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132 Posts
I have these replica Koso RX2n clocks on my bike. This is a generic picture, but it shows which ones I mean. For ref, my bike is a 1993 Honda CBR600F2.
I can find a lot of posts about the RX1, but it is a different gauge, so the advice given doesn't seem relevant. This one is actually called an SS182 but seems identical to the Koso RX2n.
So far I have it wired up so that it does the startup sequence and lights up. The indicator lights, headlamp main beam, neutral light, engine, battery lights etc.... all work fine (except for the fuel one which blinks on and off all the time as I don't have a fuel gauge on my bike so I just covered that one with black tape as it was a bit distracting).
My problem is the RPM which I can't get to work at all (except when the needle moves on start-up sequence). Do I attach something to the coils to get this reading? And is it the + or the - end of the coil? This is just a guess based on what I can find elsewhere about the RX1 gauges, so I may be way off. I have also heard of people wrapping wires around the HT leads, but this seems to be a less accurate way of doing it.
The other problem is the speedo - The magnets are fixed onto the front brake disc and the sensor is set up about 5mm from them. I get a reading, but it is way out and sometimes jumps from one speed to another erratically. I think this is due to the setting for the wheel size - My bike has 17" front wheels but the setting only goes from 1000-2999mm. Does anyone know what figure I should be putting in here?
If anyone has any info on these clocks or has fitted them successfully, could you please point me in the right direction. If the info I need is already out there, can you let me know where as I can't find it. Thanks
The only info I got with the clocks is posted below and not much help:

I can find a lot of posts about the RX1, but it is a different gauge, so the advice given doesn't seem relevant. This one is actually called an SS182 but seems identical to the Koso RX2n.
So far I have it wired up so that it does the startup sequence and lights up. The indicator lights, headlamp main beam, neutral light, engine, battery lights etc.... all work fine (except for the fuel one which blinks on and off all the time as I don't have a fuel gauge on my bike so I just covered that one with black tape as it was a bit distracting).
My problem is the RPM which I can't get to work at all (except when the needle moves on start-up sequence). Do I attach something to the coils to get this reading? And is it the + or the - end of the coil? This is just a guess based on what I can find elsewhere about the RX1 gauges, so I may be way off. I have also heard of people wrapping wires around the HT leads, but this seems to be a less accurate way of doing it.
The other problem is the speedo - The magnets are fixed onto the front brake disc and the sensor is set up about 5mm from them. I get a reading, but it is way out and sometimes jumps from one speed to another erratically. I think this is due to the setting for the wheel size - My bike has 17" front wheels but the setting only goes from 1000-2999mm. Does anyone know what figure I should be putting in here?
If anyone has any info on these clocks or has fitted them successfully, could you please point me in the right direction. If the info I need is already out there, can you let me know where as I can't find it. Thanks
The only info I got with the clocks is posted below and not much help:

