2012Suzuki GrassTracker BigBoy

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The 2012 Suzuki Grasstracker Bigboy is a versatile 249cc commuter motorcycle ideal for beginner and experienced riders alike. Its lightweight single-cylinder four-stroke engine delivers modest but reliable power suitable for urban riding and casual weekend trips. Known for its fuel efficiency, ease of handling, and practical design, this bike excels as an affordable, dependable all-rounder.

Capacity: 249.0 ccm
Engine: Single, four-stroke
Gearbox: 5-speed
Dry weight: 139.0 kg
Seat height: 790 mm
Power: 18.8 HP (13.8 kW) @ 7500 RPM

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Other years 2002 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail60%

Cornering55%

City riding70%

Daily riding60%

Touring30%

Two-up25%

Track15%

Best for: It's built as a light, flat-track styled all-rounder for cruising around town and occasional light dirt-road or trail exploring rather than for speed or long-distance touring.
Built for: It has a laid-back, retro flat-tracker personality with modest single-cylinder power delivered smoothly, favoring easy manageability over aggression.
Not ideal for: This bike is not for riders seeking highway speed, long-haul touring comfort, or serious off-road capability.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

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Your height

Inseam (optional)

Units

At 790mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2012 Suzuki GrassTracker BigBoy, with a relaxed knee angle of around 120 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 751-820 mm — Middle Ground →

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Full specifications

Engine

Capacity: 249.0 ccm
Power: 18.8 HP (13.8 kW) @ 7500 RPM
Torque: 21.0 Nm (2.1 kgf-m) @ 5500 RPM
Engine type: Single, four-stroke
Power/weight ratio: 0.1353 HP/kg (dry)
Bore x stroke: 72.0 x 61.2 mm
Compression: 9.2:1
Cooling system: Air
Fuel system: Injection
Starting: Electric
Ignition: Transistorzed
Valves per cylinder: 2
Lubrication system: Wet sump

Transmission

Gearbox: 5-speed
Transmission type: Manual
Final drive: Chain
Clutch: Wet multi-plate coil spring

Dimensions & weight

Wheelbase: 1402 mm
Overall length: 2200 mm
Overall width: 910 mm
Overall height: 1138 mm
Seat height: 790 mm
Dry weight: 139.0 kg
Wet weight: 148.0 kg
Fuel capacity: 8.40 litres
Ground clearance: 200 mm
Oil capacity: 1.70 litres

Chassis & suspension

Frame: Diamaond
Rake (fork angle): 25.0°
Trail: 92 mm

Brakes & wheels

Front brakes: Single disc
Rear brakes: Expanding brake (drum brake)
Front tyre: 100/90-19
Rear tyre: 130/80-18

Other

Color options: Yellow, blue, black

Specs last verified against published sources: October 2026.

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted

Specification	2002	2007	2010	2012	2013	2016
Capacity	249 cc	249 cc	249 cc	249 cc	249 cc	249 cc
Dry weight	127 kg	125 kg	—	139 kg	138 kg	136 kg
Seat height	785 mm	785 mm	788 mm	790 mm	—	750 mm
Fuel capacity	6 L	6 L	6 L	8.4 L	6 L	8.4 L