2021 BMW R 1250GS Adventure Specifications

Name: 2021 BMW R 1250GS Adventure
Brand: BMW

Enduro / Off-Road • Specs last verified 13 July 2026

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2021 BMW R 1250GS Adventure Overview

For 2021, BMW offers the R 1250GS Adventure as an enduro / off-road motorcycle with 1254 cc on tap. The 2021 BMW R 1250GS Adventure is built around a Two cylinder boxer, four-stroke engine running Double Overhead Cams/Twin Cam (DOHC) valve actuation, a compression ratio of 12.5:1. Out on the road, the R 1250GS Adventure delivers 136 hp @ 7750 rpm of peak power and 143 Nm @ 6250 rpm of torque. Flat out, it's quoted at 200 km/h. In everyday use, the 2021 R 1250GS Adventure tips the scales at 268 kg, carries a 30-litre fuel tank, offers a seat height of 890 mm to 910 mm and spans a 1504 mm wheelbase. That's roughly 69.2 kg heavier than the average enduro / off-road motorcycle in our database. Every technical detail, from suspension travel to tyre sizes, is covered in the full 2021 BMW R 1250GS Adventure spec sheet below.

2021 R 1250GS Adventure - Pros & Cons

Strengths

Strong power output: Peak output on the R 1250GS Adventure is 136 hp @ 7750 rpm and 143 Nm @ 6250 rpm of torque - strong numbers for what it is.
Fuel injection: No choke, no jetting, no altitude compensation to think about - fuel injection just works across a wider range of conditions than carburetion.
Large fuel range: With a 30-litre tank, this isn't a bike you'll be stopping for fuel every hour - a real asset on longer trips.
Low-maintenance final drive: Shaft final drive is about as close to maintenance-free as motorcycle drivetrains get.

Considerations

Tall seat height: A 890 mm to 910 mm seat puts flat-footing out of reach for a lot of riders - sit on it in person before committing.

Wear Points & Servicing Notes

Heat management in traffic

Air cooling on the R 1250GS Adventure 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 R 1250GS Adventure comes from Electronic intake pipe injection. Cold starts and throttle response stay consistent across altitude and temperature, the main practical edge over a carbureted equivalent.

Valve clearance checks

Valve clearances on Double Overhead Cams/Twin Cam (DOHC)-equipped engines like the R 1250GS Adventure's drift slowly with mileage rather than failing suddenly - sticking to the service interval keeps it a non-issue.

Brake disc and pad wear

2x 305mm floating discs, 4-piston radial brake calipers 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 BMW Motorrad 37mm Telelever, central spring strut up front and Cast aluminium single-sided swing arm with BMW Motorrad Paralever, WAD spring strut, continuously adjustable spring preload by means of hand wheel, rebound-stage damping adjustable by hand wheel 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

Shaft final drive on the R 1250GS Adventure removes chain and belt maintenance entirely - the trade-off is a little extra unsprung weight and periodic gear-oil changes.

Frame & chassis check

The Two-section frame concept consisting of main frame with bolt-on rear frame, load-bearing engine 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 R 1250GS Adventure's 268 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.

R 1250GS Adventure - Buying & Maintenance Guide

What to check before buying

A pre-purchase check on the 2021 BMW R 1250GS Adventure 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 R 1250GS Adventure settles to a smooth idle within seconds.

Oil and filter changes

Oil changes are the cheapest insurance you can buy for a R 1250GS Adventure's engine - keep to the manufacturer's interval rather than stretching it. The sump holds 4 litres, so budget for that volume of quality motorcycle-specific engine oil. Use the viscosity grade the manual specifies, not whatever's on sale.

Fuel system care

Injector systems like the R 1250GS Adventure's hold up well with basic care - decent fuel, an occasional cleaner additive, and draining old fuel before any layup longer than three months.

Valve clearance service

There's no reliable seat-of-the-pants way to tell if a R 1250GS Adventure's valve clearances are in spec - a light top-end tick is the only real warning sign, and by then some wear has already happened. Service records are the only proof.

2021 BMW R 1250GS Adventure - Frequently Asked Questions

What engine does the 2021 BMW R 1250GS Adventure have?

The 2021 BMW R 1250GS Adventure uses a Two cylinder boxer, four-stroke engine with 1254 cc of displacement. It is liquid / air cooled.

What is the top speed of the 2021 BMW R 1250GS Adventure?

The 2021 BMW R 1250GS Adventure has a factory-quoted top speed of 200 km/h. Real-world speeds vary depending on rider weight, conditions and state of tune.

How much does the 2021 BMW R 1250GS Adventure weigh?

The 2021 BMW R 1250GS Adventure weighs 268 kg. This is the manufacturer's wet figure.

How much power does the 2021 BMW R 1250GS Adventure make?

The 2021 BMW R 1250GS Adventure produces 136 hp @ 7750 rpm of power and 143 Nm @ 6250 rpm of torque. These are peak figures.

What is the fuel tank capacity of the 2021 BMW R 1250GS Adventure?

The 2021 BMW R 1250GS Adventure has a 30-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 500-600 km between stops.

Is the 2021 BMW R 1250GS Adventure suitable for shorter riders?

The 2021 BMW R 1250GS Adventure has a seat height of 890 mm to 910 mm. This is towards the tall end of the spectrum and will require most riders under 175 cm to tiptoe at stops.

What brakes does the 2021 BMW R 1250GS Adventure have?

The 2021 BMW R 1250GS Adventure uses 2x 305mm floating discs, 4-piston radial brake calipers at the front and Single 276mm disc, 2-piston floating caliper at the rear.

What tyre sizes does the 2021 BMW R 1250GS Adventure use?

The 2021 BMW R 1250GS Adventure runs 120/70 R19 front and 170/60 R17 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.

What gearbox does the 2021 BMW R 1250GS Adventure have?

The 2021 BMW R 1250GS Adventure is fitted with a Constant mesh 6-speed gearbox with helical gearing system transmission.

How much oil does the 2021 BMW R 1250GS Adventure take?

The 2021 BMW R 1250GS Adventure takes 4 litres of engine oil at a full oil and filter change. Always verify against the dipstick or sight glass after filling.

BMW R 1250GS Adventure Spec Evolution

The BMW R 1250GS Adventure was produced across 5 model years (2019-2023). 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	2020	2021	2022	2023
Wet Weight	268 kg / 591 lbs	268 kg / 591 lbs	268 kg / 591 lbs	268.1 kg / 591.0 lbs	268.1 kg / 591.0 lbs
Engine Detail	Four stroke, two cylinder horizontally opposed Boxer, with two overhead, spur gear driven camshafts , a counterbalance shaft and variable intake camshaft control system BMW ShiftCam, 4 valves per cylinder, Intake 40mm, outlet 34 mm	Four stroke, two cylinder horizontally opposed Boxer, with two overhead, spur gear driven camshafts , a counterbalance shaft and variable intake camshaft control system BMW ShiftCam, 4 valves per cylinder, Intake 40mm, outlet 34 mm	Four stroke, two cylinder horizontally opposed Boxer, with two overhead spur gear driven camshafts , a counterbalance shaft and variable intake camshaft control system BMW ShiftCam, 4 valves per cylinder, intake 40mm, outlet 34 mm	Balance shaft and variable engine timing system	Balance shaft and variable engine timing system
Top Speed	200.0 km/h / 124.3 mph	200.0 km/h / 124.3 mph	200.0 km/h / 124.3 mph	193.1 km/h / 120.0 mph	193.1 km/h / 120.0 mph
Seat Height	890 mm to 910 mm / 35 in to 35.8 in 820 mm to 910 mm / 32 in to 35.8 in - possible	890 mm to 910 mm / 35 in to 35.8 in 820 mm to 910 mm / 32 in to 35.8 in - possible	890 mm to 910 mm / 35 in to 35.8 in 820 mm to 910 mm / 32 in to 35.8 in - possible	890 mm / 35.0 in.	890 mm / 35.0 in.
Fuel Capacity	30 Litres / 7.9 US gal	30 Litres / 7.9 US gal	30 Litres / 7.9 US gal	29.90 litres / 7.90 US gallons	29.90 litres / 7.90 US gallons
CO2	109.0 CO2 g/km. (CO2 - Carbon dioxide emission)	110.2 CO2 g/km. (CO2 - Carbon dioxide emission)	110.2 CO2 g/km. (CO2 - Carbon dioxide emission)	110.2 CO2 g/km. (CO2 - Carbon dioxide emission)	110.2 CO2 g/km. (CO2 - Carbon dioxide emission)
Comments	Windscreen.	-	Dynamic Traction Control	3 Ride Modes (ECO, Rain and Road). Traction Control.	3 Ride Modes (ECO, Rain and Road). Traction Control. Hill Start Control.
Frame Type	Two-section frame concept consisting of main frame with bolt-on rear frame, load-bearing engine	Two-section frame concept consisting of main frame with bolt-on rear frame, load-bearing engine	Two-section frame concept consisting of main frame with bolt-on rear frame, load-bearing engine	Two-section frame, front- and bolted on rear frame, load-bearing engine	Two-section frame, front- and bolted on rear frame, load-bearing engine

Key Specifications

Engine

Two cylinder boxer, four-stroke

Power

136 hp / 100 kW @ 7750 rpm

Torque

143 Nm / 105.4 lb-ft @ 6250 rpm

Top Speed

200.0 km/h / 124.3 mph

Weight

268 kg / 591 lbs

Fuel Capacity

30 Litres / 7.9 US gal

Full 2021 BMW R 1250GS Adventure Specifications

Comments Dynamic Traction Control

Year 2021

Colours White/Red/Blue, White/Red/Black, Black/Grey, Grey/Yellow

Make Model BMW R 1250GS Adventure

Seat Heigth -Alternate (mm) 910 mm

Seat Heigth -Alternate (in.) 35.8 inches

Seat Height 890 mm to 910 mm / 35 in to 35.8 in 820 mm to 910 mm / 32 in to 35.8 in - possible

Wheelbase 1504 mm / 59.2 in

Height 1460 mm / 57.5 in

Length 2270 mm / 89.4 in

Width 980 mm / 38.6 in

Oil Capacity (Quarts) 4.23 US quarts

Oil Capacity (l) 4.00 litres

Fuel Capacity 30 Litres / 7.9 US gal

Coolant Capacity 2.00 litres (0.53 US gallons)

Wet Weight 268 kg / 591 lbs

Top Speed 200.0 km/h / 124.3 mph

Max Power 136 hp / 100 kW @ 7750 rpm

Max Torque 143 Nm / 105.4 lb-ft @ 6250 rpm

Fuel Control Double Overhead Cams/Twin Cam (DOHC)

Engine Type Two cylinder boxer, four-stroke

CO2 110.2 CO2 g/km. (CO2 - Carbon dioxide emission)

Displacement 1254 cc / 76.5 cu-in

Engine Detail Four stroke, two cylinder horizontally opposed Boxer, with two overhead spur gear driven camshafts , a counterbalance shaft and variable intake camshaft control system BMW ShiftCam, 4 valves per cylinder, intake 40mm, outlet 34 mm

Fuel System Injection. Electronic intake pipe injection

Bore x Stroke 102.5 x 76 mm

Compression Ratio 12.5:1

Cooling System Liquid / Air cooled

Emissions Regulated three-way catalytic converter, compliant with EU5 emission standard

Engine Lubrication Dry sump

Engine Management BMS-O

Fuel Consumption 4.75 litres/100 km (21.1 km/l or 49.52 mpg)

Fuel Induction Electronic intake pipe injection, 52mm Ø throttle valve

Fuel Reserve 4.00 litres / 1.06 US gallons

Fuel Type Premium unleaded, 95 (RON)

Idle Speed 1050 +/- 100 RPM

Oil Filtration K & N KN-160

Starter Electric 900W

Valve System 4

Battery Capacity 12 V / 11.8 Ah, maintenance-free

Clutch Wet clutch with anti-hopping function, hydraulically activated

Final Drive Shaft

Gear Ratios 1st 2.438 2nd 1.714 3rd 1.296 4th 1.059 5th 0.943 6th 0.848

Gearbox 6-speed

Primary Drive Constant mesh

Primary Drive Ratios 1.650

Secondary Drive Ratio 2.910

Transmission / Drive Constant mesh 6-speed gearbox with helical gearing system

Fork Tube Size (mm) 37 mm

Fork Tube Size (in.) 1.5 inches

Frame Type Two-section frame concept consisting of main frame with bolt-on rear frame, load-bearing engine

Suspension - Front BMW Motorrad 37mm Telelever, central spring strut

Suspension - Rear Cast aluminium single-sided swing arm with BMW Motorrad Paralever, WAD spring strut, continuously adjustable spring preload by means of hand wheel, rebound-stage damping adjustable by hand wheel (Option: Dynamic ESA)

Rake 25.5°

Steering Angle 65.1°

Trail 95.4 mm / 3.8 in

Wheel Travel - Front 210 mm / 8.3 in

Wheel Travel - Rear 220 mm / 8.7 in

Instrumentation TFT colour display

Lighting system LED headlight

Brakes - Front 2x 305mm floating discs, 4-piston radial brake calipers

Brakes - Rear Single 276mm disc, 2-piston floating caliper

ABS BMW Motorrad Integral ABS as standard (part integral), disengageable (option: ABS Pro)

Brake Fluid Type DOT 4

Tyre Pressure - Front 36 PSI (2.5 Bar or 250 kPa)

Tyre Pressure - Rear 42 PSI (2.9 Bar or 290 kPa)

Tyres - Front 120/70 R19

Tyres - Rear 170/60 R17

Wheels Cross spoke

Wheels - Front 3.00 x 19 in

Wheels - Rear 4.50 x 17 in

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