Speedo Seats & Luggage- racks Frame Chassis Suspension Forktubes Wheels Brake Fenders Gastanks Motorparts Gaskets Intake Transmission & Driveline Exhaust Electrical & Lights Handlebars, Cables & Mirrors Oil tanks Oil & Chemicals Fasteners Windshields Forward controls, Footpegs Miscellaneous ELECTRICAL - IGNITION, WIRING, STARTERS, REGULATORS & BATTERIES 15 1182 NEW PRODUCTS ADDED WEEKLY AT / MOTORCYCLESTOREHOUSE.COM DYNATEK, CUSTOM COILS Dyna coils will offer you a large variety of coils to choose from for just about any custom application you can think of. All are High Performance dual or single tower coils and made in the U.S.A. Note: It is recommended to use ignition modules & coils of the same manufacturer. Intermixing different brands may cause premature failure. 65-99 B.T.; 65-03 XL. For electronic ignition (excl. Twin Cam & other single fire applications) in custom applications. (carbureted models) ( 1 ) Dual Tower (sold in pairs) 902520 12 volt, 3 ohm. (DC1-1). Single fire/4plugs 902515 6/12 volt, 1.5 ohm. Must be wired in series to achieve 3 ohm. (DC2-1). Dual fire/4 plugs. ( 2 ) Single Tower (sold in pairs) 907350 12 volt, 3 ohm. (DC3-1). Single fire/2 plugs 65-99 B.T.; 65-03 XL. For points/Dyna-S ignition (excl. Twin Cam & other single fire applications) in custom applications. (Custom single fire, carbureted models) ( 1 ) Dual Tower (sold in pairs) 907351 12 volt, 5 ohm. (DC8-1). Single fire/4 plugs ( 2 ) Single Tower (sold in pairs) 512663 12 volt, 5 ohm. (DC10-1). Single fire/2 plugs 512663 902520 902515 907350 907351 1 1 1 2 2 902534 902522 DYNATEK, TWIN-FIRE COIL, SINGLE FIRE To be used in single fire applications only. 3 ohm primary resistance. Compatible with Dyna 2000i. Not to be used with Dyna-S ignition modules. Note: It is recommended to use ignition modules & coils of the same manufacturer. Intermixing different brands may cause premature failure. 65-99 B.T.; 65-03 XL. For electronic ignition (excl. Twin Cam & other single fire applications) in custom applications. (Custom single fire, carbureted models) 902534 2-plug. Twin-Fire ll 902522 4-plug. Twin-Fire DYNATEK, MINIATURE COILS In single or dual tower. One of the smallest coils available. Great for customs where coils need to be out of sight. Overall dimensions 4.2" x 2.3" x 1.6" (10.7cm x 5.8cm x 4.1cm). Mounting hole distance 2.9" min. to 3.5" max. (7.3cm to 8.8cm). For Evo & earlier Custom use. 3 ohm primary resistance for most electronic ignition systems that use dwell control, like Dyna 2000i (Not for Dyna-S modules). 35.000 Volt output. Note: Do not use 3 ohm coils on Twin Cam. 65-99 B.T.; 65-03 XL. For electronic ignition (excl. Twin Cam & other single fire models) in custom applications. (Dual fire, carbureted models) Dual fire use 902568 Dual tower for 2 plugs (sold each) 65-99 B.T.; 65-03 XL. For electronic ignition (excl. Twin Cam & other single fire applications) in custom applications. (Custom single fire, carbureted models) Single fire use 902566 Dual tower for 2 plugs (sold in pairs) 902569 Single tower for 1 plug (sold each) 902567 Single tower for 1 plug (sold in pairs) 99-17 Twin Cam models in custom applications. (0.5 Ohm, carbureted or fuel injected) These are the ones for custom use on Twin Cam models. Primary resistance is just 0.5 ohm and must only be used with the OEM Twin Cam ignition system or other ignition systems that are designed for Twin Cam style low resistance coils. 40.000 Volt output. Note: Standard Twin Cam ignition is a single fire system. Note: 0.5 ohm coils use on Twin Cam only. Dual fire use 902583 Dual tower for 2 plugs (sold each) Single fire use 902581 Dual tower for 2 plugs (sold in pairs) 902584 Single tower for 1 plug (sold each) 902582 Single tower for 1 plug (sold in pairs) 902583 TWIN FIRE MINIATURE CUSTOM COILS LATE OEM STYLE IGNITION COILS Direct replacement in a custom 'late' 85-99 styling. 12 volt. Used to upgrade from the old 'round' 65-84 style to the more modern 85-99 style. 65-99 B.T.; 65-03 XL. For points ignition (excl. Twin Cam & other single fire models) in custom applications. (Dual fire, carbureted models) Black Chr. 516945 516802 5 Ohm. Points ignition models. Repl. 31609-65A 80-84 Shovel B.T.; 80-84 XL. With electronic ignition (Dual fire) Black Chr. 516940 516803 4 Ohm. Repl. 31609-80 516802 508822 EARLY OEM STYLE COIL FOR EVO Replacement coil in a custom 'early' 65-84 'round' styling. Used to give the Evo a more classic touch. Compatible with the OEM style ignition. 65-99 B.T.; 65-03 XL. For electronic ignition (excl. Twin Cam & other single fire applications) in custom applications. (Dual fire, carbureted models) 508822 3 ohm. Repl. 31614-83A (with late style housing) Difference between Single & Dual Fire - Dual Fire - This is the way the earlier, pre-Twin Cam, engines work. A single coil is used and both spark plugs fire simultaneously. This is the simplest system. The 'wasted' spark is sometimes said to be horsepower robbing. - Single Fire - This is the way the stock 00-up Twin Cam, M8 and RH/RA Revolution engines work. Two separate, or internally separate, coils will fire the spark plugs independently and only the spark plug of the cylinder that is on compression stroke will be fired. It is said that these engines vibrate less and can improve power. The effects will become more pronounced with hotter cams and higher RPM. tech-tip 86
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