pjb4lo
L plate rider.
Posts: 31 
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Post by pjb4lo on Jun 9, 2018 12:56:34 GMT 1
Hi all, I've got a problem with an RD400, the ignition won't turn off, both key and kill switch don't work but were working perfectly until yesterday, nothing has been touched or changed etc, any ideas? thanks.
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dbgr
Drag-strip hero
Posts: 204
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Post by dbgr on Jun 9, 2018 13:14:55 GMT 1
hi, contacts in bottom of ignition switch on the round plastic disc where the cables connect to corroded, dirty, might just need a clean if youre lucky
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Post by reedpete on Jun 9, 2018 22:11:41 GMT 1
You mean you can’t switch off/stop the engine with either kill switch or key?
I’m guessing it’s an E or F with cdi?
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pjb4lo
L plate rider.
Posts: 31
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Post by pjb4lo on Jun 10, 2018 20:36:28 GMT 1
You mean you can’t switch off/stop the engine with either kill switch or key? I’m guessing it’s an E or F with cdi? Hi, yes neither the key nor the kill switch will turn it off, it's not an E or F it's a points model. |
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pjb4lo
L plate rider.
Posts: 31
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Post by pjb4lo on Jun 11, 2018 10:17:37 GMT 1
This get's worse, now you can attach either HT lead and the individual cylinder will run fine, but attach both and it revs very high and won't turn off. Not something I've come across before.
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Post by reedpete on Jun 12, 2018 19:44:53 GMT 1
for Points to make sparks 12v is switched onto the coils via key and kill switch.
ultimately it results in 12v at the coil, then down to each set of points via orange and grey wires respectively.
for the bike to run you must be getting power on the coils from somewhere else, probably a loom fault as first guess.
sort that first then see what about the other situation.
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