Spark Plug for 2002-2009 Honda VFR800 Interceptor & More - NGK 6544

$18.99

Vehicles this part fits

    Part number: 6544
    UPC: 087295165447
    Condition: New
    Weight: 0.07 LBS
    Item Package Quantity: 1
    $18.99
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    NGK NGK Laser Iridium Spark Plug P/N:6544
    NGK NGK Laser Iridium Spark Plug P/N:6544
    $18.99
    $18.99

    NGK 6544 spark plug for the 2002-2009 Honda VFR800 Interceptor 782cc and other vehicles ignites the air-fuel charge in the cylinder. Among NGK spark plugs, this Laser Iridium plug has a fine wire iridium alloy center electrode.

    • NGK Laser Iridium line with a fine wire iridium alloy center electrode
    • Iridium center electrode has six times the density of platinum and a very high melting point
    • Platinum tip on the ground electrode for ignitability and service life
    • Solid copper core of 98% pure copper for heat dissipation and conductivity
    • Trivalent metal plating resists corrosion and seizing, for easier installation and removal

    Quick facts

    • Part: NGK 6544 spark plug
    • Fits: 2002-2009 Honda VFR800 Interceptor 782cc and other vehicles
    • Condition: New

    Hard starting, a misfire or a rough idle can mean a plug has worn out. Before you replace this plug, rule out the ignition coil, the plug wire and the fuel supply as the cause of those signs. The quantity depends on the application: the 2002-2009 Honda VFR800 Interceptor 782cc takes one plug and the 2008-2009 Honda Aquatrax F-15X takes four. This listing is one plug.

    Fits

    The motorcycles and watercraft this plug fits include the 2002-2009 Honda VFR800 Interceptor 782cc, the 2002-2009 Honda VFR800A Interceptor ABS 782cc and the 2008-2009 Honda Aquatrax F-15X. If your machine is not named here, look it up in the "Vehicles it fits" section.

    Specifications

    Fit and size

    • Heat range: 9
    • Thread size: M10 - 1.0
    • Thread reach: 0.750 in (19.0 mm)
    • Hex size: 5/8 in (16 mm)
    • Gap: .036 in (0.9 mm)
    • NGK part number: IMR9D-9H
    • Quantity per application: varies by application

    Build and materials

    • Center electrode: fine wire iridium alloy
    • Ground electrode: platinum tip
    • Core: solid copper, 98% pure
    • Insulator: high grade pure alumina ceramic
    • Plating: trivalent metal
    • Condition: New

    Interchange: 31911-HW1-671 · IMR9D-9H

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

    31911-HW1-671, 31911HW1671, 6544, IMR9D-9H

    Frequently Asked Questions

    Is the NGK 6544 spark plug the right one for the 2008-2009 Honda Aquatrax F-15X?

    Yes. NGK 6544 is listed for the 2008-2009 Honda Aquatrax F-15X, which takes four plugs. This listing is for one plug.

    Is this one of the NGK iridium spark plugs with a platinum ground electrode?

    Yes. NGK 6544 has a fine wire iridium alloy center electrode and a platinum tip on the ground electrode.

    What gap, thread size and heat range does this spark plug have?

    This spark plug has a gap of .036 in (0.9 mm), an M10 - 1.0 thread and a heat range of 9. Its thread reach is 0.750 in (19.0 mm).

    How can I tell whether this spark plug is worn?

    With the engine off and cool, a worn plug can show rounded electrodes, a cracked ceramic or heavy deposits. Hard starting or a misfire can come from a worn plug.

    Does the number IMR9D-9H match NGK 6544?

    Yes. IMR9D-9H is NGK's other number for NGK 6544, so the two refer to the same plug.

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