Aspes Sirio Hybrid 50 - Specifications & Review

Sirio Hybrid 50

Article Complete Info

Articleid556315
CategoryScooter
MakeAspes
ModelSirio Hybrid 50
Price Euro 2950. Prices depend on country, taxes, accessories, etc.
Year2011

Chassis, Suspension, Brakes & Wheels

FrontbrakesSingle disc
Fronttyre80/90-14
RearbrakesExpanding brake (drum brake)
Reartyre80/90-14
WheelsAluminium

Engine & Transmission

Compression10.5:1
CoolingsystemAir
Displacement49.50 ccm (3.02 cubic inches)
EmissiondetailsTest 1 - CO: 0.38 g/km HC+NOx: 0.43 g/km Test 2 - CO: 0.161 rpm. HC: 0.036
EnginedetailsSingle cylinder, four-stroke
Fuelconsumption1.25 litres/100 km (80.0 km/l or 188.18 mpg)
FuelsystemCarburettor
Greenhousegases29.0 CO2 g/km. (CO2 - Carbon dioxide emission)
Power3.08 HP (2.2 kW)) @ 8000 RPM
Topspeed45.0 km/h (28.0 mph)

Other Specifications

ColoroptionsRed/black/white
CommentsHybrid with addition 800 W electric engine. 48V - 15Ah (C-LiFePO4 Lithium phosphate) battery. Automatically switches from electric to gasoline over 20 km/h.
StarterElectric

Physical Measures & Capacities

Dryweight90.0 kg (198.4 pounds)
Fuelcapacity4.90 litres (1.29 gallons)
Groundclearance140 mm (5.5 inches)
Overallheight1,220 mm (48.0 inches)
Overalllength1,864 mm (73.4 inches)
Overallwidth740 mm (29.1 inches)
Powerweightratio0.0342 HP/kg

About Aspes

Country of Origin: Italy
Founder: Aspes S.p.A. (Milanese team)
Best Known For: 1970s small-displacement enduro/motocross bikes and later urban models

Company History

Aspes blossomed during Italy’s 1970s off-road wave, producing nimble 50–125cc enduros and MXers that gave young riders a taste of competition without intimidation. Engines sourced from trusted suppliers sat in tidy steel frames with suspension tailored to Mediterranean terrain—rocky climbs, dusty fire roads, and tight woodland single-track. Later, as urban mobility surged, Aspes flirted with light commuters and small roadsters. Like many niche brands, it faced headwinds as Japanese OEMs industrialized quality at scale and as emissions rules raised costs for two-strokes. Yet Aspes machines retained a following for their lively character and approachable maintenance. Historically, Aspes is part of the mosaic that made Italy a small-bike powerhouse: local shops, regional racing scenes, and a feedback loop between paddock and factory. Surviving Aspes enduros encapsulate a riding style—momentum, finesse, and the joy of a light chassis dancing over rough ground.

Other Years

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