Rieju RS1 Castrol - 2005 Specifications and Reviews
The 2005 Rieju RS1 Castoral is a compact 50cc sport bike designed for young riders and learners seeking affordable performance. Powered by a liquid-cooled single-cylinder engine with 9 horsepower, it delivers sporty handling in a nimble package ideal for urban commuting and training purposes.
2005
Engine and Transmission Specifications | |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Automix |
| Starter | Electric |
| Fuel system | Carburettor. Dell´ortho HSA |
| Bore x stroke | 39.0 x 40.3 mm (1.5 x 1.6 inches) |
| Compression | 12.0:1 |
| Power | 9.00 |
| Stroke | 2 |
| Engine type | Single cylinder |
| Capacity: | 50.00 ccm (3.05 cubic inches) |
| | |
Physical measures and capacities | |
| Overall width | 630 mm (24.8 inches) |
| Overall length | 1,855 mm (73.0 inches) |
Rieju RS1 Castrol dimensions and frame | |
| Rear brakes diameter | 200 mm (7.9 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 260 mm (10.2 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 120/80-16 |
| Front tyre dimensions | 90/90-16 |
| Frame type | Double cradle steel tube. |
Speed and acceleration | |
| Color options | Red/white |
| Fuel capacity | 9.00 litres (2.38 gallons) |
| Category | Sport |
| Year | 2005 |
| Model | Rieju RS1 Castrol |
| | |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
Performance Profile & Rider Fit
9 hp
Peak Power
Best For
Track40%
City65%
Cornering60%
Daily Riding40%
Touring15%
Passenger10%
Rider Profile
| Best For | This is a 50cc sport-styled minibike best suited to beginners, learners, or younger riders taking their first steps into motorcycling. |
| Purpose | It's designed as an entry-level sport mini-moto for short urban hops, learning to ride, and playful cornering practice rather than any serious performance riding. |
| Rider Fit | Its small dimensions and low weight class make it easy to handle for smaller or lighter riders, including teenagers. |
| Character | The bike has a sporty, race-replica look with a peppy little two-stroke engine that rewards revving and quick gear changes despite its modest output. |
| Not Ideal For | It is not for taller, heavier adults, highway commuting, touring, or anyone expecting real straight-line speed or long-distance comfort. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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