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MotoLibrary Score
32/100Commuter
Power
10 HP
Engine
50 ccm
Technical Overview
2005 Rieju 50 Spike Racing Castrol Pro Technical Analysis & Specification Breakdown
Positioned in Rieju's super motard motorcycle lineup, the 2005 Rieju 50 Spike Racing Castrol Pro relies on a 50 cc (3.1 cu in) liquid-cooled single cylinder, two-stroke powerplant. In factory specification, peak output is rated at 9.5 HP (6.9 kW), transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 190 HP per liter, the engine character is placing it firmly in high-revving supersport territory where top-end breathing dominates.
Rider ergonomics and chassis geometry center around a 1,332 mm (52.4 in) wheelbase engineered for quick, flickable steering geometry.
Specific Output
190 HP/L
Engine
Displacement50.0 ccm (3.05 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsSingle cylinder, two-stroke
Power9.5 HP (6.9 kW))
Compression12.0:1
Bore x Stroke39.0 x 40.3 mm (1.5 x 1.6 inches)
Fuel SystemCarburettor. Dell´ortho HSA
LubricationSeparated with automatic mixer
CoolingLiquid
Transmission
Gearbox6-speed
Final DriveChain (final drive)
Chassis
Frame TypePerimetral chassis (double beam).
Front SuspensionShowa advantage with inverted bracket
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
