Minibikes
2003Suzuki JR 50
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The 2003 Suzuki JR 50 is an entry-level minibike designed for young riders and beginners learning fundamental riding skills. Its lightweight 38 kg frame, low 480 mm seat height, and manageable 49 cc air-cooled engine make it ideal for off-road play and controlled learning. The JR 50 is best known for its affordability, durability, and effectiveness as a first motorcycle platform for children.
- Capacity
- 49.0 ccm
- Engine
- Single
- Gearbox
- 1-speed
- Dry weight
- 38.0 kg
- Seat height
- 480 mm
- Power
- 5.4 HP (4.0 kW)
What’s new for the 2003 Suzuki JR 50
vs the 2002| Spec | 2002 | 2003 |
|---|---|---|
| Front brakes | Expanding brake | Expanding brake (drum brake) |
| Rear brakes | Expanding brake | Expanding brake (drum brake) |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It exists purely as an entry-level minibike for supervised backyard or trail riding at very low speeds.
- Built for
- A simple, tough little automatic two-stroke with drum brakes and basic suspension, designed to be forgiving and low-maintenance for learners.
- Not ideal for
- It is not suitable for adults, highway use, touring, or anyone seeking real speed or off-road performance.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 49.0 ccm
- Power
- 5.4 HP (4.0 kW)
- Engine type
- Single
- Power/weight ratio
- 0.1421 HP/kg (dry)
- Bore x stroke
- 41.0 x 37.8 mm
- Compression
- 5.6:1
- Cooling system
- Air
- Fuel system
- Carburettor
- Starting
- Kick
- Lubrication system
- Oil injection
Transmission
- Gearbox
- 1-speed
- Transmission type
- Automatic
- Final drive
- Chain
Dimensions & weight
- Wheelbase
- 860 mm
- Overall length
- 1245 mm
- Overall width
- 595 mm
- Overall height
- 730 mm
- Seat height
- 480 mm
- Dry weight
- 38.0 kg
- Fuel capacity
- 2.00 litres
- Ground clearance
- 115 mm
Chassis & suspension
- Front suspension
- Telescopic, 2-way height adjustable
- Rear suspension
- Twin shock, 2-way height adjustable
Brakes & wheels
- Front brakes
- Expanding brake (drum brake)
- Rear brakes
- Expanding brake (drum brake)
- Front tyre
- 2.50-10-2pr
- Rear tyre
- 2.50-10-2pr
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 | 2003 | 2004 | 2005 | 2006 |
|---|---|---|---|---|---|
| Capacity | 49 cc | 49 cc | 49 cc | 49 cc | 49 cc |
| Dry weight | 38 kg | 38 kg | 38 kg | 38 kg | 38 kg |
| Seat height | 480 mm | 480 mm | 480 mm | 480 mm | 480 mm |
| Fuel capacity | 2 L | 2 L | 2 L | 2 L | 2 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Suzuki JR 50?
The 2003 Suzuki JR 50 has a Capacity of 49.0 ccm (2.99 cubic inches).
What engine power does the Suzuki JR 50 have?
The 2003 Suzuki JR 50 has a Power of 5.4 HP (4.0 kW).
How many gears does the Suzuki JR 50 have?
The 2003 Suzuki JR 50 has a Gearbox of 1-speed.
How much does the Suzuki JR 50 weigh?
The 2003 Suzuki JR 50 has a Dry weight of 38.0 kg (83.8 pounds).
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