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2021 Harley-Davidson Sportster Iron 1200 Overview
For 2021, Harley-Davidson offers the Sportster Iron 1200 as a custom / cruiser motorcycle with 1202 cc on tap. The 2021 Harley-Davidson Sportster Iron 1200 is built around a Four stroke, 45° V-Twin, OHV, 2 valves per cylinder engine, a compression ratio of 10.0:1. Out on the road, the Sportster Iron 1200 delivers 99 Nm @ 3500 rpm of torque. In everyday use, the 2021 Sportster Iron 1200 tips the scales at 256 kg, carries a 12-litre fuel tank, offers a seat height of 735 mm and spans a 1515 mm wheelbase. That's roughly 45.2 kg lighter than the average custom / cruiser motorcycle in our database. Every technical detail, from suspension travel to tyre sizes, is covered in the full 2021 Harley-Davidson Sportster Iron 1200 spec sheet below.
2021 Sportster Iron 1200 - Pros & Cons
Strengths
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🔧
Fuel injection: No choke, no jetting, no altitude compensation to think about - fuel injection just works across a wider range of conditions than carburetion.
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📏
Accessible seat height: At just 735 mm, flat-footing at a stop is easy for most riders - a genuine confidence builder for less experienced owners.
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⚙️
Low-maintenance final drive: Belt final drive is about as close to maintenance-free as motorcycle drivetrains get.
Considerations
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⛽
Modest fuel capacity: A 12-litre tank keeps things light but means budgeting for more frequent fuel stops on any longer ride.
Wear Points & Servicing Notes
Heat management in traffic
Air cooling on the Sportster Iron 1200 keeps the mechanical layout simple, but heat management in slow traffic needs more attention than on a liquid-cooled bike - plan routes and gear accordingly in warmer conditions.
Fuelling & injector care
Fuelling on the Sportster Iron 1200 comes from Electronic Sequential Port Fuel Injection (ESPFI). Cold starts and throttle response stay consistent across altitude and temperature, the main practical edge over a carbureted equivalent.
Brake disc and pad wear
Single 292 mm disc, 2 piston caliper up front provides the primary stopping power; inspect disc thickness and pad wear at each tyre change to catch scoring before it becomes a rotor replacement.
Suspension condition on used examples
Suspension duties are handled by 39 mm Forks up front and Coil-over, dual-adjustable preload at the rear. Weeping fork seals aren't a dealbreaker on a used bike, but they're a fair basis for negotiating price.
Final drive maintenance
Belt final drive keeps day-to-day maintenance minimal on the Sportster Iron 1200 - just periodic tension and wear checks rather than the regular cleaning a chain demands.
Frame & chassis check
The Mild steel, tubular frame; circular sections; cast junctions Swingarm Mild steel, rectangular tube section, stamped junctions; MIG welded chassis holds up well with normal use; on a used bike it's still worth checking the head-stock and swingarm pivot area for impact damage or corrosion.
Handling the weight at a standstill
The Sportster Iron 1200's 256 kg kerb weight is worth factoring into how you handle it at a standstill - parking-lot manoeuvres need a bit more deliberate technique than on a lighter machine.
Sportster Iron 1200 - Buying & Maintenance Guide
What to check before buying
A pre-purchase check on the 2021 Harley-Davidson Sportster Iron 1200 should cover the same ground every time: service history, chain and sprocket condition, and any oil seepage around the casings. Start it from cold if you can - a well-kept Sportster Iron 1200 settles to a smooth idle within seconds.
Oil and filter changes
Oil changes are the cheapest insurance you can buy for a Sportster Iron 1200's engine - keep to the manufacturer's interval rather than stretching it. Use the viscosity grade the manual specifies, not whatever's on sale.
Fuel system care
Injector systems like the Sportster Iron 1200's hold up well with basic care - decent fuel, an occasional cleaner additive, and draining old fuel before any layup longer than three months.
2021 Harley-Davidson Sportster Iron 1200 - Frequently Asked Questions
What engine does the 2021 Harley-Davidson Sportster Iron 1200 have?
The 2021 Harley-Davidson Sportster Iron 1200 uses a Four stroke, 45° V-Twin, OHV, 2 valves per cylinder engine with 1202 cc of displacement. It is air cooled.
How much does the 2021 Harley-Davidson Sportster Iron 1200 weigh?
The 2021 Harley-Davidson Sportster Iron 1200 weighs 256 kg. This is the manufacturer's wet figure.
How much power does the 2021 Harley-Davidson Sportster Iron 1200 make?
The 2021 Harley-Davidson Sportster Iron 1200 produces 99 Nm @ 3500 rpm of torque.
What is the fuel tank capacity of the 2021 Harley-Davidson Sportster Iron 1200?
The 2021 Harley-Davidson Sportster Iron 1200 has a 12-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 200-240 km between stops.
Is the 2021 Harley-Davidson Sportster Iron 1200 suitable for shorter riders?
The 2021 Harley-Davidson Sportster Iron 1200 has a seat height of 735 mm. This is a comfortable, accessible height for most riders.
What brakes does the 2021 Harley-Davidson Sportster Iron 1200 have?
The 2021 Harley-Davidson Sportster Iron 1200 uses Single 292 mm disc, 2 piston caliper at the front and Single 292mm disc, 1 piston caliper at the rear.
What tyre sizes does the 2021 Harley-Davidson Sportster Iron 1200 use?
The 2021 Harley-Davidson Sportster Iron 1200 runs 100/90B19 57H front and 150/80B16 77H rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
What gearbox does the 2021 Harley-Davidson Sportster Iron 1200 have?
The 2021 Harley-Davidson Sportster Iron 1200 is fitted with a 5 Speed transmission.
Harley-Davidson Sportster Iron 1200 Spec Evolution
The Harley-Davidson Sportster Iron 1200 was produced across 2 model years (2019-2021). 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 |
2019 |
2021 |
| Engine Detail |
Four stroke, 45° V-Twin, OHV, 2 valves per cylinder. |
Four stroke, 45° V-Twin, OHV, 2 valves per cylinder |
Key Specifications
Engine
Four stroke, 45° V-Twin, OHV, 2 valves per cylinder
Power
Not published by manufacturer
Torque
99 Nm / 73 lb-ft @ 3500 rpm
Top Speed
Not published by manufacturer
Fuel Capacity
12 Litres / 3.3 US gal
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Full 2021 Harley-Davidson Sportster Iron 1200 Specifications
Year
2020 - 21
Make Model
Harley Davidson Sportster Iron 1200
Seat Height
735 mm / 28.9 in
Wheelbase
1515 mm / 59.6 in
Ground Clearance
140 mm / 5.5 in
Length
2200 mm / 86.6 in
Dry Weight
248 kg / 547 lb.
Fuel Capacity
12 Litres / 3.3 US gal
Oil Capacity
2.6 Litres / 2.7 US qrts
Wet Weight
256 kg / 564 lbs
Displacement
1202 cc / 73.4 cub in.
Engine Detail
Four stroke, 45° V-Twin, OHV, 2 valves per cylinder
Bore x Stroke
88.9 x 96.8 mm
Compression Ratio
10.0:1
Cooling System
Air cooled
Exhaust
Black, staggered exhaust and headers with black slash-cut mufflers
Fuel Induction
Electronic Sequential Port Fuel Injection (ESPFI)
Ignition
Digital CDI
Starter
Electric
Final Drive
Belt
Gear Ratios
1ST 9.315 2ND 6.653 3RD 4.948 4TH 4.102 5TH 3.517
Primary Drive
Chain, 38/57 ratio
Transmission / Drive
5 Speed
Frame Type
Mild steel, tubular frame; circular sections; cast junctions Swingarm Mild steel, rectangular tube section, stamped junctions; MIG welded
Suspension - Front
39 mm Forks
Suspension - Rear
Coil-over, dual-adjustable preload
Lean Angle
28°
Rake
30°
Trail
117 mm / 4.6 in
Brakes - Front
Single 292 mm disc, 2 piston caliper
Brakes - Rear
Single 292mm disc, 1 piston caliper
Tyres - Front
100/90B19 57H
Tyres - Rear
150/80B16 77H
Wheels - Front
Black, 9-spoke
Wheels - Rear
Black, 9-spoke
Specifications are compiled from manufacturer documentation and cross-referenced
technical sources, and corrected on an ongoing basis.
Spot an error? Let us know.
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