Naked Motorcycles

2002Suzuki Grasstracker BigBoy

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The 2002 Suzuki Grasstracker BigBoy is an accessible 249cc naked bike ideal for beginner and novice riders. Known for its lightweight, user-friendly character and low seat height, it excels as an affordable entry-level commuter. Its air-cooled single-cylinder engine delivers predictable power delivery suitable for urban riding and skill development.

Capacity: 249.0 ccm
Engine: Single, four-stroke
Gearbox: 5-speed
Dry weight: 127.0 kg
Seat height: 785 mm
Power: 20.0 HP (14.7 kW)

⇄ Compare with another bike All model years

Other years 2002 2008 2011 2012

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 785mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2002 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 →

Find bikes that fit your height →

Full specifications

Engine

Capacity: 249.0 ccm
Power: 20.0 HP (14.7 kW)
Torque: 21.0 Nm (2.1 kgf-m)
Engine type: Single, four-stroke
Power/weight ratio: 0.1575 HP/kg
Bore x stroke: 72.0 x 61.2 mm
Compression: 9.2:1
Cooling system: Air
Fuel system: Carburettor
Starting: Electric
Ignition: Full transistor system
Valves per cylinder: 4
Lubrication system: Wet sump

Transmission

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

Dimensions & weight

Wheelbase: 1405 mm
Overall length: 2135 mm
Overall width: 910 mm
Overall height: 1145 mm
Seat height: 785 mm
Dry weight: 127.0 kg
Fuel capacity: 6.00 litres
Ground clearance: 200 mm
Oil capacity: 1.70 litres

Chassis & suspension

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

Brakes & wheels

Front brakes: Single disc
Rear brakes: Expanding brake
Front tyre: 100/90-19 57P
Rear tyre: 130/80-18 66P

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	2008	2011	2012
Capacity	249.00 ccm (15.19 cubic inches)	249.00 ccm (15.19 cubic inches)	249.00 ccm (15.19 cubic inches)	249.00 ccm (15.19 cubic inches)
Dry weight	127.0 kg (280.0 pounds)	123.0 kg (271.2 pounds)	139.0 kg (306.4 pounds)	139.0 kg (306.4 pounds)
Seat height	785 mm (30.9 inches)	785 mm (30.9 inches)	790 mm (31.1 inches)	790 mm (31.1 inches)
Fuel capacity	6.00 litres (1.59 gallons)	6.00 litres (1.59 gallons)	8.40 litres (2.22 gallons)	8.40 litres (2.22 gallons)
Color options	—	—	—	Yellow, blue, black