Harley Davidson 1250 Night Rod V Rod Sportster 1250 sportster s 121HP

2021

121 Original HP
129 Modified HP
125 Original NM
133 Modified NM
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Harley Davidson 1250 Night Rod V Rod Sportster

Harley Davidson 1250 Night Rod V Rod Sportster 2021 1250 sportster s 121HP

Key Specifications

Generazione 2021
Carburante Petrol
Anni 2021 - presente
Power 121 → 129 hp +8 hp
Torque 125 → 133 Nm +8 Nm
Power
129 HP
+8 HP (+6.6%)
Original 121 HP
Stage 1 129 HP
Torque
133 NM
+8 NM (+6.4%)
Original 125 NM
Stage 1 133 NM

Power Graph

Original Power 121HP
Original Torque 125Nm
Power After Remap 129HP
Torque After Remap 133Nm

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Frequently Asked Questions - Harley Davidson 1250 Night Rod V Rod Sportster

The cost of Stage 1 tuning for Harley Davidson 1250 Night Rod V Rod Sportster 1250 sportster s 121HP varies depending on the ECU and specific requirements. Contact us for a free personalized quote.

Stage 1 tuning for Harley Davidson 1250 Night Rod V Rod Sportster typically takes 1-2 hours of work. Time may vary depending on the ECU type.

Yes, our Stage 1 tunes are developed respecting the engine's safety margins. The power increase from 121 to 129 HP (+7%) is within safe parameters.

With Stage 1 tuning, Harley Davidson 1250 Night Rod V Rod Sportster goes from 121 HP to 129 HP (+8 HP) and from 125 Nm to 133 Nm (+8 Nm).

Stage 1 remapping takes it from 121 HP to 129 HP (+8 HP, +7%) and torque from 125 Nm to 133 Nm (+8 Nm). These figures refer to the standard engine, with no hardware modifications.

A remap changes the factory calibration, so on a vehicle still under manufacturer warranty it may affect coverage on powertrain components. Performance tuning keeps all emission systems working; deactivating emission devices such as DPF, EGR or AdBlue is not road-legal in the EU and UK and is intended for off-road, motorsport or export use only.

With a normal driving style consumption usually stays the same or drops slightly: the extra torque at low rpm means less throttle for the same speed. Consumption goes up only if you actually use the additional power.

Yes. The original file is read and stored before any modification, so the vehicle can be returned to the factory calibration at any time.

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Harley Davidson 1250 Night Rod V Rod Sportster 1250 sportster s 121HP
+8 HP
129 HP