Harley-Davidson XL 1200X Sportster Forty-Eight - 2010 Specifications and Reviews

The 2010 Harley-Davidson XL 1200X Sportster Forty-Eight is a classic custom cruiser built for riders seeking authentic retro styling with modern reliability. Its 1200cc V-twin engine delivers strong low-end torque ideal for relaxed cruising, while the minimalist design and agile handling appeal to experienced riders who value performance and aesthetics. Known for its stripped-down bobber aesthetic and excellent fuel efficiency, the Forty-Eight defines modern custom Harley culture.

2010
4 stars Average rating: 4 from 1 votes
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General information

CategoryCustom / cruiser
Year2010
ModelHarley-Davidson XL 1200X Sportster Forty-Eight

Engine and Transmission Specifications

Exhaust systemChrome, shorty dual exhaust with slash-cut mufflers
Greenhouse gases129.9 CO
Fuel consumption5.60 litres/100 km (17.9 km/l or 42.00 mpg)
ClutchMulti-plate, wet
Transmission type,final driveBelt
Gearbox5-speed
Cooling systemAir
Lubrication systemDry sump
Fuel systemInjection. Electronic Sequential Port Fuel Injection (ESPFI)
Bore x stroke88.9 x 96.8 mm (3.5 x 3.8 inches)
Compression9.7:1
Torque107.00 Nm (10.9 kgf-m or 78.9 ft.lbs) @ 4000
Engine typeV2, four-stroke
Capacity:1200.00 ccm (73.22 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakes diameter292 mm (11.5 inches)
Rear brakesSingle disc. Single piston
Front brakes diameter292 mm (11.5 inches)
Front brakesSingle disc. Dual piston
Rear tyre dimensions150/80-B16
Front tyre dimensionsMT90-B16
Rear suspension travel41 mm (1.6 inches)
Rear suspensionCoil-over, preload dual adjustments
Front suspension travel92 mm (3.6 inches)
Front suspension39mm
Trail119 mm (4.7 inches)
Rake (fork angle)29.9°

Physical measures and capacities

Oil capacity2.60 litres (0.17 quarts)
Fuel capacity8.00 litres (2.11 gallons)
Wheelbase1,520 mm (59.8 inches)
Ground clearance99 mm (3.9 inches)
Overall width831 mm (32.7 inches)
Overall length2,250 mm (88.6 inches)
Overall height1,067 mm (42.0 inches)
Seat height680 mm (26.8 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc257.0 kg (566.6 pounds)
Dry weight247.0 kg (544.5 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsVivid Black, Brilliant Silver, Mirage Orange
StarterElectric

Performance Profile & Rider Fit

5.5s
0-60 mph (est.)

Best For

Track10%
City60%
Cornering35%
Daily Riding50%
Touring25%
Passenger20%

Rider Profile

Best ForBest suited to riders who are comfortable with a heavy, low-slung cruiser and want a stripped-down, muscular Sportster feel rather than outright speed.
PurposeBuilt for short blasts, boulevard cruising, and making a bold visual statement rather than covering long distances or tackling twisty roads quickly.
Rider FitThe low 680mm seat height and wide fat tire make it approachable for shorter riders, though the weight and limited suspension travel demand some upper body effort at low speed and over bumps.
CharacterA raw, torque-driven air-cooled V-twin with an aggressive blacked-out custom look, favoring attitude and presence over refinement or performance numbers.
Not Ideal ForNot a good fit for riders seeking highway touring comfort, aggressive cornering capability, or any kind of off-road use.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2010 Harley-Davidson XL 1200X Sportster Forty-Eight Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 680mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2010 Harley-Davidson XL 1200X Sportster Forty-Eight, with a cramped knee angle of around 75 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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