminder distinctly .




    Kinky is using a feather. Perverted is using the whole chicken

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