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2020 Harley-Davidson Sportster Forty-Eight Overview
The 2020 Harley-Davidson Sportster Forty-Eight is a custom / cruiser motorcycle built around 1202 cc of displacement. Under the tank sits a V2, four-stroke engine running Double Overhead Cams/Twin Cam (DOHC) valve actuation, a compression ratio of 10.0:1. The bore and stroke measures 88.9 x 96.8 mm. 2020 Harley-Davidson Sportster Forty-Eight delivers 99 Nm @ 3500 Revolutions" of torque. From a practical standpoint, the 2020 Sportster Forty-Eight tips the scales at 252 kg, carries a 7.90-litre fuel tank, offers a seat height of 665 mm and spans a 1495 mm wheelbase. Scroll down for the complete 2020 Harley-Davidson Sportster Forty-Eight spec sheet covering every technical detail from suspension travel to tyre sizes.
2020 Sportster Forty-Eight - Pros & Cons
Strengths
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Fuel injection: The fuel injection injection system delivers crisp throttle response and reliable cold starts regardless of altitude or temperature.
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Accessible seat height: At 665 mm, the seat height is approachable for a wide range of rider heights and builds confidence in low-speed manoeuvring.
Considerations
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Age-related wear: As with any used Sportster Forty-Eight, a thorough pre-purchase inspection covering consumables, service history and tyres is always recommended.
Owner Experiences & Common Issues
Throttle response and fuelling
The fuel injection on the 2020 Harley-Davidson Sportster Forty-Eight is generally well-regarded. Some owners note a slight hesitation at small throttle openings when cold, which clears once the engine reaches operating temperature. A quick visual check of the injector connectors during routine servicing is good practice on higher-mileage examples.
Valve clearance checks
Double Overhead Cams/Twin Cam (DOHC) engines should have valve clearances checked at the manufacturer's specified interval. Owners report that clearances can tighten over time on higher-mileage bikes, leading to slight ticking from the top end. Catching it early keeps the job simple and avoids more costly remediation.
Sportster Forty-Eight - Buying & Maintenance Guide
What to check before buying
When inspecting a used 2020 Harley-Davidson Sportster Forty-Eight, 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 Forty-Eight 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 Forty-Eight. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. The sump holds 2.80 litres, so budget for that volume of quality motorcycle-specific engine oil. Always use the correct viscosity grade as specified in the owner's manual.
Fuel system care
The Sportster Forty-Eight's fuel injection system is durable but benefits from quality fuel and the occasional use of a fuel-system cleaner additive. If the bike has been stored for more than three months, drain and replace the fuel to prevent varnish deposits in the injectors.
Valve clearance service
Check that valve clearances have been adjusted at the correct intervals on any used Sportster Forty-Eight. This is a job many owners skip because the bike does not immediately feel wrong - but tight clearances accelerate valve seat wear. Ask for proof it has been done.
2020 Harley-Davidson Sportster Forty-Eight - Frequently Asked Questions
What engine does the 2020 Harley-Davidson Sportster Forty-Eight have?
The 2020 Harley-Davidson Sportster Forty-Eight uses a V2, four-stroke engine with 1202 cc of displacement.
How much does the 2020 Harley-Davidson Sportster Forty-Eight weigh?
The 2020 Harley-Davidson Sportster Forty-Eight weighs 252 kg. This is the manufacturer's wet figure.
How much power does the 2020 Harley-Davidson Sportster Forty-Eight make?
The 2020 Harley-Davidson Sportster Forty-Eight produces 99 Nm @ 3500 Revolutions" of torque.
What is the fuel tank capacity of the 2020 Harley-Davidson Sportster Forty-Eight?
The 2020 Harley-Davidson Sportster Forty-Eight has a 7.90-litre fuel tank.
Is the 2020 Harley-Davidson Sportster Forty-Eight suitable for shorter riders?
The 2020 Harley-Davidson Sportster Forty-Eight has a seat height of 665 mm. This is a comfortable, accessible height for most riders.
What brakes does the 2020 Harley-Davidson Sportster Forty-Eight have?
The 2020 Harley-Davidson Sportster Forty-Eight uses Single disc. Dual-piston. Optional ABS. at the front and Single disc. Single-piston. Optional ABS. at the rear.
What tyre sizes does the 2020 Harley-Davidson Sportster Forty-Eight use?
The front tyre size on the 2020 Harley-Davidson Sportster Forty-Eight is 130/90-B16.
How much oil does the 2020 Harley-Davidson Sportster Forty-Eight take?
The 2020 Harley-Davidson Sportster Forty-Eight takes 2.80 litres of engine oil at a full oil and filter change. Always verify against the dipstick or sight glass after filling.
Harley-Davidson Sportster Forty-Eight Spec Evolution
The Harley-Davidson Sportster Forty-Eight was produced across 8 model years (2013-2020). 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 |
2013 |
2014 |
2015 |
2016 |
2017 |
2018 |
2019 |
2020 |
| Wet Weight |
259.9 kg / 573.0 lbs |
259.9 kg / 573.0 lbs |
259.9 kg / 573.0 lbs |
257.0 kg / 566.6 lbs |
252.0 kg / 555.6 lbs |
252.0 kg / 555.6 lbs |
252.0 kg / 555.6 lbs |
252.0 kg / 555.6 lbs |
| Dry Weight |
250.8 kg / 553.0 lbs |
250.8 kg / 553.0 lbs |
250.8 kg / 553.0 lbs |
247 kg / 544.5 lbs |
247 kg / 544.5 lbs |
247 kg / 544.5 lbs |
247 kg / 544.5 lbs |
247 kg / 544.5 lbs |
| Engine Detail |
Air-cooled, Evolution® |
Air-cooled, Evolution® |
Air-cooled, Evolution® |
Evolution® engine |
Evolution® engine |
Evolution® engine |
Evolution® engine |
Evolution® engine |
| Seat Height |
660 mm / 26.0 in. |
660 mm / 26.0 in. |
660 mm / 26.0 in. |
710 mm / 28.0 in. |
710 mm / 28.0 in. |
710 mm / 28.0 in. |
665 mm / 26.2 in. |
665 mm / 26.2 in. |
| Fuel Capacity |
7.95 litres / 2.10 gallons |
7.95 litres / 2.10 gallons |
7.90 litres / 2.09 gallons |
7.90 litres / 2.09 gallons |
7.90 litres / 2.09 gallons |
7.90 litres / 2.09 gallons |
7.90 litres / 2.09 US gallons |
7.90 litres / 2.09 US gallons |
| Oil Capacity (Quarts) |
0.17 quarts |
0.17 quarts |
0.17 quarts |
0.17 quarts |
0.17 quarts |
0.17 quarts |
2.75 US quarts |
2.96 US quarts |
| Oil Capacity (l) |
2.60 litres |
2.60 litres |
2.60 litres |
2.60 litres |
2.60 litres |
2.60 litres |
2.60 litres |
2.80 litres |
| Ground Clearance (mm) |
99 mm |
99 mm |
99 mm |
110 mm |
110 mm |
110 mm |
110 mm |
110 mm |
Key Specifications
Torque
99.0 Nm (10.1 kgf-m or 73.0 ft.lbs) @ 3500 Revolutions"
Weight
252.0 kg / 555.6 lbs
Fuel Capacity
7.90 litres / 2.09 US gallons
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Full 2020 Harley-Davidson Sportster Forty-Eight Specifications
Colours
Vivid Black, Performance Orange, Stone Washed White Pearl, River Rock Grey Denim, Stiletto Red
Seat Heigth -Alternate (mm)
711 mm
Seat Heigth -Alternate (in.)
28.0 inches
Ground Clearance (mm)
110 mm
Ground Clearance (in.)
4.3 inches
Seat Height
665 mm / 26.2 in.
Wheelbase
1495 mm / 58.9 in.
Length
2164 mm / 85.2 in.
Oil Capacity (Quarts)
2.96 US quarts
Oil Capacity (l)
2.80 litres
Dry Weight
247 kg / 544.5 lbs
Fuel Capacity
7.90 litres / 2.09 US gallons
Wet Weight
252.0 kg / 555.6 lbs
Fuel Control
Double Overhead Cams/Twin Cam (DOHC)
Engine Type
V2, four-stroke
Displacement (ci)
73.35 cubic inches
Displacement (cc)
1202.0 cc
CO2
113.7 CO2 g/km. (CO2 - Carbon dioxide emission)
Bore x Stroke (mm)
88.9 x 96.8 mm
Bore x Stroke (in,)
3.5 x 3.8 inches
Engine Detail
Evolution® engine
Fuel System
Injection. Electronic Sequential Port Fuel Injection
Compression Ratio
10.0:1
Engine Lubrication
Dry sump
Exhaust
Black, staggered exhaust with slash-cut mufflers
Fuel Consumption
4.90 litres/100 km (20.4 km/l or 48.00 mpg)
Starter
Electric
Clutch
Multi-plate with diaphragm spring in oil bath
Final Drive
Belt (final drive)
Gearbox
6-speed
Primary Drive
57/38 ratio
Suspension - Front
Telescopic fork
Suspension - Rear
Twin shocks
Rake
30.2°
Trail
135 mm / 5.3 in.
Instrumentation
Handlebar-mounted electronic speedometer with odometer, time-of-day clock, dual tripmeter, low fuel warning light, low oil pressure light, engine diagnostics readout, LED indicator lights
Lighting system
High beam, neutral, low oil pressure, turn signals, engine diagnostics, low fuel warning, low battery, security system (optional)
Brakes - Front
Single disc. Dual-piston. Optional ABS.
Brakes - Rear
Single disc. Single-piston. Optional ABS.
Rims
Black, Split 9-Spoke Cast Aluminum w/ Machined Highlights
Tyres - Front
130/90-B16
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