2018 BMW G 310GS vs 2019 Yamaha YZ250FX

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2018 BMW G 310GS 2018 BMW G 310GS

Enduro / Off-Road

Engine
Single cylinder, four-stroke
Power
25 kW / 34 hp @ at 9500
Top Speed
88.9 mph
Weight
373.7 pounds
2019 Yamaha YZ250FX 2019 Yamaha YZ250FX

Enduro / Off-Road

Engine
Titanium valves
Power
N/A
Top Speed
N/A
Weight
249.0 pounds
Full Specifications
General
Year2018-
ColoursCosmic Black, Racing Red, Pearl White Metallic MotorsportTeam Yamaha Blue
Make ModelBMW G 310GS-
Warranty-30 Day Limited Factory Warranty
Dimensions
Ground Clearance (in.)-12.8 inches
Ground Clearance (mm)-325 mm
Seat Height835 mm / 32.9 in 820 mm / 32.2 in Low Seat 850 mm / 33.5 in Comfort Seat965 mm / 38.0 in.
Wheelbase1420 mm / 55.9 in1466 mm / 57.7 in.
Height1230 mm / 48.2 in (excl. mirrors)1280 mm / 50.4 in.
Length2075 mm / 81.7 in2164 mm / 85.2 in.
Width878 mm / 34.6 in (incl. mirrors)826 mm / 32.5 in.
Weights & Capacities
Oil Capacity (Quarts)-1.59 US quarts
Oil Capacity (l)-1.50 litres
Fuel Capacity11 Litres / 2.9 US gal7.57 litres / 2.00 US gallons
Wet Weight175 kg / 385.8 lbs112.9 kg / 249.0 lbs
Performance
Top Speed143.0 km/h / 88.9 mph-
Max Power25 kW / 34 hp @ at 9500-
Max Torque28 Nm / 2.86 kgf-m / 20.7 ft-lb @ 7500 rpm-
Engine
Bore x Stroke (mm)-77.0 x 53.6 mm
Bore x Stroke (in,)-3.0 x 2.1 inches
Displacement (ci)-15.26 cubic inches
Displacement (cc)-250.0 cc
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)Double Overhead Cams/Twin Cam (DOHC)
Engine TypeSingle cylinder, four-strokeSingle cylinder, four-stroke
CO277.3 CO2 g/km. (CO2 - Carbon dioxide emission)-
Displacement313 cc / 19.1 cu-in-
Engine DetailFour stroke, rRearward-canted single-cylinder, DOHC, 4 valvesTitanium valves
Fuel SystemInjection. Electronic fuel injection, BMS-E2.Injection. Keihin® 44mm
Bore x Stroke80 x 62.1 mm-
Compression Ratio10.6:113.5:1
Cooling SystemLiquid cooled-
EmissionsEuro 4-
Engine LubricationWet sump-
ExhaustSingle, closed-loop 3-way catalytic converter-
Fuel Consumption3.33 litres/100 km (30.0 km/l or 70.64 mpg)-
Fuel InductionElectronic fuel injection, BMS-E2-
Fuel Reserve1.00 litres / 0.26 gallons-
IgnitionElectronic-
LubricationWet sump-
StarterElectricElectric
Valve System44
EV Specifics
Battery Capacity12 V / 8 Ah, Maintenance free-
Drivetrain
ClutchMultiple-discs in oil bath, mechanically operatedMultiplate wet clutch
Final DriveChainChain   (final drive)
Gearbox6-speed6-speed
Primary DriveEndless Z-ring chain, shock damping in rear wheel hubO-ring chain
Transmission / DriveSynchromesh 6-speed transmission, integrated in the motor housing-
Chassis
Frame TypeTubular steel frame with bolted rear frameBilateral beam frame
Suspension - Front41mm Upside-down forkKYB® spring-type fork with speed sensitive damping; fully adjustable
Suspension - RearSolid die-cast aluminum swingarm, directly hinged monoshock, adjustable preloadKYB® single shock; full adjustable
Rake26.7°26.3°
Steering Head Angle63.3°-
Trail98 mm / 3.86 in114 mm / 4.5 in.
Wheel Travel - Front180 mm / 7.1 in310 mm / 12.2 in.
Wheel Travel - Rear180 mm / 7.1 in318 mm / 12.5 in.
Electrical Systems
Alternator308 W-
Wheels & Brakes
Brakes - Rear Diameter (mm)240 mm-
Brakes - Rear Diameter (in.)9.4 inches-
Brakes - Front Diameter (mm)300 mm-
Brakes - Front Diameter (in.)11.8 inches-
Brakes - FrontSingle 300mm disc, 4-piston fixed caliper, radially boltedSingle disc. Hydraulic.
Brakes - RearSingle 240mm disc, single-piston floating caliperSingle disc. Hydraulic.
ABSBMW Motorrad ABS-
Rims-Dunlop® AT81F tyres
Tyres - Front110/80 - R1990/90-21
Tyres - Rear150/70 - R17-
Wheels - FrontCast aluminium, 5-spoke, 2.50 x 19-
Wheels - RearCast aluminium, 5-spoke, 4.0 x 17-

Verdict

Winner on specs

2018 BMW G 310GS

The 2018 BMW G 310GS edges out the 2019 Yamaha YZ250FX thanks to its lower seat height, liquid cooling and standard ABS. Specifications are one part of the picture - dealer support, parts availability, and intended use all matter too.

Key Differences

2018 BMW G 310GS - Advantages

  • Lower seat height: 835 mm vs 965 mm - accessible to a wider range of rider heights.
  • Liquid cooling: Consistent engine temperature in stop-start traffic and hot climates.
  • Standard ABS: A meaningful safety advantage in emergency braking on wet or loose surfaces.

2019 Yamaha YZ250FX - Advantages

  • More rear wheel travel: 318 mm vs 180 mm - absorbs bigger hits and rough terrain better.
  • More front wheel travel: 310 mm vs 180 mm - greater compliance over rough surfaces.

2018 BMW G 310GS vs 2019 Yamaha YZ250FX - FAQs

Which bike is better for shorter riders, the 2018 BMW G 310GS or the 2019 Yamaha YZ250FX?
The 2018 BMW G 310GS has the lower seat at 835 mm, making it more accessible. The 2019 Yamaha YZ250FX sits higher at 965 mm. A seat height below 800 mm suits most riders; above 820 mm shorter riders may need to tiptoe.
Does the 2018 BMW G 310GS or 2019 Yamaha YZ250FX have ABS?
The 2018 BMW G 310GS is listed with ABS as standard. The 2019 Yamaha YZ250FX does not list ABS. ABS provides a meaningful safety benefit in emergency braking on wet or loose surfaces.
Which should I buy, the 2018 BMW G 310GS or the 2019 Yamaha YZ250FX?
Both are strong choices. The 2018 BMW G 310GS has the edge in lower seat height and liquid cooling, while the 2019 Yamaha YZ250FX stands out for higher rear wheel travel and higher front wheel travel. Visit dealers, arrange test rides, and factor in local parts and service costs - these often matter as much as the spec sheet.