2018 Harley-Davidson Sportster Iron 883 Specifications

Name: 2018 Harley-Davidson Sportster Iron 883
Brand: Harley-Davidson

Custom / cruiser • Specs last verified 13 July 2026

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2018 Harley-Davidson Sportster Iron 883 Overview

Harley-Davidson Sportster Iron 883 is a custom / cruiser motorcycle. Power comes from a V2, four-stroke engine, a compression ratio of 9.0:1. Bore and stroke come in at 76.2 x 96.8 mm. On the performance side, it delivers 68 Nm @ 4750 Revolutions of torque. On the road, the 2018 Sportster Iron 883 tips the scales at 256 kg, carries a 12.50-litre fuel tank, offers a seat height of 653 mm and spans a 1,515 mm wheelbase. That's roughly 25.2 kg lighter than the average custom / cruiser motorcycle in our database. The full 2018 Harley-Davidson Sportster Iron 883 spec sheet below covers every technical detail, from suspension travel to tyre sizes.

2018 Harley-Davidson Sportster Iron 883 compared with other bikes in the Custom / cruiser category

We checked the recorded figures for the 2018 Harley-Davidson Sportster Iron 883 against up to 1316 bikes in the Custom / cruiser category in our database, counting each model once at the model year nearest to this one.

Only 130 of the other 1315 bikes in the Custom / cruiser category have a lower seat height than the 653 mm of the Sportster Iron 883.
With 68 Nm, the Sportster Iron 883 has the joint 275th lowest torque of 1053 bikes in the Custom / cruiser category, 34% below the category average of 103.5 Nm.
Narrowing the field to the 556 models within five model years of it, the seat height of 653 mm is lower than that of 481 of the other 555.

Versus the 2017 model

Compared with the 2017 model, peak torque dropped from 71 Nm to 68 Nm (-3 Nm). Wet weight and seat height are unchanged.

2018 Sportster Iron 883 - Pros & Cons

Strengths

Fuel injection: Fuel injection means consistent cold starts and clean throttle response without the fussiness of a carbureted setup.
Strong front braking: Stopping power up front is strong thanks to the single disc setup, with plenty of room to upgrade further with braided lines.
ABS fitted: ABS comes fitted from the factory - one less thing to worry about in a sudden stop on a slippery surface.
Accessible seat height: A 653 mm seat height keeps this manageable for most riders, which helps confidence at parking-lot speeds.
Low-maintenance final drive: Running a belt final drive cuts out the regular chain cleaning and tensioning that most bikes need.

Considerations

Age-related wear: Nothing specific stands out as a weak point on the Sportster Iron 883 - the usual used-bike checks (service history, consumables, tyres) apply.

Wear Points & Servicing Notes

Fuelling & injector care

The fuel injection on the Sportster Iron 883 needs little beyond good fuel and periodic use of an injector-cleaner additive - no jetting or float-bowl maintenance to worry about.

Brake disc and pad wear

Braking up front comes from single disc with Optional ABS, dual piston - solid stopping power, with disc and pad wear best checked on the same schedule as tyre changes.

Suspension condition on used examples

The Sportster Iron 883's suspension runs Telescopic fork at the front. The rear uses Twin shocks. Fork-seal condition and rear linkage play are the two things worth checking before buying used.

Final drive maintenance

The Sportster Iron 883 runs belt final drive: no lubrication or frequent adjustment like a chain, though belt tension and wear are worth a periodic look.

Handling the weight at a standstill

256 kg puts the Sportster Iron 883 toward the heavier end of its class. It's most noticeable at walking pace; once underway the mass settles into the handling rather than fighting it.

Sportster Iron 883 - Buying & Maintenance Guide

What to check before buying

Before handing over money for a used 2018 Harley-Davidson Sportster Iron 883 custom / cruiser, cover the fundamentals: service book and oil change history, drivetrain wear, and any sign of oil weeping around the casings. This model runs belt final drive, so check belt tension and tooth wear - a cracked or glazed belt is a clear sign of neglect. Now 8 years old, this custom / cruiser is as likely to show age-related wear (perished rubber, seized fasteners, degraded seals) as mileage-related wear. Cold-starting it yourself tells you a lot - a healthy Sportster Iron 883 should catch quickly and settle into a smooth idle.

Oil and filter changes

Nothing protects the Sportster Iron 883's v2, four-stroke engine like disciplined oil changes - stay on the manufacturer's schedule (roughly every 6,000 km or annually). The sump holds 2.60 litres, so budget for that volume of quality motorcycle-specific engine oil. With a 9.0:1 compression ratio, running the octane grade specified in the manual matters more than on a lower-compression engine. Match the viscosity grade to what the owner's manual specifies, not what's cheapest.

Fuel system care

Fuel injection on the Sportster Iron 883 needs little attention beyond decent fuel and an occasional system-cleaner additive. Anything left standing for three months or more should have its fuel drained and replaced before it varnishes the injectors.

2018 Harley-Davidson Sportster Iron 883 - Frequently Asked Questions

What engine does the 2018 Harley-Davidson Sportster Iron 883 have?

The 2018 Harley-Davidson Sportster Iron 883 is powered by a V2, four-stroke engine.

How much does the 2018 Harley-Davidson Sportster Iron 883 weigh?

The 2018 Harley-Davidson Sportster Iron 883 weighs 256 kg. This is the manufacturer's wet figure.

How much torque does the 2018 Harley-Davidson Sportster Iron 883 produce?

The 2018 Harley-Davidson Sportster Iron 883 produces 68 Nm @ 4750 Revolutions of torque.

What is the fuel tank capacity of the 2018 Harley-Davidson Sportster Iron 883?

The 2018 Harley-Davidson Sportster Iron 883 has a 12.50-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 208-250 km between stops.

Is the 2018 Harley-Davidson Sportster Iron 883 suitable for shorter riders?

The 2018 Harley-Davidson Sportster Iron 883 has a seat height of 653 mm. This is a comfortable, accessible height for most riders.

What brakes does the 2018 Harley-Davidson Sportster Iron 883 have?

The 2018 Harley-Davidson Sportster Iron 883 uses single disc with Optional ABS, dual piston at the front and single disc with Optional ABS, dual piston at the rear.

What tyre sizes does the 2018 Harley-Davidson Sportster Iron 883 use?

The 2018 Harley-Davidson Sportster Iron 883 runs 100/90-B19 front and 150/80-B16 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.

How much oil does the 2018 Harley-Davidson Sportster Iron 883 take?

The 2018 Harley-Davidson Sportster Iron 883 takes 2.60 litres of engine oil at a full oil and filter change. Always verify against the dipstick or sight glass after filling.

Harley-Davidson Sportster Iron 883 Spec Evolution

The Harley-Davidson Sportster Iron 883 was produced across 6 model years (2014-2019). 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	2014	2015	2016	2017	2018	2019
Wet Weight	260.0 kg / 573.2 lbs	260.0 kg / 573.2 lbs	260.0 kg / 573.2 lbs	256.0 kg / 564.4 lbs	256.0 kg / 564.4 lbs	256.0 kg / 564.4 lbs
Dry Weight	251 kg / 553.3 lbs	251 kg / 553.3 lbs	251 kg / 553.3 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®	Air-cooled, Evolution®	Air-cooled, Evolution®	Air-cooled, Evolution®
Fuel Capacity	12.49 litres / 3.30 gallons	12.49 litres / 3.30 gallons	12.49 litres / 3.30 gallons	12.50 litres / 3.30 gallons	12.50 litres / 3.30 gallons	12.50 litres / 3.30 US gallons
Oil Capacity (Quarts)	0.17 quarts	0.17 quarts	0.17 quarts	0.17 quarts	0.17 quarts	2.75 US quarts
Ground Clearance (mm)	99 mm	100 mm	100 mm	100 mm	100 mm	140 mm
Ground Clearance (in.)	3.9 inches	3.9 inches	3.9 inches	3.9 inches	3.9 inches	5.5 inches
Displacement (ci)	53.90 cubic inches	-	-	-	-	53.88 cubic inches

Key Specifications

Engine

V2, four-stroke

Power

Not recorded

Torque

68.00 Nm (6.9 kgf-m or 50.2 ft.lbs) @ 4750 Revolutions

Top Speed

Not recorded

Weight

256.0 kg / 564.4 lbs

Fuel Capacity

12.50 litres / 3.30 gallons

Full 2018 Harley-Davidson Sportster Iron 883 Specifications

Colours Black Denim, Industrial Gray Denim, Wicked Red, Bonneville Salt Denim, Hard Candy Chameleon Flake

Ground Clearance (in.) 3.9 inches

Ground Clearance (mm) 100 mm

Seat Height 653 mm / 25.7 in.

Wheelbase 1,515 mm / 59.6 in.

Length 2,179 mm / 85.8 in.

Oil Capacity (l) 2.60 litres

Oil Capacity (Quarts) 0.17 quarts

Dry Weight 247 kg / 544.5 lbs

Fuel Capacity 12.50 litres / 3.30 gallons

Wet Weight 256.0 kg / 564.4 lbs

Max Torque 68.00 Nm (6.9 kgf-m or 50.2 ft.lbs) @ 4750 Revolutions

Power-to-Weight Ratio 0.2065 HP/kg

Bore x Stroke (in,) 3.0 x 3.8 inches

Bore x Stroke (mm) 76.2 x 96.8 mm

CO2 111.4 CO2 g/km. (CO2 - Carbon dioxide emission)

Engine Type V2, four-stroke

Engine Detail Air-cooled, Evolution®

Fuel System Injection. Electronic Sequential Port Fuel Injection (ESPFI)

Compression Ratio 9.0:1

Engine Lubrication Dry sump

Exhaust Black exhaust headers and black mufflers

Fuel Consumption 4.80 litres/100 km (20.8 km/l or 49.00 mpg)

Starter Electric

Clutch Multi-plate with diaphragm spring in oil bath

Final Drive Belt

Gearbox 6-speed

Suspension - Front Telescopic fork

Suspension - Rear Twin shocks.

Rake 26.0°

Trail 117 mm / 4.6 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 Diameter (in.) 11.8 inches

Brakes - Front Diameter (mm) 300 mm

Brakes - Rear Diameter (in.) 11.8 inches

Brakes - Rear Diameter (mm) 300 mm

Brakes - Front Single disc. Optional ABS, dual piston

Brakes - Rear Single disc. Optional ABS, dual piston

Rims Black 9 Spoke with Machined Highlights

Tyres - Front 100/90-B19

Tyres - Rear 150/80-B16

Specifications are compiled from manufacturer documentation and cross-referenced technical sources, and corrected on an ongoing basis. Spot an error? Let us know.