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TECHNICAL MOTOBRICK WRENCHING In Remembrance of Inge K. => The Motobrick Workshop => Topic started by: PiotrK100 on October 24, 2014, 12:07:35 PM
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Hi again to everyone. I'm making progres with my projekt and now I stuck on speedo issues. Decide to change for Koso (as on the picture) but there is no gear idicator, so the question is what kind of gear indicator should I use and possibly how to connect? of course that will be something mounted on handlebar or close to the speedo.Can not find any good information on the web so you guys are my last resque.
Also if someone has knowledge how to connect fuel gauge (on the speedo) that shows gas level slightly not only one or thwo red lights :nono that will be much appreciated
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http://www.motobrick.com/index.php?topic=6097.0 (http://www.motobrick.com/index.php?topic=6097.0)
About the fuel level, the sensor in our bikes functions opposite (highest ohms when empty) to whats normal
so I don't think it would function together with your speedo.
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I make the gauge board Inge referenced above. I am currently manufacturing a batch of them since I just received the boards.
There was a post to this board in the last month or so where a guy disassembled his fuel level sender and flipped the wire-wound resistor board in its mounting. This reversed the operation of the board, which made it compatible with his Japanese after-market analogue fuel gauge ... but ... it would also make it compatible with after-market Japanese instruments. If you feel brave, it may work. It depends also on being able to program the Koso instrument to understand the resistance for "full" tank and for "empty" tank.
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If you reverse the fuel sender coil, you should use the lowest step in your instrument which is 100 ohms.
Our sensors shows 110 ohms when empty.
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I can do anything with mechanic issues, dissmantle all to the smallest nuts and bolts but electric stuff is for me like magic. If there is more than 3 wires than I'm lost. Stupis question: what if I do use fuel level gauge from other motorcycle like japanese which should work with Koso?
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That solution has been proposed before but no one is yet successful (at least no one has documented they are successful). The board flip I mentioned is 98% mechanical and will be easier than finding a suitable Jap sender. Besides, there are people on this forum who understand electrics and can assist you, if you run into problems.
If you feel less than confident with electrics as you say, how do you plan to handle the mass of wiring changes you'll need to make to complete your build?
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Wellll, must "hire" some friends of mine who are more wise in that subject. But the key issue is not to involve to much people for projekt I'm going to do myself. :riding:
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Wellll, must "hire" some friends of mine who are more wise in that subject. But the key issue is not to involve to much people for projekt I'm going to do myself. :riding:
Wiring really isn't that complicated if you do it methodically. Take your time, and learn it. It makes it much easier to troubleshoot problems down the line.
I make the gauge board Inge referenced above. I am currently manufacturing a batch of them since I just received the boards.
There was a post to this board in the last month or so where a guy disassembled his fuel level sender and flipped the wire-wound resistor board in its mounting. This reversed the operation of the board, which made it compatible with his Japanese after-market analogue fuel gauge ... but ... it would also make it compatible with after-market Japanese instruments. If you feel brave, it may work. It depends also on being able to program the Koso instrument to understand the resistance for "full" tank and for "empty" tank.
Interesting idea. You could also use a microcontroller and a resistor ladder to convert it.