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BMW R 1200 GS Adventure (K51) — Adventure
BMW Press

2014–2018 · Adventure · Buyer's Guide

R 1200 GS Adventure (K51)

4.5 / 5 NastyNils Rating · against its class

The Long-Range Boxer Expedition Rig

The Machine's Character

The K51 R 1200 GS Adventure is the long-range, expedition-spec member of BMW's GS family. At its core sits the 1170 cc air/liquid-cooled boxer twin, rated at 125 hp at 7,750 rpm and 92 lb-ft at 6,500 rpm, with a 6-speed gearbox and shaft drive. The chassis pairs a steel trellis frame with BMW's Telelever front end and BMW Paralever at the rear. It runs a 19-inch front wheel, with 8.3 in (210 mm) of travel up front and 8.7 in (220 mm) out back. Then there's the number that defines it: a 7.9 gal (30 L) tank. Range is the point!

This hardware is built for big distances on mixed surfaces, often fully loaded and far from the next gas station. The standard kit reads like a traveler's checklist: ABS, traction control and Ride Modes, a manually adjustable rear shock, a steering damper, an adjustable windscreen, adjustable seat height and a center stand. Dynamic ESA and Ride Modes Pro sit on the options list. At 573 lb (260 kg) wet with a 35.0 in (890 mm) seat, it points to an experienced rider who measures trips in states, not hours. It's a long-haul tool.

Hard Numbers

Spec sheets don't ride bikes, but they set the baseline.

Show full specs & equipment Hide specs & equipment
Key specifications
Power 125 hp (92 kW) @ 7,750 rpm
Torque 92 lb-ft (125 Nm) @ 6,500 rpm
Displacement 1170 cc
Engine Flat-twin (boxer)Motorcycles With Boxer Engines →
Cooling Air/liquid-cooled
Gearbox 6-speed
Final drive ShaftMotorcycles With Shaft Drive →
Fork Telelever
Front brake 305 mm
Front tire 120/70-19
Rear tire 170/60-17
Wheelbase 59.4 in (1510 mm)
Ground clearance 8.1 in (205 mm)
Front travel 8.3 in (210 mm)
Rear travel 8.7 in (220 mm)
Seat height 35.0 in (890 mm)
Wet weight 573 lb (260 kg)
Fuel capacity 7.9 gal (30 L)
Top speed 137 mph (220 km/h)
Fuel economy 43 mpg (US)

Equipment check

Chassis

  • Electronic Suspension BMW Dynamic ESA Realtime road adaptationAuto load leveling Optional
  • Manually Adjustable Rear Suspension Standard
  • Cruise Control Motorcycles With Cruise Control → Optional

Comfort

Connectivity

  • TFT Display Optional
  • Smartphone Connectivity Optional
  • Tire Pressure Monitoring (TPMS) Optional

Drivetrain

Lighting

  • LED Headlight Optional

Safety

  • ABS Standard
  • Cornering ABS Optional
  • Traction Control Standard
  • Ride Modes BMW Ride Modes Pro Selectable ride modesLean sensitive traction Standard

Signature Tech

The named systems that set this bike apart — and what each one does for you.

Drivetrain

  • BMW Paralever Standard
    • Acceleration stability
    • Brake dive control
    • High speed stability
    • Reduced unsprung rotating mass
Aerial drone view of Palomar Divide Road winding through chaparral-covered mountain ridges in San Diego County. Multiple S-curve sections descend through sparse vegetation with distant valley views visible in the haze. Gravel and packed-earth surface.

The Truth on the Street

What follows isn't my seat time. It's the collected read of owners I've talked with over the years, at bike meets, in service bays, and through the notes riders send me about a bike they've put years into. On this one, the accounts line up tightly.

Big Bike That Rides Small

Two subjects dominate. Character comes up first with the boxer, a low rumble and a fat middle of the rev range that turns overtaking into a wrist movement. Then the steering: owners keep telling me the bike feels smaller in a corner than it looks in a parking lot, and holds a line they trust. Below that sits steady praise for long days that don't wear riders out, weather kept off the chest, distance between fuel stops, and brakes they lean on hard without surprises on pavement or dirt. Breadth is how they close the argument. Asphalt, gravel, easy trails, one bike.

The Two Complaints That Keep Coming

The mass returns the moment the speed drops. Owners are blunt about walking pace turns, parking, and loose ground asking for technique rather than optimism. The second complaint is money. Dealer bills come up often, and riders who specified the electronic suspension mention repairs that sting once warranty cover has ended.

Known issues

  • Front fork stanchion separation (safety recall)

    suspension rare Recall

    Under extreme off-road stress the fork plug could loosen, allowing the stanchion to separate from the triple clamp, affecting handling. BMW recall 17V438000 added a fork tube bush to prevent separation.

  • Blocked rear reflector (safety recall)

    bodywork rare Recall

    Optional aluminium panniers can obscure the rear reflex reflector, failing FMVSS 108. BMW recall 17V481000 added additional reflectors to the cases.

  • Limp mode due to software glitch

    electrics occasional

    Early 2016 models could intermittently enter a power-reducing limp mode, resolved by a dealer software update.

  • Tire pressure monitoring sensor failure

    electrics occasional

    Some owners report the TPMS sensors failing prematurely, often beyond battery life, requiring sensor replacement.

The Expert Benchmark

Where this BMW R 1200 GS Adventure pulls ahead of — or falls behind — its rivals on the numbers, and the typical bike in its class on character.

What kind of bike this is — character vs. the class

This bike Class average

The shape of the BMW R 1200 GS Adventure — numbers and character vs. the average Adventure

Head-to-head: BMW R 1200 GS Adventure vs. its rivals

The Long-Haul Verdict

Forget spec-sheet bragging. Here's who the R 1200 GS Adventure is actually built for.

Aerial view of a winding asphalt road cutting through volcanic terrain on La Gomera, Canary Islands. The road curves through sparse green vegetation with rocky volcanic peaks visible in the background and a settled valley to the left. Clear lane markings, dry climate, partly cloudy sky.

Best motorcycle for Moab?

On paper you're the strongest match here: 8.1 in of ground clearance, long travel and a 7.9 gal tank for multi-day desert loops. At 573 lb wet, it's built for big routes rather than tight technical sections.

Made for Kane Creek Recreation Area · Moab · Imperial Sand Dunes Recreation Area

Best touring motorcycle for long distance?

A very strong match: a 7.9 gal tank, shaft drive, an adjustable windscreen and a center stand point straight at long national-park loops. Cruise control and heated grips are options.

Made for Beartooth Highway · Blue Ridge Parkway · Going-to-the-Sun Road

Best motorcycle for Highway 1?

A solid fit: the boxer's 92 lb-ft and the big tank suit 200-to-400-mile days of curves and scenery, though the 35.0 in seat and long travel are built for more than pavement.

Made for Black Hills · Blue Ridge Parkway · Cherohala Skyway

What's new versus the previous generation

If you're cross-shopping the older generation, here's what changed.

BMW R 1200 GS Adventure (K255)

Previous generation · 2006–2013

BMW R 1200 GS Adventure (K255)

The Globe-Trotter's Flat Twin

Compare to the previous model →

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