Iridium plug SIMR8A9 91064

  • Product number: SIMR8A9
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    Applicable Models

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    HONDA
    Rebel300 CB300R CB250F 14- MC43 14.7- [displacement]250 [number of units required]1 DN-01 08- RC55 [Engine displacement]700 [Required units]2 REBEL250 17-21 MC49 17.4- [displacement]250 [number of units required]1
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    Product Detail

    Specification

    [Stock number] 91064
    [NGK part number] SIMR8A9
    [Size] Mounting screw diameter: Φ10.0mm / mounting screw length: 19.0mm /hexagonal opposite side distance: Hex 16.0mm
    [Type] IP biprecious metal type (long life plug)
    [Terminal] T: screw type
    [Heat Value] 8
    [Compatibility Information] HONDA Stock Part Number Compatibility: 31916-MEH-003

    Description

    Stable ignition performance and combustion efficiency at a reasonable price.It brings out the true performance of the engine.

    [Features]
    1. Improved acceleration
    You can feel the difference between this plug and the standard plug by its quick response to the accelerator pedal opening.
    Changing to Iridium plugs will improve acceleration.

    2. Engine power pup
    Iridium plugs increase engine performance.
    You can enjoy a comfortable ride with a strong power on the uphill.

    3. Improved ignitability and startability
    Iridium plugs have ultra-fine electrodes that ignite quickly and improve the starting performance of the engine.
    The idling is stable because of less spark variation.

    4. Increased fuel efficiency
    Iridium plugs have excellent ignitability, so they burn gasoline efficiently.
    This plug is both economical and environmentally friendly.

    As a premium plug for stock engines, an ultra-fine iridium alloy has been adopted for the central electrode to achieve superior ignitability and greatly improved response.
    The electrode is thin and sparks fly easily, so the energy is large and the ignitability is improved.
    It maximizes the performance of the engine.
    In addition, the thermo edge at the tip of the insulator burns off the attached carbon (burnt debris), prevents the ignition performance of the plug from deteriorating, and maintains high performance.


    [About the shape of the plug terminal]
    ●Select a terminal shape that matches the engine and plug cord installation side.
    There are three types of plug terminals: integrated type, separate type, screw type, and punch-and-caulk type.
    Mainly, "integral type" and "punch caulking type" are used for four-wheeled vehicles and "screw type" for two-wheeled vehicles, and "separate type" is available for plugs used for both four-wheeled and two-wheeled vehicles.
    In addition, the terminal part of the "separate type" can be removed, but the terminal part of the "integrated type" and "punch-and-caulk type" cannot be removed.
    If you try to remove it forcibly, the terminal part may be broken.
    In case of using the "separate type" as the "screw type", remove the terminal nut.
    When using the product with the terminal nut attached, make sure that it is not loose, and if it is loose, tighten it lightly with pliers or the like.

    [Features of NGK plugs]
    ■This is a super "wide-range" plug
    The central electrode has a "copper-cored" structure with copper encapsulated close to the tip to allow a large amount of heat to escape quickly.
    The result is an ultra "wide range" plug that is resistant to burning and smoldering.
    Comparing the thermal characteristics of copper-cored and copper-coreless plugs, the copper-cored plug has superior thermal characteristics and stain resistance and a wider thermal range.

    ■New ceramics high alumina porcelain is used for the insulator
    ・Excellent insulation at high temperatures and reliable sparking.
    ・Excellent heat conductivity and prevents seizure.
    ・High thermal shock resistance (rapid heating and cooling) and excellent mechanical strength.

    ■Structure is strong and airtight
    The insulator and main metal fittings are joined by a special powder, making them airtight and structurally strong.
    The electrodes are made of a special nickel alloy and are highly durable.

    ■Corrugations (folds) in the insulation ensure insulation and prevent flashover
    During park, a high voltage is constantly applied between the terminal and the main fittings.
    High voltages try to leak along the surface of the insulator and flashover is more likely to occur if the required voltage between the spark gaps is high.
    In order to prevent flashover, insulator corrugations (folds) are provided to increase the insulator surface distance between the terminal and the main fittings to ensure insulation and prevent flashover.

    What is a flashover.
    It is to spark between the terminal and the main fittings as shown in the image.

    Note


    NGK標準プラグ 即納可能リスト
    NGK標準プラグ イリジウムプラグ レーシングプラグ
    Webike has all NGK plugs in stock! .
    *May be temporarily out of stock due to manufacturer shortages.
    * The image is only for reference. The image shown may differ from the actual product.

    Caution

    *Even if you purchase in units of 10 pieces (1 box), it will not be delivered in 1 box.
    *Effectiveness may vary depending on the vehicle.
    *Terminals, tightening angle, etc. may differ depending on the model.Please refer to the pictures for detailed fit and installation instructions.
    *Be sure to stop the engine and allow the engine to cool down before checking or replacing.It may cause fire or electric shock.
    *Please be careful when installing spark plugs.In particular, excessive or insufficient tightening torque may cause defects in the spark plugs and the engine.
    *The tightening rotation angle is indicated on the back of the spark plug packaging box.First, please check the packaging box.(Some packing boxes do not indicate the tightening rotation angle.)
    *If lubricants such as grease or anti-seizing agents are used on the threads, there is a risk of over-tightening even if the recommended tightening torque is applied.Do not use lubricants or anti-seizing agents.When tightening a plug that has been pre-lubricated with a lubricant or anti-seize agent, or when the manufacturer instructs you to apply such agent, tighten the plug in accordance with the manufacturer's instructions, such as the manual.If there are no specific instructions from the manufacturer regarding tightening, or if you wish to apply lubricant or anti-seizing agent at your own discretion, please tighten at the angles shown in the image "Table 2 Tightening rotation angles".
    *Use a tap that is specially designed for the plug.(There are standards such as M14S.)
    *When using a tap, cutting chips are produced.If it gets inside the engine, it may cause malfunction, so please consult a specialist.
    *There may be changes in product specifications due to the manufacturer's reasons.

    Applicable Models

    HONDA
    Rebel300 CB300R CB250F 14- MC43 14.7- [displacement]250 [number of units required]1 DN-01 08- RC55 [Engine displacement]700 [Required units]2 REBEL250 17-21 MC49 17.4- [displacement]250 [number of units required]1
    Show more

    Review

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    (5 Reviews)

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