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Digital instrument cluster GSX250f across

Discussion in 'Suzuki 250cc In-line 4's' started by JiffyJoker, May 27, 2014.

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  1. JiffyJoker

    JiffyJoker Well-Known Member

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    Hey mates,

    Long story short: I have a broken speedo on account of the internal gears of it having a flat spot from the previous owners attempt at winding the odometer back, rather than sourcing a replacement dash i thought maybe a digital one from eBay might be the go considering they are cheaper and seem to be more functional.

    http://www.ebay.com.au/itm/LCD-digi...orcycle-with-Blue-Backlight-New-/200995763658

    has anyone ever heard of this being done on an older bike such as my '93?

    20140525_165159[1].jpg
     
    JiffyJoker, May 27, 2014
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  2. kiffsta

    kiffsta Senior Member

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    You may have better luck with a Koso unit as these are fitted to CBR250RR's

    Koso GP STYLE SPEEDOMETER RX-2N (20000 RPM)

    Koso gauges are the perfect upgrade from stock or as replacement for one-off applications. The RX-2N features a digital speedometer, 0 to 20,000-rpm analog tachometer, shift light, water and oil temperature, maximum top speed and rpm data, and clock. Built from top electronic components, they are made to resist severe vibration and bad weather conditions. They come in black or white gauge faces to match your style, but if you're rocking Koso gauges then you already know what's hot.


    Features:

    * Black Face with Blue illumination
    * KM/H or MPH
    * Reads 0-223MPH (360KM/H)
    * Speeding warning with settable range of 20-110MPH (30-180KM/H)
    * Top Speed tracking up to 223MPH (360KM/H)
    * Maximum attained RPM record
    * Tachometer range of 0-20000 RPM
    * Tire circumference setting
    * Temperature gauge
    * Top Temperature record
    * Fuel Gauge (only works if your bike has a fuel meter in the tank)
    * Includes neutral light, High beam indicator, Oil warning light, Shift light, and Speed warning light
    * Universal mounting bracket included (some modification may be necessary for installation)

    http://www.biohazardcycles.com/servlet/the-3130/KOSO-GP-STYLE-SPEEDOMETER/Detail
     
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    kiffsta, May 27, 2014
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  3. JiffyJoker

    JiffyJoker Well-Known Member

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    Wow that sure is a nice speedo unit with history records and what not. But to my understanding if that works there should be others. What in particular makes this unit compatible with my bike. With this knowledge I can select from a wider range of quality and price
     
    JiffyJoker, May 27, 2014
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  4. maelstrom

    maelstrom LiteTek Staff Member Premium Member 250cc Vendor Contributing Member

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    maelstrom, May 27, 2014
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  5. JiffyJoker

    JiffyJoker Well-Known Member

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    That's a pretty damn good price!
    But what makes these compatible. I'm guessing my two stage stock fuel warning system won't be compatible with this unit off the top of my head but the tachometer should run from the stator or rectifier?
     
    JiffyJoker, May 27, 2014
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  6. kiffsta

    kiffsta Senior Member

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    I think your tacho and speedo will be okay, the fuel lights wouldnt work, but you leave them as is. There has been lots of very positve reports on the Koso units on CBR's , as for the one you posted, its cheap as chips, worth having a go.

    Cheers

    Chris
     
    kiffsta, May 27, 2014
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  7. JiffyJoker

    JiffyJoker Well-Known Member

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    I too feel pretty confident kiffsta, I'll get to ordering later this week.
    In the meantime, has anyone else tried this with much success?
     
    JiffyJoker, May 27, 2014
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  8. Phil

    Phil Senior Member Contributing Member

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    A couple of questions regarding these units. I to like these instrument cluster, however what I would like to know is if all of the programs ie. tacho, speedo, temp, fuel, gear selection would work or not??? The newer bikes are obviously wired to accommodate these instrument, what can be achieved with our older GEMS?

    Think that's what JiffyJoker and I would like to know?
     
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    Phil, May 27, 2014
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  9. JiffyJoker

    JiffyJoker Well-Known Member

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    Phil you got it
     
    JiffyJoker, May 27, 2014
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  10. maelstrom

    maelstrom LiteTek Staff Member Premium Member 250cc Vendor Contributing Member

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    Koso are Taiwanese
    http://www.koso.com.tw/products.php?id=187&lang=en

    As for the Chinese copies; it pays to shop. Look at the most expensive ones first. Contact the suppliers and ask for a copy of the fitting documents. I think they include a rotation sender that you have to fit to your back wheel so it has to be for your size. As for the tacho it will may be selectable.
    cheers
    Blair
     
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    maelstrom, May 27, 2014
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  11. JiffyJoker

    JiffyJoker Well-Known Member

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    To my understanding maelstrom, you are placing a magnet on your front disc rotor and a sensor on a bracket on your fork somewhere for the speedo
     
    JiffyJoker, May 27, 2014
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  12. maelstrom

    maelstrom LiteTek Staff Member Premium Member 250cc Vendor Contributing Member

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    That could be right. I just saw a pic somewhere.
    So long as the speedo can interpret the rotations correctly you should be able to fit it at either end. On one of the FZR forums there was a lot of work done to fit the R6 gauges to the earlier FZR models. Some owners used senders on the countershaft sprocket, some on the rear sprocket and some drilled holes in their engine cases to pick up off the gearbox.
    http://fzronline.com/wiki/doku.php?id=r6_digital_gauge_swap
    and here
    http://fzronline.com/forum/viewtopic.php?f=32&t=1159
    I prefer the GPS idea myself.
     
    maelstrom, May 27, 2014
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  13. Phil

    Phil Senior Member Contributing Member

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    Hey JiffyJoker
    Just spent several hours with my mechanic and he was able to enlighten me on the cluster scenario.
    Some of the function on offer will not be able to be utilised such as fuel gauge, gear selector and the likes.
    However, tacho, speedo, temp gauge can be used. Some cluster use a mean average for fuel tanks and will provide some data, nothing like a level in the tank. Just thought I would pass this on for your info.
     
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    Phil, May 27, 2014
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  14. risky

    risky risky

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    on the megelli,s they are optimistic on speed.
     
    risky, May 27, 2014
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  15. JiffyJoker

    JiffyJoker Well-Known Member

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    Awesome info Phil. Much appreciated. The across has a separate two stage fuel light so that will suffice.
     
    JiffyJoker, May 27, 2014
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  16. JiffyJoker

    JiffyJoker Well-Known Member

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    but the downside being? haha. :neo:
     
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    JiffyJoker, May 27, 2014
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  17. JiffyJoker

    JiffyJoker Well-Known Member

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    Hey mates, these koso tacos run at 9-16 volts. It's doesn't say what amperage.
    But will this old across generate the juice to run the blinkers high beams in neutral and still have the power to charge the battery with the new tachometer on.

    I don't want to over load the system.
     
    JiffyJoker, May 27, 2014
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  18. Phil

    Phil Senior Member Contributing Member

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    Very wise call, most of the bikes from that era do not create huge volumes of power. Would seek additional information
     
    Phil, May 27, 2014
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  19. JiffyJoker

    JiffyJoker Well-Known Member

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    Hey mates,

    I am ordering one of these koso speedos right now. I'll get premium shipping included so hopefully it wont take too long to get here. I couldn't manage to find what amp or wattage these things run at but maybe I can get some low-watt-high-output type bulbs for the headlight to compensate if I do find the speedo unit draws to much power.

    The koso speedo it is LED bulb illuminated, I cant see myself running into ANY serious power failures.
     
    JiffyJoker, May 29, 2014
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  20. andrew

    andrew Well-Known Member Premium Member Contributing Member

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    I'm very interested in seeing how this pans out. Good luck mate

    Sent from my GT-I9210T using Tapatalk
     
    andrew, May 29, 2014
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