This tune is for America and Speedmaster owners who intend to install a 904 Big Bore Kit, a venturi style high flow airbox intake cover, DNA or K&N high performance air filter, performance cams and short free flowing silencers measuring under 20"/50cm.
- Dyno developed and road tested.
- Smooth acceleration with no flat spots.
- Excellent power when required & good economy whilst cruising.
- 95MPH speed limiter removed for LCD odometer VIN:B bikes.
- TTP Stage 4 ignition advance for more power and a crisper throttle response.
- This tune requires O2 sensor removal for smoother running at low revs.
- Direct download link on your order receipt.
- TuneLoader software for easy deployment and engine maintenance tasks. Requirements: Windows - Vista, 7, 8, 8.1 (except RT), 10 or 11.
|Click HERE to read the TTP X-Files|
about performance bolt-on mods for
the America and Speedmaster.