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Electrics for your motorcycle

Electrics for Top motorbike brands
  • High quality Electrics for HONDA MOTORCYCLES
  • High quality Electrics for TRIUMPH MOTORCYCLES
  • High quality Electrics for BMW MOTORCYCLES
  • High quality Electrics for INDIAN MOTORCYCLES
  • High quality Electrics for NORTON MOTORCYCLES
  • High quality Electrics for YAMAHA MOTORCYCLES
  • SUZUKI MOTORCYCLES
  • CCM MOTORCYCLES
  • HUNTER MOTORCYCLES
  • KAWASAKI MOTORCYCLES
  • ZERO MOTORCYCLES
  • VICTORY MOTORCYCLES
  • KTM MOTORCYCLES
  • HUSQVARNA MOTORCYCLE
  • MASH MOTORCYCLES
  • DUCATI MOTORCYCLES
  • JAWA MOTORCYCLES
  • SWM MOTORCYCLES
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Motorcycle electrical system is a set of devices that either produce electricity or are powered by it. Additional components are also required to ensure flawless operation of the equipment and electrical power transmission: wires, buttons, relays and others.

Main motorcycle electrical system components.

  • Starter. It makes the crankshaft rotate to start the engine. It is an electric motor that operates by transmitting power to the rotor windings.
  • Battery. Most bikes are equipped with starter batteries. They differ in capacity, voltage and size. The most common are lead-acid and gel products.
  • Alternator. When the engine is running, it powers all the devices and charges the battery.
  • Lighting. It includes such motorcycle electrical system components:
    • Headlamp. It is used to light the roads at night-time.
    • Direction indicators. With them, you can inform other road users about your intention to perform a manoeuvre.
    • Marker and parking lights. They make the vehicle more conspicuous on the road.
    • Brake lights. They warn the road users behind the bike that it is going to stop.
    • Fog lamp. A fog lamp is used in poor visibility conditions.
    • Registration plate lamp. Allows seeing the registration plate of a motorcycle even if it is dark.
  • Horn. It allows to attract attention to the vehicle and prevent an accident.
  • Sensors. They measure various bike parameters and transmit the readings to the engine control unit. It uses the information to control the function of the main units. Besides, the readings from some sensors are displayed on the instrument panel to inform the rider about possible malfunctions or that the motorcycle requires servicing.

Malfunctions: their causes and symptoms

  • Thermal damage to the motorcycle electrical system components. It is a result of a short circuit in the network. Due to it, all devices or some of them fail. For example, lamps won’t switch on.
  • Mechanical damage to contacts. Most often, this happens when the bike falls. The electrical equipment powered by the damaged wires doesn’t work. If battery terminals are deteriorated, sparks might appear.
  • Contact oxidation. As a result, electrical devices fail to switch on or to operate properly. Oxidation is caused by moisture from the road getting inside the assembly.

Tips on how to maintain and replace motorcycle electrical system components

  • Most electrical components do not have a defined service life and they have to be replaced when they fail.
  • If a bike hasn’t been used for a long time, it is necessary to measure its battery voltage and to charge it if needed. If the voltage is lower than the amount specified by the motorcycle manufacturer, the battery has to be replaced.
  • It is recommended to occasionally make sure that the battery terminals are secured and tighten them if necessary.
  • Special chemicals should be used to clean the contacts. All actions should comply with the instructions of the manufacturer of the motorcycle.
  • If a starter or alternator stops working, don’t replace it at once. Sometimes the malfunction can be fixed with a repair kit. The set for a starter can include carbon brushes and brackets for them, a shaft sleeve, commutator bearing, armature, starter solenoid. It is also possible to replace such parts of an alternator as a regulator, fan, rectifier, brushes, bearings, rotor, terminals, mounts.

AUTODOC: only high-quality motorcycle parts

Would you like to buy motorcycle electrical system components and receive your products in a short time? Place an order at AUTODOC. All purchases from our online shop are delivered as quickly as possible.

Best-selling motocycle spare parts and consumables

We recommend our bestsellers in the category of Electrics. The following motorcycle replacement parts were most frequently ordered by our customers.
  • OSRAM 66140 Bulb, spotlight 35W, D1S (gas discharge tube), 85V Bulb, spotlight 66140 at a discount — buy now!
    OSRAM Bulb, spotlight Article number: 66140 Use number: D1S
    Product info:
    • Bulb Type: D1S (gas discharge tube)
    • Rated Power [W]: 35
    • Voltage [V]: 85
    • Socket Type: PK32d-2
    • Product line: XENARC ORIGINAL
    • Item number66140
    • Our price44,28 £
    • Condition  New
    More
    2 years warranty
    Price £ 59,04

    Sale

    £ 44,28

    Act now and save 25%!
    Save £ 14,76
    incl. 20% VAT, Delivery

    In stock

  • OSRAM 66140XNB Bulb, spotlight 35W, D1S (gas discharge tube), 85V Bulb, spotlight 66140XNB at a discount — buy now!
    OSRAM Bulb, spotlight Article number: 66140XNB Use number: D1S
    Product info:
    • Bulb Type: D1S (gas discharge tube)
    • Rated Power [W]: 35
    • Voltage [V]: 85
    • Socket Type: PK32d-2
    • Product line: XENARC NIGHT BREAKER UNLIMITED
    • Item number66140XNB
    • Our price110,65 £
    • Condition  New
    More
    2 years warranty
    Price £ 147,53

    £ 110,65

    Act now and save 25%!
    incl. 20% VAT, Delivery

    Сurrently out of stock

  • OSRAM 64136 Bulb, indicator H21W, BAY9s, 12V, 21W Bulb, indicator 64136 at a discount — buy now!
    OSRAM Bulb, indicator Article number: 64136 Use number: H21W
    Product info:
    • Bulb Type: H21W
    • Voltage [V]: 12
    • Rated Power [W]: 21
    • Socket Type: BAY9s
    • Product line: ORIGINAL
    • Item number64136
    • Our price4,16 £
    • Condition  New
    More
    2 years warranty
    Price £ 5,55

    Sale

    £ 4,16

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    Save £ 1,39
    incl. 20% VAT, Delivery

    In stock

  • OSRAM 64151 Bulb, spotlight 55W, H3, 12V Bulb, spotlight 64151 at a discount — buy now!
    OSRAM Bulb, spotlight Article number: 64151 Use number: H3
    Product info:
    • Bulb Type: H3
    • Rated Power [W]: 55
    • Voltage [V]: 12
    • Socket Type: PK22s
    • Product line: ORIGINAL
    • Item number64151
    • Our price1,85 £
    • Condition  New
    More
    2 years warranty
    Price £ 2,46

    Sale

    £ 1,85

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    Save £ 0,61
    incl. 20% VAT, Delivery

    In stock

  • PHILIPS 85415WHV2C1 Bulb, spotlight 35W, D1S (gas discharge tube), 85V Bulb, spotlight 85415WHV2C1 at a discount — buy now!
    PHILIPS Bulb, spotlight Article number: 85415WHV2C1 Use number: 37725533
    Product info:
    • Bulb Type: D1S (gas discharge tube)
    • Rated Power [W]: 35
    • Voltage [V]: 85
    • Socket Type: Pk32d-2
    • Product line: Xenon WhiteVision gen2
    • Item number85415WHV2C1
    • Our price63,72 £
    • Condition  New
    More
    2 years warranty
    Price £ 84,96

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    £ 63,72

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    incl. 20% VAT, Delivery

    In stock

  • OSRAM 921 Bulb, indicator W16W, W2,1x9,5d, 12V, 16W Bulb, indicator 921 at a discount — buy now!
    OSRAM Bulb, indicator Article number: 921 Use number: W16W
    Product info:
    • Bulb Type: W16W
    • Voltage [V]: 12
    • Rated Power [W]: 16
    • Socket Type: W2,1x9,5d
    • Product line: ORIGINAL
    • Item number921
    • Our price1,19 £
    • Condition  New
    More
    2 years warranty
    Price £ 1,58

    Sale

    £ 1,19

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    Save £ 0,39
    incl. 20% VAT, Delivery

    In stock

  • OSRAM 3157 Bulb, indicator P27/7W, W2,5x16q, 12V, 27/7W Bulb, indicator 3157 at a discount — buy now!
    OSRAM Bulb, indicator Article number: 3157 Use number: P277W
    Product info:
    • Bulb Type: P27/7W
    • Voltage [V]: 12
    • Rated Power [W]: 27/7
    • Socket Type: W2,5x16q
    • Product line: ORIGINAL
    • Item number3157
    • Our price1,77 £
    • Condition  New
    More
    2 years warranty
    Price £ 2,36

    Sale

    £ 1,77

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    incl. 20% VAT, Delivery

    In stock

  • PHILIPS 12258XV+S2 Bulb, spotlight 55W, H1, 12V Bulb, spotlight 12258XV+S2 at a discount — buy now!
    PHILIPS Bulb, spotlight Article number: 12258XV+S2 Use number: 36064628
    Product info:
    • Bulb Type: H1
    • Rated Power [W]: 55
    • Voltage [V]: 12
    • Socket Type: P14,5s
    • Quantity: 2
    • Product line: X-tremeVision
    • Item number12258XV+S2
    • Our price14,93 £
    • Condition  New
    More
    2 years warranty
    Price £ 19,90

    Sale

    £ 14,93

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    Save £ 4,97
    incl. 20% VAT, Delivery

    In stock

  • OSRAM 64150 Bulb, spotlight 55W, H1, 12V Bulb, spotlight 64150 at a discount — buy now!
    OSRAM Bulb, spotlight Article number: 64150 Use number: H1
    Product info:
    • Bulb Type: H1
    • Rated Power [W]: 55
    • Voltage [V]: 12
    • Socket Type: P14,5s
    • Product line: ORIGINAL
    • Item number64150
    • Our price2,03 £
    • Condition  New
    More
    2 years warranty
    Price £ 2,70

    Sale

    £ 2,03

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    Save £ 0,67
    incl. 20% VAT, Delivery

    In stock

  • OSRAM 7507 Bulb, indicator PY21W, BAU15s, 12V, 21W Bulb, indicator 7507 at a discount — buy now!
    OSRAM Bulb, indicator Article number: 7507 Use number: PY21W
    Product info:
    • Bulb Type: PY21W
    • Voltage [V]: 12
    • Rated Power [W]: 21
    • Socket Type: BAU15s
    • Product line: ORIGINAL
    • Item number7507
    • Our price1,76 £
    • Condition  New
    More
    2 years warranty
    Price £ 2,34

    Sale

    £ 1,76

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    incl. 20% VAT, Delivery

    In stock

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