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Thread: Speedfight, Trekker + Vivacity wiring info + diagrams

  1. #1
    Member duzzer's Avatar
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    Speedfight, Trekker + Vivacity wiring info + diagrams

    wiring diagrams for the speedfight, trekker, vivacity

    General information

    All models have a 12-volt electrical system charged by a three-phase alternator with a separate regulator/rectifier.
    The regulator maintains the charging system output within the specified range to prevent overcharging,
    and the rectifier converts the AC (alternating current) output of the alternator to DC (direct current) to power the lights and other components and to charge the battery.
    The alternator rotor is mounted on the righthand end of the crankshaft.
    All models are fitted with an electric starter motor.
    The starting system includes the motor, the battery, the relay and the various wires and switches.


    Specifications

    Battery
    Capacity .................................................. ......... 12 V, 4 Ah (5 Ah on MF gel batteries
    Voltage
    Fully charged @ 20C ......................................... 14.0 to 15.0 V
    Discharged @ 20"C ............................................ 10.7 V
    Recharge rate (all models) .................................. 0.5 Amps for 5 to 10 hrs

    Alternator
    Voltage output (unregulated) ................................ 18 to 22 V (AC) at 1/2 to 3/4 throttle
    Lighting coil resistance @ 20C ............................. 0.48 to 0.72 ohms
    Charging coil resistance @ 20C ........................... 0.64 to 0.96 ohms

    Regulatorlrectifier
    Regulated voltage output
    Batterycharging .................................................. 14 to 15 V (DC) at 1/2 to 3/4 throttle
    Lighting circuit .................................................. ... 12.6 to 13.6 V (AC) at 1/2 to 3/4 throttle

    Fuse
    Main .................................................. ................. 5 Amps

    Lighting resistor
    Resistance .................................................. ........ 4.7 to 7 ohms

    Fuel level sender
    Resistance with tank full ....................................... 0 to 12 ohms
    Resistance with tank empty ................................... 90 to 120 ohms

    Oil level sensor
    Resistance with tank full ....................................... Infinite resistance
    Resistance with tank empty .................................. 0.1 to 0.5 ohms

    Starter relay
    Primary resistance .............................................. 65.8 ohms
    Secondary resistance .......................................... 0.1 to 0.5 ohms

    Bulbs
    Headlight (main/dipped) ...................................... 35/35 W
    Sidelight (where fitted) ....................................... 5 W
    Taillbrake light .................................................. . 21/5 W
    Licence plate light (where fitted) .......................... 5 W
    Turn signal lights ................................................ 10 W
    Instrument and warning lights ............................. 1.2 W

    Torque settings
    Alternator stator bolts ......................................... 10 Nm
    Alternator rotor nut ............................................ 40 Nm


    Note:
    Keep in mind that electrical parts, once purchased, cannot be returned.

    To avoid unnecessary expense, make very sure the faulty component has been positively identified before buying a replacement part.

    Warning:
    To prevent the risk of short circuits, the ignition (main) switch must always be OFF and the battery negative (-ve) terminal should be disconnected before any of the scooter's other electrical components are disturbed.
    Don't forget to reconnect the tenninal securely once work is finished or if battery power is needed for circuit testing.

    Using test equipment

    The basic tools needed for electrical fault finding include a battery and bulb test circuit,
    a continuity tester,
    a test light,
    and a jumper wire.
    A multimeter capable of reading volts, ohms and amps is also very useful
    as an alternative to the above, and is necessary for performing more
    extensive tests and checks

    Voltage checks should be performed if a circuit is not functioning properly.
    Connect one lead of a test light or voltmeter to either the negative battery terminal or a known good earth.
    Connect the other lead to a connector in the circuit being tested,
    preferably nearest to the battery or fuse.

    If the bulb lights, voltage is reaching that point,
    which means the part of the circuit between that connector and the battery is problem free.
    Continue checking the remainder of the circuit in the same manner.
    When you reach a point where no voltage is present,
    the problem lies between there and the last good test point.
    Most of the time the problem is due to a loose connection.
    Keep in mind that some circuits only receive voltage when the
    ignition is ON

    what cdi do you have,,,,,,,,,


    where is your cdi

    aci 100


    aec 400


    [b]note,,, if you need a copy,,, right click,,, save pitcher/image as,,,, save,,, go to folder,,, print


    BASIC CDI,, 50 LC/AC OR 100AC,,,,,,, (NO IMMOBILIZER)


    ACI 100 CDI/IMMOBILISER (COMBINED)


    AEC 400 CDI/IMMOBILISER (SEPARATE)

  2. #2
    Administrator capri dave's Avatar
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    Re: Speedfight, Trekker + Vivacity wiring info + diagrams

    thats a very informative guide there

  3. #3
    Member Morris147's Avatar
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    So whats needed to be done to switch from an AEC400 to a basic cdi?


    I think i need to check the wiring on my speedfight as i cant remember what CDI was on it...

  4. #4
    Senior Member Mike(Walsall)'s Avatar
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    I know nowt about 'puters even less about scooters .. as an 100% amateur any advise given is based on my personal observations .. opinions .. knowledge .. Google and Haynes .. However it is advice only. You are responsible for implementing it safely .. if you are not 100% sure about anything you should consult a professional.


    Please ... Don't PM me on techie topics ... remember ... an answer via a PM helps one member.. An answer on the Forum may help many..
    .

  5. #5
    Member Morris147's Avatar
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    Thanks for the link, i just had a quick read and it seems simple enough. Just about to tear down my speedfight to see whats going on....

  6. #6
    Senior Member Mike(Walsall)'s Avatar
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    Four wire stators are quite easy to source @ around 45 and a Taiwanese CDI of eBay about a tenner
    I know nowt about 'puters even less about scooters .. as an 100% amateur any advise given is based on my personal observations .. opinions .. knowledge .. Google and Haynes .. However it is advice only. You are responsible for implementing it safely .. if you are not 100% sure about anything you should consult a professional.


    Please ... Don't PM me on techie topics ... remember ... an answer via a PM helps one member.. An answer on the Forum may help many..
    .

  7. #7
    Junior Member Magni's Avatar
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    Hey Guys

    Does anyone have eletrical drawings for a Vivacity3 50cc?

  8. #8
    Junior Member motototo's Avatar
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    thanks !!!!

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