dragspecialties.eu / partseurope.eu WINDSHIELDS & FAIRINGS SADDLEBAGS & LUGGAGE SEATS & SISSY BARS FUEL/AIR SYSTEMS EXHAUST TRANSMISSION, CLUTCH LINE & DRIVELINE ENGINE GASKETS & SEALS LIGHTING & LICENSE PLATES ELECTRICAL HANDLEBARS, CONTROLS & MIRRORS CABLES TANKS & OIL FILTERS BRAKES & BRAKE LINES DASHES & GAUGES FENDERS COVERS, LOCKS & GENERAL FRAMES & SUSPENSION FOOTRESTS & FLOORBOARDS WHEELS & AXLES SECTION 9 All part numbers in BLUE are new for the OldBook. See FATBOOK For Late Model Applications 473 DISCLAIMER: SEE PAGE 5 FOR IMPORTANT INFORMATION REGARDING CERTAIN WARRANTY AND EMISSION CONTROL REGULATION COMPLIANCE AND NOISE REGULATION INFORMATION. APPLICATION CHART FOR DYNA COILS WHEN USING DYNA “S” IGNITION SYSTEMS FITMENT APPLICATION PART # W/ single-plug heads Race only, 3 ohm (green), each DC6-1 W/ dual-plug heads Race/Street, 1,5 ohm (brown), pair DC2-1 PART # DESCRIPTION DS6-1 For 70-99 Big Twin (80-99 Big Twin require an advance unit), 71-85 XL DUAL-FIRE ELECTRONIC IGNITION SYSTEM •Perfect ignition timing once and for all •Self-contained ignition system features Hall Effect magnetic sensors, which are not sensitive to rpm changes or affected by dirt and oil •Improves overall performance by changing the timing less than three degrees, extends plug life, eliminates the use of points and condensers; can be easily installed •Used and endorsed by many championship racers NOTE: On 84-up Harley-Davidsons, an advance weight mechanism is required. NOTE: Not recommended for use with OEM coils. APPLICATION CHART FOR DYNA COILS WHEN USING DYNA “S” IGNITION SYSTEMS FITMENT APPLICATION PART # W/ single-plug heads Street, 5 ohm (black), pair DC10-1 W/ single-plug heads Race only, 3 ohm (green), pair DC3-1 W/ dual-plug heads Race only, 3 ohm (green), pair DC1-1 W/ dual-plug heads Race only, requires two coils, 3 ohm (green), each DC6-1 PART # DESCRIPTION DS6-2 For 70-99 Big Twin, 71-85 XL using a mechanical advance unit PART # DESCRIPTION D-101 Tach adapter SINGLE-FIRE ELECTRONIC IGNITION SYSTEM •All the features of the famous Dyna “S”, plus the special feature of firing the front and rear cylinders independent of each other, allowing a much more accurate timing of each cylinder •The stock ignition system fires both cylinders at the same time, which works fine for the front cylinder but the rear receives the “wasted” spark when the cylinder has started its intake stroke; this can result in harder starting, increased engine vibration, backfire and raw fuel being spit back into the carb, all creating a power loss •Dyno and top-speed testing have shown a dramatic improvement in power in all areas; bikes with hotter cams show the greatest improvement •If you truly want to get the most out of your stock, slightly modified or all-out customized Harley-Davidson, you need a Dyna “S” single-fire ignition system NOTE: Not recommended for use with OEM coils. NOTE: On later models, an advance weight mechanism is required. NOTE: This unit must be used with special Dyna coils; see coil chart for correct coils. NOTE: Tach adapter is required when using an electric tach. NOTE: Not for fuel-injected models. PART # DESCRIPTION FOR 70-99 BIG TWIN (EXCEPT TWIN CAM), 71-85 XL 2101-0346 HI-4N ignition module, ignition coil and plug wires PART # DESCRIPTION FOR 70-99 BIG TWIN (EXCEPT TWIN CAM), 71-85 XL (CONT) 2101-0345 HI-4N ignition module only HI-4N IGNITION MODULE KIT •More power than the stock ignition •Single-fire and dual-fire function built into a single module •All-metal housing provides improved heat dissipation •Ignition advance and timing degree markings are on the metal flange •Convenient cable notch in the housing makes installation easier and prevents damage to the cable •Sensor and magnet housings are built into the all-metal back plate to protect the sensors from damage during installation •Sensor housings contain advanced flux concentrators with high-temperature-resistant samarium/cobalt magnets for accurate, reliable ignition triggering •Electronics are fully enclosed to resist vibration, moisture and dirt •All electronics are mounted directly to the metal housing, which acts as a heat sink •Four rotary switches for ignition mode selection, advance rate, and rev limit •Switches provide accurate, repeatable settings •PART #2101-0346 includes ignition module, S&S ignition coil and correct-length spark plug wires; PART #2101-0345 includes HI-4N ignition module only NOTE: Not for fuel-injected models. 2101-0346 DS6-1 DC2-1 DS6-2 DC6-1 DC1-1 DC10-1
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