The TTS MasterTune 2 is a comprehensive, Windows-based Electronic Control Module (ECM) reprogramming and tuning system designed specifically for Delphi-equipped Harley-Davidson motorcycles.
Direct ECM Access: Allows users to read, save, modify, and flash factory calibrations directly through the motorcycle's diagnostic port.
Included Software Suite: Typically bundles multiple powerful programs including MasterTune, DataMaster (for recording engine data), and VTune (for volumetric efficiency tuning).
SoCal Powersports
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Custom Adjustments: Lets you modify spark advance, front and rear volumetric efficiency (VE) tables, air-fuel ratio (AFR) targets, idle speed, rev limits, and injector sizing.
MasterTune.net
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Diagnostics & Graphing: Provides 2D and 3D graphing of tables, quick table comparisons, and built-in safety limits to prevent unsafe engine tuning adjustments.