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Spark Ignition for your motorcycle

Spark Ignition for Top motorbike brands
  • High quality Spark Ignition for HONDA MOTORCYCLES
  • High quality Spark Ignition for TRIUMPH MOTORCYCLES
  • High quality Spark Ignition for BMW MOTORCYCLES
  • High quality Spark Ignition for INDIAN MOTORCYCLES
  • High quality Spark Ignition for NORTON MOTORCYCLES
  • High quality Spark Ignition 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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The motorcycle ignition system is intended to ignite an air-fuel mixture. It enables the engine to run steady.

Main components of a motorcycle ignition system

  • Spark plug. Its electrodes produce a spark which is necessary for ignition. Its service life depends on the materials it is made from. For example, nickel models might last from 15,000 to 30,000 km, copper ones — from 20,000 to 30,000 km, iridium and platinum — from 60,000 to 70,000 km. Components containing gold can function properly for 80,000 – 100,000 km.
  • Ignition coil. It converts a low voltage into a high voltage. Ignition is impossible without a sufficiently high voltage.
  • Distributor. It is used to supply high voltage to spark plugs.
  • Ballast resistor. Eliminates excessive current strength.
  • CDI module. It accumulates voltage supplied by an alternator. Then, it is supplied to the ignition coil.
  • Spark plug wires. They ensure stable power supply to the spark plugs. The wires are connected to the plugs with special caps.
  • Control unit. It uses data from various sensors to correct the operation of the system. In particular, the information about the revolutions of the crankshaft enables the control unit to calculate the appropriate ignition timing.
  • Pulse generator. It is used in an electronic ignition system to produce pulses to be transmitted to the CDI module to create voltage.

Malfunctions: their causes and symptoms

  • Worn out spark plugs. Difficulties with starting the engine, especially, at low ambient temperatures and high humidity, can indicate this problem. Besides, this malfunction often causes increased fuel consumption. It is a natural result of using the plugs beyond the recommended service life.
  • Damaged coil winding. It leads to unstable operation of the engine. The breakdown might be caused by exposure to high temperatures because the component is located nearby the hot motorcycle engine. Besides, malfunctions of this part might result from a faulty high-voltage cable.
  • Contact oxidation. In that case, it is hard to start the engine, fuel consumption increases. The reason is moisture from the road getting inside because of improperly installed parts.

Tips on how to maintain and replace motorcycle ignition system components

  • Many system components do not have a defined service life: they have to be replaced when it is needed. It is important to make sure that electrical wiring of your motorcycle is generally in good condition, and not to ignore any signs of malfunctions.
  • It is recommended to have the assembly serviced by specialists. Maintenance usually involves operations with high-voltage cables.
  • Some parts can be serviced according to the recommendations specified in the motorcycle servicing manual. For example, it is allowed to remove dirt from spark plug wells using compressed air. Do not forget to put on protective goggles before you start.

AUTODOC: only high-quality motorcycle parts

Would you like to buy motorcycle ignition system components quickly and cheaply? Place an order online at AUTODOC. Searching and selecting suitable products in our online shop will take very little time. Besides, delivery is carried out soon afterwards. If a promotion is running at the time you make your purchase, you’ll be able to save.

Best-selling motocycle spare parts and consumables

We recommend our bestsellers in the category of Spark Ignition. The following motorcycle replacement parts were most frequently ordered by our customers.
  • DENSO IK22 Spark Plug Spark Plug IK22 at a discount — buy now!
    DENSO Spark Plug Article number: IK22 Use number: 5310
    I10, 5310
    Product info:
    • Spanner Size: 16
    • Spark Plug: 1 - Earthed Electrode
    • Thread Size 1: 19
    • Product line: Iridium Power
    • Tightening Torque [Nm]: 22
    • Diameter [mm]: 14
    • Weight [g]: 43
    • Item numberIK22
    • Our price9,57 £
    • Condition  New
    More
    2 years warranty
    Price £ 12,76

    Sale

    £ 9,57

    Act now and save 25%!
    Save £ 3,19
    incl. 20% VAT, Delivery

    In stock

  • DENSO U27ESR-N Spark Plug Spark Plug U27ESR-N at a discount — buy now!
    DENSO Spark Plug Article number: U27ESR-N Use number: 4131
    4131
    Product info:
    • Spanner Size: 16
    • Spark Plug: 1 - Earthed Electrode
    • Thread Size 1: 19
    • Product line: Nickel
    • Tightening Torque [Nm]: 12
    • Diameter [mm]: 10
    • Weight [g]: 30
    • Item numberU27ESR-N
    • Our price5,10 £
    • Condition  New
    More
    2 years warranty
    Price £ 6,80

    Sale

    £ 5,10

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    Save £ 1,70
    incl. 20% VAT, Delivery

    In stock

  • DENSO IK20 Spark Plug Spark Plug IK20 at a discount — buy now!
    DENSO Spark Plug Article number: IK20 Use number: 5304
    I04, 5304
    Product info:
    • Spanner Size: 16
    • Spark Plug: 1 - Earthed Electrode
    • Thread Size 1: 19
    • Product line: Iridium Power
    • Tightening Torque [Nm]: 22
    • Diameter [mm]: 14
    • Weight [g]: 43
    • Item numberIK20
    • Our price9,24 £
    • Condition  New
    More
    2 years warranty
    Price £ 12,32

    Sale

    £ 9,24

    Act now and save 25%!
    Save £ 3,08
    incl. 20% VAT, Delivery

    In stock

  • DENSO IW31 Spark Plug Spark Plug IW31 at a discount — buy now!
    DENSO Spark Plug Article number: IW31 Use number: 5319
    5319, I19
    Product info:
    • Spanner Size: 20.6
    • Spark Plug: 1 - Earthed Electrode
    • Thread Size 1: 19
    • Product line: Iridium Power
    • Tightening Torque [Nm]: 22
    • Diameter [mm]: 14
    • Weight [g]: 56
    • Item numberIW31
    • Our price9,62 £
    • Condition  New
    More
    2 years warranty
    Price £ 12,83

    Sale

    £ 9,62

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    Save £ 3,21
    incl. 20% VAT, Delivery

    In stock

  • DENSO IW22 Spark Plug Spark Plug IW22 at a discount — buy now!
    DENSO Spark Plug Article number: IW22 Use number: 5307
    5307, I07
    Product info:
    • Spanner Size: 20.6
    • Spark Plug: 1 - Earthed Electrode
    • Thread Size 1: 19
    • Product line: Iridium Power
    • Tightening Torque [Nm]: 22
    • Diameter [mm]: 14
    • Weight [g]: 56
    • Item numberIW22
    • Our price9,60 £
    • Condition  New
    More
    2 years warranty
    Price £ 12,80

    Sale

    £ 9,60

    Act now and save 25%!
    Save £ 3,20
    incl. 20% VAT, Delivery

    In stock

  • NGK 2202 Spark Plug Spark Plug 2202 at a discount — buy now!
    NGK Spark Plug Article number: 2202 Use number: DPR8EIX9
    DPR8EIX-9
    Product info:
    • Spanner Size: 18 mm
    • Outer thread [mm]: 12,0
    • Thread Length [mm]: 19,0
    • Spark Position [mm]: 3,0
    • Spark Plug: Unscrewable SAE connector, Iridium Middle Electrode, 1 - Earthed Electrode, interference Suppression 5 kOhm, with gasket seat
    • Item number2202
    • Our price9,69 £
    • Condition  New
    More
    2 years warranty
    Price £ 12,92

    Sale

    £ 9,69

    Act now and save 25%!
    Save £ 3,23
    incl. 20% VAT, Delivery

    In stock

  • NGK 6869 Spark Plug Spark Plug 6869 at a discount — buy now!
    NGK Spark Plug Article number: 6869 Use number: MAR9AJ
    MAR9A-J
    Product info:
    • Spanner Size: 14 mm
    • Outer thread [mm]: 10,0
    • Thread Length [mm]: 19,0
    • Spark Position [mm]: 2,5
    • Spark Plug: Fixed SAE connector, Nickel Middle Electrode, 2 - Earthed Electrode, interference Suppression 5 kOhm, with gasket seat
    • Item number6869
    • Our price18,06 £
    • Condition  New
    More
    2 years warranty
    Price £ 24,08

    Sale

    £ 18,06

    Act now and save 25%!
    Save £ 6,02
    incl. 20% VAT, Delivery

    In stock

  • DENSO Spark Plug Article number: VUH27ES Use number: 5642
    5642, V42
    Product info:
    • Spanner Size: 16
    • Spark Plug: 1 - Earthed Electrode
    • Thread Size 1: 19
    • Product line: Iridium Tough
    • Tightening Torque [Nm]: 12
    • Diameter [mm]: 10
    • Weight [g]: 30
    • Item numberVUH27ES
    • Our price16,79 £
    • Condition  New
    More
    2 years warranty
    Price £ 22,38

    Sale

    £ 16,79

    Act now and save 25%!
    Save £ 5,59
    incl. 20% VAT, Delivery

    In stock

  • DENSO Spark Plug Article number: W24ES-U Use number: 4030
    4030
    Product info:
    • Spanner Size: 20.6
    • Spark Plug: 1 - Earthed Electrode
    • Thread Size 1: 19
    • Product line: Nickel
    • Tightening Torque [Nm]: 22
    • Diameter [mm]: 14
    • Weight [g]: 56
    • Item numberW24ES-U
    • Our price1,91 £
    • Condition  New
    More
    2 years warranty
    Price £ 2,54

    Sale

    £ 1,91

    Act now and save 25%!
    Save £ 0,63
    incl. 20% VAT, Delivery

    In stock

  • DENSO IUH27D Spark Plug Spark Plug IUH27D at a discount — buy now!
    DENSO Spark Plug Article number: IUH27D Use number: 5388
    I88, 5388
    Product info:
    • Spanner Size: 16
    • Spark Plug: 1 - Earthed Electrode
    • Thread Size 1: 19
    • Product line: Iridium Power
    • Tightening Torque [Nm]: 12
    • Diameter [mm]: 10
    • Weight [g]: 30
    • Item numberIUH27D
    • Our price15,05 £
    • Condition  New
    More
    2 years warranty
    Price £ 20,06

    Sale

    £ 15,05

    Act now and save 25%!
    Save £ 5,01
    incl. 20% VAT, Delivery

    In stock

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