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DT125R FORUM

Weird electrical problem

Scheduled Pinned Locked Moved Electrics
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  • B Offline
    B Offline
    Bananper
    wrote on last edited by
    #1
    This post is deleted!
    1 Reply Last reply
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  • BluestoesonnoseB Offline
    BluestoesonnoseB Offline
    Bluestoesonnose
    wrote on last edited by
    #2

    Sounds like a regulator issue, is the one on the bike compatible with the engine?

    2002 DT125R

    B 1 Reply Last reply
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  • B Offline
    B Offline
    Bananper
    replied to Bluestoesonnose on last edited by
    #3

    @Bluestoesonnose yes, it started to do this when i installed the new engine, i doubt it is the regulator, and that i might have done something wrong.

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  • CalumC Online
    CalumC Online
    Calum
    wrote on last edited by
    #4

    I have had similar, but not identical issues, after faffing around with a rebuilt engine. Turned out the ignition switch loom had just completely corroded and was intermittent.

    Trying to resolve this problem is difficult unless you know exactly what causes it. For me, it would work sometimes, ride the bike down the road and the YPVS would fail.

    Once the bike was on, it was running, but the act of moving it unjarred a corroded cable.

    Check to you haven't tugged one of the wires.

    Always Originate, Never Pirate!

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  • F Offline
    F Offline
    finnerz89
    wrote on last edited by
    #5

    So you're saying you have no starter relay?

    Which houses the main fuse and supplies power to the rest of the bike? I reckon you need to find that and fit it

    Current bikes:
    DT125X '07
    Street Triple R '11
    Aprilia ETV1000 '02

    Previous:
    DR650RSE '96
    FJ1200 '92

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  • B Offline
    B Offline
    Bananper
    replied to finnerz89 on last edited by
    #6

    @finnerz89 i mean the thing you plug into the starter relay, i dont know what its called

    F 1 Reply Last reply
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  • F Offline
    F Offline
    finnerz89
    replied to Bananper on last edited by
    #7

    @Bananper a plug? 4 connections in it?

    Current bikes:
    DT125X '07
    Street Triple R '11
    Aprilia ETV1000 '02

    Previous:
    DR650RSE '96
    FJ1200 '92

    B 1 Reply Last reply
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  • B Offline
    B Offline
    Bananper
    replied to finnerz89 on last edited by
    #8

    @finnerz89 yup

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  • F Offline
    F Offline
    finnerz89
    wrote on last edited by
    #9

    Well it's connected to the loom so it must be there somewhere lol

    Current bikes:
    DT125X '07
    Street Triple R '11
    Aprilia ETV1000 '02

    Previous:
    DR650RSE '96
    FJ1200 '92

    B 1 Reply Last reply
    1
  • B Offline
    B Offline
    Bananper
    replied to finnerz89 on last edited by
    #10

    @finnerz89 https://mtp-racing24.com/media/image/product/16642/lg/starter-relay-solenoid-yamaha.jpg there should be something there right?

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  • F Offline
    F Offline
    finnerz89
    wrote on last edited by
    #11

    Yeah definitely should be a plug in there. 1 or 2 cables for the starter solenoid (to spin the starter) and then 1 or 2 for power to the rest of the bike

    Current bikes:
    DT125X '07
    Street Triple R '11
    Aprilia ETV1000 '02

    Previous:
    DR650RSE '96
    FJ1200 '92

    1 Reply Last reply
    1

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