Gilera Runner PureJet 50
The Gilera Runner PureJet 50 is the Runner model with fuel injection, the very system that gives the PureJet version its name. Unlike carbureted versions, the 2-stroke engine of this 50cc scooter receives a fuel-oil mix delivered through two in-line injectors. Mixing is handled automatically, with delivery volume adjusting according to RPM and throttle position.
Runner PureJet 50 - Engine
- Engine: 2-stroke
- Displacement: 49.4 cc
- Bore x stroke: 40 x 39.3 mm
- Compression ratio: 11.5 ± 0.9
- Cooling: liquid-cooled with forced circulation
- Fuel system: fuel injection of the fuel-oil mixture via 2 in-line injectors. Mixing is automatic and depends on engine rpm and throttle position. An electric fuel pump is also installed in the fuel line
- Intake: via crankcase reed valve integrated into the fuel injection system
- Transmission: CVT with V-belt
Chassis, Frame, and Suspension
- Frame: welded tubular steel frame with sheet metal reinforcements
- Front suspension: telescopic fork
- Rear suspension: coaxial spring and hydraulic shock absorber; frame and engine mount are connected via swingarm
- Front brake: hydraulically operated disc brake
- Rear brake: hydraulically operated disc brake
- Rims: alloy 3.50 x 12"
- Front tire: 120/70 12", tubeless
- Rear tire: 130/70 12", tubeless
- Dimensions (L x W x H): 1780 x 720 x 830 mm
- Wheelbase: 1290 mm
- Curb weight: 98 kg
- Fuel tank: 12 l, plastic
- Oil tank: approx. 1.8 l, including approx. 0.400 l reserve
Electrical System
- Ignition: electronic with integrated high-voltage ignition coil
- Ignition timing (BTDC): variable, controlled via ignition ECU
- Recommended spark plug: CHAMPION RG6YCA
Maintenance and Spare Parts for Gilera Runner PureJet 50
Regular maintenance of the Gilera Runner PureJet 50 is essential for reliable operation and consistent performance. Because this model features fuel injection, replacement parts must match this specific fuel setup. Spare parts for the injected version differ from those used on carbureted models.
This category features OEM parts and high-quality components for the engine, drivetrain, and chassis. Available items include parts for the fuel injection system, fuel pump, reed valve, spark plug, liquid cooling, V-belt, variator, clutch, brake pads, and 12-inch tires. Matching tuning parts for the Gilera Runner 50 are also available.