Reference: shspeed
Engine: helvenco250 race engine with modified cam train & optimised mapping for AERO application (inclusive altitude correction)
Type: Electronic Fuel injected single-cylinder 4-stroke engine with balancing shaft
Lubrication system: 0,6l Integrated dry sump with diaphragm pump in combination with 0,35l external oil tank
Valve train: DOHC on ball bearings, 4 valves/cylinder with flat tappets, timing chain with automatic tensioner
Displacement: 249,6 cm3 (Bore x stroke: 75mm x 56,5mm)
Cylinder: Die casted aluminum with Nikasil coating
Crankcase: Die casted aluminum
Piston: Forged aluminum
Conrod: Forged steel on needle roller cage
Crankshaft: 3-parts, forged steel, on ball bearings
Ignition: Digital ECU with optional tool to exchange programs (via ScanPrEx) - Rev limiter: Electronic, standard 10.500 rpm - Alternator: 12V - Starter: Electric startedTransmission: Reversed centrifugal AIYES clutch with 14G Belt drive system
Throttle body: Delphi 34mm butterfly type with TP sensor (optional 37mm)Cooling system: Watercooled, integrated waterpump
Maximum Thrust: (ECE): ±125kg at 9.400rpm (3-blade - 1,75m)Torque: EFI 32Nm at 7.500rpm
1 Complete engine contains:
Motor installed in frame "Plug-and-Play", Reduction drive i = 3,82 (210 mm / 55 mm), Exhaust manifold including exhaust, 34 mm Throttle body, Cotton air filter, EFI system, ECU, wiring harness.
No water, oil and propeller!
