2025 Harley-Davidson Sportster S Specifications

Name: 2025 Harley-Davidson Sportster S
Brand: Harley-Davidson

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2025 Harley-Davidson Sportster S Overview

The 2025 Harley-Davidson Sportster S is a sport motorcycle built around 1252 cc of displacement. Under the tank sits a Four stroke, 60° V-twin Revolution Max 1250, Chain-driven, DOHC, hydraulic self-adjusting lifters, intake & exhaust VVT, four valves per cylinder engine, a compression ratio of 12.0:1. 2025 Harley-Davidson Sportster S delivers 121 hp @ 7500 rpm of peak power and 126 Nm @ 6000 rpm of torque. From a practical standpoint, the 2025 Sportster S tips the scales at 228 kg, carries a 11.7-litre fuel tank, offers a seat height of 765 mm and spans a 1520 mm wheelbase. Scroll down for the complete 2025 Harley-Davidson Sportster S spec sheet covering every technical detail from suspension travel to tyre sizes.

2025 Sportster S - Pros & Cons

Strengths

Strong power output: 2025 Harley-Davidson Sportster S makes 121 hp @ 7500 rpm with 126 Nm @ 6000 rpm of torque - competitive figures for its class.

Considerations

Age-related wear: As with any used Sportster S, a thorough pre-purchase inspection covering consumables, service history and tyres is always recommended.

Owner Experiences & Common Issues

Low-speed confidence

At 228 kg, the Sportster S is a substantial machine. New owners occasionally mention that slow-speed manoeuvring in car parks takes a little getting used to. Once moving, the weight disappears - but practising slow-speed exercises builds confidence quickly.

Sportster S - Buying & Maintenance Guide

What to check before buying

When inspecting a used 2025 Harley-Davidson Sportster S, start with the basics: check the service book for oil change frequency, inspect the chain and sprockets for wear, and look for oil seepage around the engine casings and rocker covers. A cold start test is invaluable - a well-maintained Sportster S should fire up cleanly and settle to a smooth idle within a few seconds.

Oil and filter changes

Regular oil changes are the single most important maintenance task on any Sportster S. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. Always use the correct viscosity grade as specified in the owner's manual.

2025 Harley-Davidson Sportster S - Frequently Asked Questions

What engine does the 2025 Harley-Davidson Sportster S have?

The 2025 Harley-Davidson Sportster S uses a Four stroke, 60° V-twin Revolution Max 1250, Chain-driven, DOHC, hydraulic self-adjusting lifters, intake & exhaust VVT, four valves per cylinder engine with 1252 cc of displacement. It is liquid cooled.

How much does the 2025 Harley-Davidson Sportster S weigh?

The 2025 Harley-Davidson Sportster S weighs 228 kg. This is the manufacturer's wet figure.

How much power does the 2025 Harley-Davidson Sportster S make?

The 2025 Harley-Davidson Sportster S produces 121 hp @ 7500 rpm of power and 126 Nm @ 6000 rpm of torque. These are peak figures.

What is the fuel tank capacity of the 2025 Harley-Davidson Sportster S?

The 2025 Harley-Davidson Sportster S has a 11.7-litre fuel tank.

Is the 2025 Harley-Davidson Sportster S suitable for shorter riders?

The 2025 Harley-Davidson Sportster S has a seat height of 765 mm. This is a moderate seat height that suits a wide range of rider heights.

What brakes does the 2025 Harley-Davidson Sportster S have?

The 2025 Harley-Davidson Sportster S uses Single 320mm rotor, radially mounted, monoblock, 4-piston caliper at the front and Single 260mm solid uniform expansion rotor, floating single piston caliper at the rear.

What tyre sizes does the 2025 Harley-Davidson Sportster S use?

The 2025 Harley-Davidson Sportster S runs 160/70TR17 73V Dunlop- Harley-Davidson Series, radial, GT503 front and 180/70R16 77V Dunlop- Harley-Davidson Series, radial, GT503 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.

What gearbox does the 2025 Harley-Davidson Sportster S have?

The 2025 Harley-Davidson Sportster S is fitted with a 6 Speed transmission.

Harley-Davidson Sportster S Spec Evolution

The Harley-Davidson Sportster S was produced across 2 model years (2021-2025). The table below highlights the key specifications that changed across the production run - useful whether you are comparing years or tracking down a specific variant.

Specification	2021	2025
Dry Weight	220 kg / 486 lbs	221 kg / 487 lbs
Seat Height	753 mm / 29.6 in	765 mm / 30.1 in
Fuel Capacity	11.8 Litres / 3.1 US gal	11.7 Litres / 3.1 US gal
Wheelbase	1518 mm / 59.8 in	1520 mm / 59.8 in
Ground Clearance	93 mm / 3.66 in	90 mm / 3.5 in
Suspension - Front	43 mm inverted fork with compression, rebound and spring preload adjustability. Aluminum fork triple clamps	43 mm inverted fork with compression, rebound and spring preload adjustability. Aluminium fork triple clamps
Height	1089 mm / 42.9 in	1085 mm / 42.7 in
Length	2265 mm / 89.2 in	2270 mm / 89.42 in

Key Specifications

Engine

Four stroke, 60° V-twin Revolution Max 1250, Chain-driven, DOHC, hydraulic self-adjusting lifters, intake & exhaust VVT, four valves per cylinder

Power

121 hp / 90 kW @ 7500 rpm

Torque

126 Nm / 93 lb-ft @ 6000 rpm

Top Speed

N/A

Weight

228 kg / 502 lbs

Fuel Capacity

11.7 Litres / 3.1 US gal

Full 2025 Harley-Davidson Sportster S Specifications

Year 2025

Make Model Harley Davidson Sportster S

Max Power 121 hp / 90 kW @ 7500 rpm

Max Torque 126 Nm / 93 lb-ft @ 6000 rpm

Displacement 1252 cc / 76.4 cu-in

Engine Detail Four stroke, 60° V-twin Revolution Max 1250, Chain-driven, DOHC, hydraulic self-adjusting lifters, intake & exhaust VVT, four valves per cylinder

Bore x Stroke 105 x 72.3 mm

Compression Ratio 12.0:1

Cooling System Liquid cooled

Exhaust 2-into-1-into-2, catalyst in muffler

Fuel Induction Electronic Sequential Port Fuel Injection (ESPFI)

Lubrication Semi-dry sump

Starter Electric