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2012 BMW G 650GS Sertao Overview
BMW G 650GS Sertao is an enduro / off-road motorcycle, displacing 652 cc. Power comes from a Single cylinder, four-stroke engine running DOHC valve actuation, a compression ratio of 11.5:1. On the performance side, it delivers 37 kW @ 6500 rpm of peak power and 60 Nm @ 5000 rpm of torque. Top speed is factory-quoted at 169 km/h. On the road, the 2012 G 650GS Sertao tips the scales at 191 kg, carries a 14-litre fuel tank, offers a seat height of 860 mm to 900 mm and spans a 1484 mm wheelbase. That's roughly 19.7 kg heavier than the average enduro / off-road motorcycle in our database. The full 2012 BMW G 650GS Sertao spec sheet below covers every technical detail, from suspension travel to tyre sizes.
2012 BMW G 650GS Sertao compared with other bikes in the Enduro / Off-Road category
We checked the recorded figures for the 2012 BMW G 650GS Sertao against up to 1434 bikes in the Enduro / Off-Road category in our database, counting each model once at the model year nearest to this one.
- Only 361 of the other 1433 bikes in the Enduro / Off-Road category have a larger engine displacement than the 652 cc of the G 650GS Sertao.
- With 169 km/h, the G 650GS Sertao has the 144th highest top speed of 450 bikes in the Enduro / Off-Road category, 14% above the category average of 148 km/h.
- Narrowing the field to the 499 models within five model years of it, the engine displacement of 652 cc is larger than that of 336 of the other 498.
2012 G 650GS Sertao - Pros & Cons
Strengths
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Strong power output: With 37 kW @ 6500 rpm and 60 Nm @ 5000 rpm of torque on tap, the G 650GS Sertao is no slouch for its class.
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Strong front braking: Stopping power up front is strong thanks to the disc setup, with plenty of room to upgrade further with braided lines.
Considerations
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Tall seat height: At 860 mm to 900 mm, shorter riders will likely be on tiptoes at a standstill - worth sitting on one before you buy.
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Chain final drive upkeep: Budget time for routine chain maintenance - it's cheap to replace but needs consistent attention to avoid premature sprocket wear.
Wear Points & Servicing Notes
Cooling system servicing
G 650GS Sertao's Liquid cooled setup is low-maintenance provided the coolant interval is kept - old, acidic coolant is the main cause of long-term corrosion in the water passages.
Valve clearance checks
With DOHC valve gear, the G 650GS Sertao needs periodic clearance checks; caught early they're a cheap adjustment, left unchecked they accelerate valve seat wear.
Brake disc and pad wear
Braking up front comes from single 300mm disc, 2 piston caliper - solid stopping power, with disc and pad wear best checked on the same schedule as tyre changes.
Suspension condition on used examples
The G 650GS Sertao's suspension runs 41mm telescopic fork with stabilizer bridge at the front. The rear uses Spring setting and rebound stage damping continuously adjustable,. Fork-seal condition and rear linkage play are the two things worth checking before buying used.
Final drive maintenance
The G 650GS Sertao uses chain final drive, which is cheap to replace but needs regular cleaning, lubrication and tension checks to get a full service life out of the sprockets.
Frame & chassis check
Built around a Bridge-type steel section frame with bolted-on rear section, the G 650GS Sertao's chassis is straightforward to inspect: look for corrosion, cracks or repair welds around stress points like the head-stock and swingarm mounts.
G 650GS Sertao - Buying & Maintenance Guide
What to check before buying
Before handing over money for a used 2012 BMW G 650GS Sertao with its 652 cc enduro / off-road, cover the fundamentals: service book and oil change history, drivetrain wear, and any sign of oil weeping around the casings. This model runs chain final drive, so check chain slack and sprocket tooth profile specifically - a worn sprocket is a cheaper fix now than after it's chewed up the next chain. Now 14 years old, this enduro / off-road 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 G 650GS Sertao should catch quickly and settle into a smooth idle.
Oil and filter changes
Nothing protects the G 650GS Sertao's 652 cc single cylinder, four-stroke like disciplined oil changes - stay on the manufacturer's schedule (roughly every 6,000 km or annually). With an 11.5:1 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.
Carburetor upkeep
Deposits in the carbs are the usual culprit behind poor running on a stored G 650GS Sertao - strip and clean the float bowls before the first start. Pilot jets clog first and get overlooked most, so make a point of checking them.
Valve clearance service
Valve clearances are easy to overlook on a used G 650GS Sertao since a bike out of spec doesn't always feel obviously wrong - but the wear it causes is real. Ask the seller for documentation before assuming it's been done.
2012 BMW G 650GS Sertao - Frequently Asked Questions
What engine does the 2012 BMW G 650GS Sertao have?
The 2012 BMW G 650GS Sertao uses a Single cylinder, four-stroke engine with 652 cc of displacement. It is liquid cooled.
What is the top speed of the 2012 BMW G 650GS Sertao?
The 2012 BMW G 650GS Sertao has a factory-quoted top speed of 169 km/h. Real-world speeds vary depending on rider weight, conditions and state of tune.
How much does the 2012 BMW G 650GS Sertao weigh?
The 2012 BMW G 650GS Sertao weighs 191 kg. This is the manufacturer's wet figure.
How much power does the 2012 BMW G 650GS Sertao make?
The 2012 BMW G 650GS Sertao produces 37 kW @ 6500 rpm of power and 60 Nm @ 5000 rpm of torque. These are peak figures.
What is the fuel tank capacity of the 2012 BMW G 650GS Sertao?
The 2012 BMW G 650GS Sertao has a 14-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 233-280 km between stops.
Is the 2012 BMW G 650GS Sertao suitable for shorter riders?
The 2012 BMW G 650GS Sertao has a seat height of 860 mm to 900 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 2012 BMW G 650GS Sertao have?
The 2012 BMW G 650GS Sertao uses single 300mm disc, 2 piston caliper at the front and single 240mm disc, 1 piston caliper at the rear.
What tyre sizes does the 2012 BMW G 650GS Sertao use?
The 2012 BMW G 650GS Sertao runs 90/90 S21 front and 130/80-17 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
What gearbox does the 2012 BMW G 650GS Sertao have?
The 2012 BMW G 650GS Sertao is fitted with a 5 Speed transmission.
BMW G 650GS Sertao Spec Evolution
The BMW G 650GS Sertao was produced across 3 model years (2013-2016). 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 |
2013 |
2015 |
2016 |
| Wet Weight |
191 kg / 421 lbs |
191 kg / 421 lbs |
191 kg / 421 lbs |
| Dry Weight |
176.9 kg / 390.0 lbs |
177 kg / 390 lbs |
177 kg / 390 lbs |
| Engine Detail |
Ducati 90 degree L-Twin |
Four stroke, single cylinder, DOHC, 4 valves per cylinder |
Four stroke, single cylinder, DOHC, 4 valves per cylinder |
| Seat Height |
861 mm / 33.9 in. |
860 mm to 900 mm / 33.9 in. to 35.4 in. |
860 mm to 900 mm / 33.9 in. to 35.4 in. |
| Fuel Capacity |
14.00 litres / 3.70 gallons |
14 Litres / 3.7 US gal |
14 Litres / 3.7 US gal |
| CO2 |
74.2 CO |
73.8 CO2 g/km. (CO2 - Carbon dioxide emission) |
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| Fuel Control |
DOHC |
Double Overhead Cams/Twin Cam (DOHC) |
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| Brakes - Front |
Single 300mm disc, 2 piston caliper |
Single 300mm disc, 2 piston caliper |
Single 300mm disc, 2 piston caliper |
Key Specifications
Engine
Single cylinder, four-stroke
Power
37 kW / 50 hp @ 6500 rpm
Torque
60 Nm / 6.1 kgf-m / 44.25 lb-ft. @ 5000 rpm
Top Speed
169.0 km/h / 105.0 mph
Fuel Capacity
14 Litres / 3.7 US gal
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Full 2012 BMW G 650GS Sertao Specifications
Year
2012 - 13
Make
BMW
Model
G 650GS Sertao
Colours
Red, white
Make Model
BMW G 650GS Sertao
Seat Height
860 mm to 900 mm / 33.9 in. to 35.4 in.
Wheelbase
1484 mm / 58.4 in.
Height
1440 mm / 56.7 in.(excl. mirrors)
Length
2185 mm / 86 in.
Width
920 mm / 36.2 in. (incl. mirrors)
Dry Weight
177 kg / 390 lbs
Fuel Capacity
14 Litres / 3.7 US gal
Wet Weight
191 kg / 421 lbs
CO2
74.2 CO
Engine Type
Single cylinder, four-stroke
Fuel Control
DOHC
Stroke
83.0 mm
Displacement
652 cc / 39.8 cub. in.
Engine Detail
Four stroke, single cylinder, DOHC, 4 valves per cylinder
Fuel System
Injection. Electronic intake pipe injection/BMW engine management, twin spark ignition
Bore x Stroke
100 x 83mm
Compression Ratio
11.5:1
Cooling System
Liquid cooled
Emissions
Closed-loop 3-way catalytic converter, emission standard EU-3
Engine Lubrication
Dry sump
Fuel Consumption
3.20 litres/100 km (31.3 km/l or 73.51 mpg)
Fuel Induction
Fuel induction
Fuel Reserve
4.00 litres / 1.06 gallons
Ignition
Capacitor Discharge Ignition system
Starter
Electric
Valve System
4
Clutch
Multiple-disc clutch in oil bath, mechanically operated
Final Drive
Chain
Gearbox
5-speed
Primary Drive
Endless O-ring chain with shock damping in rear wheel hub
Transmission / Drive
5 Speed
Frame Type
Bridge-type steel section frame with bolted-on rear section
Suspension - Front
41mm telescopic fork with stabilizer bridge
Suspension - Rear
Spring setting and rebound stage damping continuously adjustable,
Rake
28.1°
Steering Head Angle
61.9°
Trail
123 mm / 4.8 in
Wheel Travel - Front
210 mm / 8.3 in
Wheel Travel - Rear
210 mm / 8.3 in
Tachometer
Standard (Digital)
Alternator
Three-phase alternator 400W
Lighting system
12V 55W headlight
Brakes - Front Diameter (in.)
11.8 inches
Brakes - Front Diameter (mm)
300 mm
Brakes - Rear Diameter (in.)
9.4 inches
Brakes - Rear Diameter (mm)
240 mm
Brakes - Front
Single 300mm disc, 2 piston caliper
Brakes - Rear
Single 240mm disc, 1 piston caliper
ABS
BMW Motorrad ABS (can be switched off)
Rims
Wire spoke wheels
Rims - Front
1.60 x 21"
Tyres - Front
90/90 S21
Tyres - Rear
130/80-17
Wheels
Wire spoke wheels
Wheels - Rear
3.00 x 17"
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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