Spark Plug for 1997 KTM 50 SXR Pro JR & More - DENSO 3073

$5.99

Vehicles this part fits

    Part number: 3073
    UPC: 042511030732
    Condition: New
    Weight: 0.10 LBS
    Item Package Quantity: 1
    $5.99
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    DENSO Auto Parts Spark Plug P/N:3073
    DENSO Auto Parts Spark Plug P/N:3073
    $5.99
    $5.99

    DENSO Auto Parts 3073 spark plug for the 1997 KTM 50 SXR Pro JR and other vehicles ignites the air-fuel mixture in the cylinder. Its U-Groove design is intended to support engine efficiency, and the spark plug is OE-grade.

    • Patented U-Groove ground electrode tip for a larger flame front and improved ignitability
    • Copper core center electrode for thermal conductivity
    • Nickel ground electrode core and nickel center electrode tip
    • Pre-gap size of 0.7 mm

    Quick facts

    • Part: DENSO Auto Parts 3073 spark plug
    • Fits: the 1997 KTM 50 SXR Pro JR and other vehicles
    • Condition: New

    Hard starting, a rough idle or a misfire can mean the spark plugs are worn. These signs alone do not prove the spark plug is the problem, since an air leak or a fuel delivery fault can also produce them.

    Fits

    The 3073 is a direct-fit replacement for the 1997 KTM 50 SXR Pro SR, the 1981-1982 Yamaha LB50 and a wide range of other vehicles and equipment; quantity depends on the engine, and the 1997 KTM 50 SXR Pro JR takes one. If your own model is not named here, look it up in the "Vehicles it fits" section.

    Specifications

    Fit and size

    • Thread diameter: 14.0 mm
    • Reach: 12.7 mm
    • Hex size: 20.6 mm
    • Seat type: Flat
    • Manufacturer heat range: 20
    • Pre-gap size: 0.7 mm
    • Quantity per application: varies by engine

    Build and materials

    • Ground electrode tip design: U-Groove
    • Ground electrode core material: Nickel
    • Center electrode core material: Copper
    • Center electrode tip material: Nickel
    • Condition: New
    • Country of origin: China

    Product information is for general reference and may contain errors. See our Disclaimer.

    This part cross-references / interchanges with the following part numbers:

    W20FS-U

    Frequently Asked Questions

    Will the DENSO Auto Parts 3073 fit the 1981-1982 Yamaha LB50?

    Yes. The DENSO Auto Parts 3073 is listed for the 1981-1982 Yamaha LB50. If your model is not named here, look it up in the "Vehicles it fits" section on this page.

    What does the U-Groove do on this DENSO Auto Parts spark plug?

    The patented U-Groove on the ground electrode allows a larger flame front and improved ignitability. It is intended to support engine efficiency.

    What are the thread size and reach of the DENSO 3073 spark plug?

    The DENSO Auto Parts 3073 has a 14.0 mm thread diameter, a 12.7 mm reach, a flat seat and a 20.6 mm hex.

    What are the electrodes on this spark plug made of?

    The center electrode has a copper core with a nickel tip, and the ground electrode has a nickel core.

    Does this spark plug come pre-gapped?

    Yes. This spark plug has a pre-gap size of 0.7 mm.

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