![]() What To Look For IN A Z8C Spark Plug Replacement? In addition to all these replacement recommendations, the owner’s manual provides details about the spark plug. Owner’s manuals provide maintenance tips, a diagram of the vehicle, and replacement requirements, such as engine oil, transmission fluid, windshield wiper concentrate, air & oil filters, brake fluid, coolant, light bulbs, batteries, and components. The information provided in the owner’s manual is specific to the make and model of the vehicle. Two-stroke motorcycles and other motorized vehicles come with an owner’s manual. ![]() There is only one sure way to buy the exact aftermarket spark plug. How To Know Which Replacement Spark Plug To Buy? Even worse is a complete engine malfunction. Improper cross-referencing of spark plugs could result in poor performance, overheating, misfiring, quenching, and increased petrol consumption. It just means there is always a possibility. Now, this is not to say, all generic brand spark plugs are incompatible with brand-name spark plugs. It is unfortunate when consumers just “assume” generic and name-brand spark plugs are of equal value. Like most consumer products, spark plugs are available in dozens of generic brands. Manufacturers rely on a systematic cross-reference process to design and produce interchangeable, equivalent spark plugs. ![]() The automotive part store cross-references the spark plug with a different brand of equivalent value. For example, a consumer is unable to access an OEM spark plug for his motorized bike. Having access to interchangeable spark plugs of different brands is vital to consumers. The first two numbers represent the “ Heat Range,” and the next three letters specify the “ Firing End Design” and the final number is the “ Gap Dimension.” Spark Plug Cross Reference Risks The shell design allows the spark plug to fit perfectly into the motor cylinder head. “E” refers to the “ Shell” design or reach and thread size. “R” basically says the spark plug is a monolithic “ Resistor” which is constructed from a combination of glass and graphite materials. The number is an important tool to ensure the right application. How To Interpret A Spark Plug Part Number?Įach spark plug model has a number on its insulator. Another option is the NGK B8HS which works great in warmer climates. The NGK B6HS is ideal for street bikes, while the NGK B7HS helps keep high-performance engines cooler. The major difference between the two NGK spark plug models is the B7HS is specifically designed for high-performance motorized bikes. With this said, both NGK replacements have a longer tip. The NGK B6HS and NGK B7HS are provided in the cross-reference. There are two NGK equivalents to the Z8C spark plug. Many are which is why they choose to routinely clean their Z8C spark plugs instead of replacing them. It is vital to know the specifics before buying a replacement. Cross Reference Z8C Spark PlugĬross-referencing a Z8C spark plug can be risky. It is similar to replacing original OEM parts with non-OEM or aftermarket parts of a different brand. The method provides an alternative brand equivalent to the original OEM spark plug. Z8C spark plug cross reference does not come without risks. Spark plugs are easy to come by, as they are available through land-based and online retailers and automotive part stores. Visit CV Performance for Harley NGK, Champion, and Autolite spark plugs.“Cross reference” is a term utilized in conjunction with spark plug replacement. Iridium plugs should only be used with electronic ignitions. All sparkplugs listed meet or exceed manufacturer specifications. In addition it is often more convenient to use aftermarket spark plugs aside from the enhanced performance. NGK and Autolite among others have always been a preferred performance plug for Harley motorcycles. While the motor company only recommends use of their original equipment Harley brand spark plugs, the other brands often exceed original specification and will not void your warranty. ![]() Below is a cross-reference list of spark plugs for use in most Harley models.
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