Electrics

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  Yamaha TZR 125 4FL with DT200R Engine - How to Solve the electric problems
  • Sven Hackbarth  

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  @Calum when I had a DTR years ago with pinned ypvs it had a higher top speed when I lowered the gearing as the motor was actually able to pull better via a ratio that in theory would have given a lower maximum
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  Electrical connectors
  • matthewmcm2002  

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  If there the right amount of correct coloured wires, then I’d just pop them out of the block and plug the loose wires in. I’m guessing that Yamaha uses the same internal mini spade connectors? It’s really easy to do once you get the knack. Just press to the side with a precision screwdriver. Practice on an old one... I wish I could post pics from my phone ️
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  93 4BL, powervalve servo cycling but not closing at low rpm
  • HOTSHOT III  

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  Oh yeah! Could it be needing a decoke? PV sticking in the bushes maybe?...
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  LED Indicators
  • SimonR22  

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  You would need to remove the indicators and remove any signs of a switch. I used to take mine to scooter red on arle lane. But I don't know if he's still there. So you can take it to AGM on Bouncers Lane. Just tell them before hand that it has no indicators nor switch beforehand.
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  Anyone got a loom for an 88 3bn?
  • SpookDog  

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  This topic is deleted!
  • Sven Hackbarth  

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  Anyone know what year this cdi is-colour wires
  • declan  

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  @Nottsbiker yeah that pictures crap I’ll try get one ASAP thanks
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  Ignition Issue (possibly CDI wiring)
  • jamesdowning  

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  @markus-w thanks mate, i'll certainly give that a try! Cheers.
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  HELP I HAVE A SPARK WHEN IGNITION IS OFF BUT NOT WHEN ON
  • ward4014  

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  Hi there did you find out the problem as from what you are saying I have the same problem also my loom is brand new out of packet so it’s definitely not the loom as my problem is the same as yours I’m putting it down to stator???
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  HELP 4dl/3MB-oo wiring
  dt125 cdi cdi. power. dt ignition tzr • • simork6  

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  @simork6 damn I was looking into the ktm exhaust want to post some pics to make the swap easier I know yours isn’t in a dt frame but still may help me
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  DT125R stator on DT125RE
  • Bananper  

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  @Bananper I would know i'm afraid. The TZR Belgarda uses a 3MB Engine. I can't remember if I used the coils from that engine on my loom. I would have thought so. But I don't know about the 2RK models. The Belgarda engines should be somewhat scarce.
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  2003 dt125r electric start issue
  • Tomzoom2020  

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  Make sure the starter motor is fastened appropriately to the engine. Make sure the starter bendix has not come away from its housing. Ensure the teeth on the flywheel are secured. 2003 DTR's did not have starter motors. It was on the final revisions of the DTRE's that had the starter motors. So it sounds like you've had an engine/loom swap at some point?
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  Stators keep dying on my dt
  • Bananper  

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  I don't think so, stators are self regulating. I don't know the internal workings of one. But an alternator uses battery power to generate power. But the DT uses a generator, so no battery power is needed. So for example, if a high load is demanded on an alternator, it could wear it out, but I don't think that's true for a generator. I don't know....
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  no spark problem dt125re
  • Bananper  

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  @Bananper also i changed the regulator aswell
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  Dtr help
  dtr help • • gardiner yamaha  

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  @Calum ok mate will definitely have a good look all round connection does make sense to be fair thanks mate
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  Speedometer
  • jonne123  

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  @jonne123 you can reset the trip counter by inserting a close fitting screwdriver (something tapered would wedge in nicely) into the hole left by the snapped off reset knob and turning anti-clockwise. Then providing this works ok for you I would suggest finding a small round headed screw that fits snugly into it and glue it into place.
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  Power valve/CDI/Servo issue
  • CalDT125  

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  This issue I found to be a break in the wire that you ground from the cdi when derestricting the bike. went completely back to normal once I reterminated the connection. sorry for the late update on this, better late than never though haha could help someone in the future with a similar issue
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  lights wont work
  • jonne123  

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  Okay when i connect the rear light connector the lights dimm. I measured the light connector detached. Should every of 3 prongs show connected measuring with electric meter?
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  Slow ypvs
  • jonne123  

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  Ensure the powervalve can spin freely inside the exhaust port. Dirty, gummed up valves will cause the powervalve to operate abnormally.
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  Brown wire near headlight
  • dan28  

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  Single brown wire is front indicator.