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Post by benhonda on Jan 20, 2019 23:29:29 GMT -5
I got a used/abused RX8. There is too much wrong with it to make it road legal again. But it runs/drives and has rear brakes. So I am going to make it into a stripped mini-bike. I've done this before with a 4 stroke 50cc but there are parts on this bike that I can't ID and need to in order to remove all the un-needed wiring.
Mainly, where is the CDI box, and what is the large box on the side...as well as the weird round partly read thing.
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Post by 190mech on Jan 21, 2019 0:46:09 GMT -5
 Follow the wires coming from the engine,should lead to the CDI box,,your second pic could be it...Some RX8's had 90cc cases,easy to convert with a crank and cylinder kit...
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Post by benhonda on Jan 21, 2019 1:19:27 GMT -5
 Follow the wires coming from the engine,should lead to the CDI box,,your second pic could be it.That is what I suspected was the CDI box, though the wires from the engine go into the wire harness and nothing directly to that box. Any idea what the larger box on the opposite side (first pic) is? Or the round red thing next to it? I don't want to hack stuff out and then find out the bike won't run anymore...lol |
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Post by gsx600racer on Jan 21, 2019 3:25:58 GMT -5
Alarm/(maybe Remote start too) box CDI Flasher Relay Speaker/Siren for alarm |
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Post by ryan_ott on Jan 21, 2019 6:14:35 GMT -5
I’d remove the alarm as they have been known to draw down the battery. Good scoot I’ve had a few of them.
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Post by oldgeek on Jan 21, 2019 7:13:46 GMT -5
If you just unplug the alarm box, the key will no longer disable the scoot from starting. That may not be a problem considering what you are doing. If you need the key to work, you can make a jumper that plugs in where the alarm box plugged in. You can cut the plug from the alarm box, and use it to make the jumper. I can't remember which two wires need to be jumped together ATM.
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Post by ryan_ott on Jan 21, 2019 8:27:54 GMT -5
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Post by benhonda on Jan 21, 2019 15:15:22 GMT -5
If you just unplug the alarm box, the key will no longer disable the scoot from starting. That may not be a problem considering what you are doing. If you need the key to work, you can make a jumper that plugs in where the alarm box plugged in. You can cut the plug from the alarm box, and use it to make the jumper. I can't remember which two wires need to be jumped together ATM. interesting...i will have to look at the wiring there more closely as the key swtich was completely removed yet I didn't see any jumper wires at the plug and thus was wondering why the bike can start/run. Usually with the key switch gone you have to jump the wires at the plug. So much re-wiring was done to this bike by the previous owner...not all of it good. But I won't be having any lights, signals, or even a battery/electric start. Just need wiring to run the bike and a kill switch. thanks for the input guys
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Post by ryan_ott on Jan 21, 2019 16:06:51 GMT -5
Your headlights and tail lights are powered from AC from the stater so the engine needs to be running for those to work. The brake lights, horn and turn signals are battery powered from the battery check the fuse of the battery if those are not working.
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Post by benhonda on Jan 21, 2019 16:38:05 GMT -5
anyone know the wires for the CDI box?
I have a black, black/red, black/white, blue/white and green. I figure green is a ground.
I have re-wired 4 strokes but the cdi wire colors are different.
I basically jsut have to figure out which wire goes to the coil and which goes to switch (or in my case, kill switch)
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Post by 190mech on Jan 21, 2019 17:05:42 GMT -5
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Post by ryan_ott on Jan 21, 2019 17:10:17 GMT -5
Just a note some cdi’s can be ground to run (on the kill lead) and others are open to run. So if you get no spark that may be something to look at.
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Post by benhonda on Jan 21, 2019 18:46:51 GMT -5
awesome, thanks for the link in forum to the wire diagrams...that is just what i needed. I tried google search for 50cc 2 stroke wiring but all I got were results for 4 stroke stuff. I got rid of everything except the rectifier (not positive from the diagram if it is needed for the auto choke) and the kill switch. Next is the time consuming process of removing all the frame tabs/mounts that are not needed, modding the handle bars, building a seat, mounting a headlight and finding a motorcycle style gas tank that is cheap. here is a 125cc 4 stroke i did last summer. the motorized bike tank was too small, but otherwise I was happy with the look and it was a blast to ride  |
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Post by oldgeek on Jan 21, 2019 19:11:32 GMT -5
awesome, thanks for the link in forum to the wire diagrams...that is just what i needed. I tried google search for 50cc 2 stroke wiring but all I got were results for 4 stroke stuff. I got rid of everything except the rectifier (not positive from the diagram if it is needed for the auto choke) and the kill switch. Next is the time consuming process of removing all the frame tabs/mounts that are not needed, modding the handle bars, building a seat, mounting a headlight and finding a motorcycle style gas tank that is cheap. here is a 125cc 4 stroke i did last summer. the motorized bike tank was too small, but otherwise I was happy with the look and it was a blast to ride Looks good! I am a fan of naked style scoots, except legal so you can ride them on the street. Would be fun to have one completely stripped for offroad, if I had a place to ride it. |
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Post by monsterunderyourbed on Dec 4, 2023 23:40:33 GMT -5
That fork rake is something. That engine would have made a sweet sleeper scoot streetfighter build to show everyone dynamite comes in small packages...
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