PROGRAMMABLE SINGLE FIRE IGNITION MODULE 70-03 HARLEY-DAVIDSON BIG TWIN SPORTSTER 53-660

Programmable single fire electronic ignition module for Harley-Davidson Big Twin and Sportster models, designed to control ignition timing and firing operation on compatible nose-cone ignition engines. This unit is used as part of an electronic ignition system for single fire applications and is suitable for replacing or cross-referencing with Ultima 53-660 ignition systems on the listed motorcycle applications.

Features

• Programmable electronic ignition control for single fire ignition systems


• Supports ignition timing control on compatible Harley-Davidson Big Twin and Sportster engines


• Suitable for nose-cone ignition applications


• Provides programmed ignition curves for a range of engine builds


• Includes support for adjustable retard timing where used with the correct programming setup


• Compatible with data recovery functions when used with the required programming software kit


• Designed for use with single fire coil ignition arrangements


• Provides intelligent over-voltage and over-current protection where supplied as part of the equivalent Ultima ignition system


• Supports short-circuit protection where supplied as part of the equivalent Ultima ignition system

Specifications

• Ignition type: Single fire electronic ignition


• Programmable dead cranking revolutions: 0-10


• Programmable rear cylinder offset: +/- 10 degrees


• Programmable rev limiter


• Compatible with single fire coil output exceeding 30,000 volts when used with the equivalent Ultima 53-660 ignition kit


• Data recording capability includes total engine hours


• Data recording capability includes time at wide open throttle


• Data recording capability includes number of engine starts


• Data recording capability includes longest time operating at wide open throttle


• Data recording capability includes maximum rpm


• Data recording capability includes seconds near rev limit


• Programming and data recovery functions require the appropriate programming software kit

Cross-Reference OEM Part Numbers

• Ultima 53-660


• Ultima 60-53-660-06

Vehicle Fitments

• Harley-Davidson Big Twin 1970-1999, except Twin Cam models


• Harley-Davidson Sportster 1986-2003


• Harley-Davidson Sportster 1971-2003 where listed for Ultima 53-660 applications, except S models


• Not suitable for fuel-injected models