ELECTRONIC IGNITION MODULE 70-03 HARLEY-DAVIDSON BIG TWIN SPORTSTER ULTIMA 53-644 SINGLE-FIRE 53644
Programmable single-fire electronic ignition module for compatible carburettor-fed Harley-Davidson Big Twin and Sportster models. Provides electronic ignition control for single-fire applications. Supports programmable advance curve adjustment with optional data link cable and software. Features intelligent overvoltage and overcurrent protection, short-circuit protection, and heat-resistant electronic components. Mode switches are positioned for easier setup. Part number 53-644. Ignition type: electronic ignition module. Configuration: programmable single-fire. Compatible with engines up to 140 cubic inches. Supports single-fire or dual-fire operation with suitable coils. Recommended dual-fire single-plug coil resistance: 2.5–3.5 ohms. Adjustable engine over-rev protection range: 6,000–7,500 rpm. Eight selectable advance curves. Cross-reference OEM part numbers: Ultima 53-644, 53644.
- SKU
- 44-6890
- Brand
- Dirt Racing
- Availability
- In Stock (2)
FULL DESCRIPTION
Programmable Single-Fire Electronic Ignition Module for Harley-Davidson
Enhance the ignition system of your compatible carburettor-fed Harley-Davidson Big Twin or Sportster with this programmable single-fire electronic ignition module. Engineered for precision and reliability, this module offers advanced control over your engine's ignition timing.
Key Features:
- Programmable ignition control specifically designed for compatible Harley-Davidson applications.
- Operates in a single-fire ignition configuration for optimal spark delivery.
- Allows for adjustable advance curves when paired with the optional data link cable and software, enabling fine-tuning of engine performance.
- Features adjustable retard timing for further calibration.
- Includes intelligent overvoltage and overcurrent protection to safeguard the module.
- Provides robust short-circuit protection.
- Constructed with heat-resistant electronic components to minimize heat-related failures and ensure longevity.
- Mode switches are conveniently positioned for easier setup, whether in cam-cover or plug-in applications.
Specifications:
- Ignition Type: Electronic Ignition Module
- Configuration: Programmable Single-Fire
- Engine Compatibility: Suitable for engines up to 140 cubic inches.
- Coil Support: Can support single-fire or dual-fire operation when used with appropriate coils.
- Recommended Dual-Fire Single-Plug Coil Resistance: 2.5–3.5 ohms.
- Adjustable Over-Rev Protection: Range of 6,000–7,500 RPM to protect your engine.
- Advance Curves: Offers eight selectable advance curves for diverse performance needs.