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