DT125X Servo doesnt move
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By the sounds of things the CDI could be the fault. On the later dtx models the YPVS is run off the cdi. Before ruling that out though I would just put 12V's across the unit just to make sure it definitely works. I would also test continuity through the cables that go from the cdi to the servo.
If the powervalve gets clogged up with dirty smoker juices, it can stop the YPVS from.rotating. Examine the condition of the powervalve and clean where necessary.
I'll come.back with some.more ideas when I think of them.
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Do you know which colour wires are the positive and negative on the servo so that i can test it off of the battery? I Used a multi meter on each pin from the CDI that goes to the servo and there's only one that gets any voltage at all and its only about 3 volts for less than a second. So i think it is The CDI that is faulty.
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i just tested both my servos off the battery and both of them spin, Which means i bought a servo i didnt need ahah
Thanks for the help by the way
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Any updates?
Get your hands on another cdi and see if that's the issue. If you've tested all the wiring I can't think what else might cause it. I would have thought if it were the cdi then some othee things might not run.
Maybe there is a relay somewhere but I'm not convinced
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I haven't made any more progress yet but it seems the only way im going to get any closer to solving it will be to get another CDI, i did find a listing of someone selling a CDI With a fault of the YPVS not working but the bike still running, so it seems that they can go wrong on just servo controller.
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Okay, I can finally say that the problem is solved!!! Bought a CDI off eBay for £30 recieved it today, fitted it and now the servo turns as its supposed to when the ignition is turned. It will be good to finally have some low down power.
Now to move on tuning it for the New exhaust.
