SPECIFICATIONS
Sect. 2 - TECHNICAL INFORMATION
MGS corsa user's manual - page 2-3
2.1. SPECIFICATIONS
2.1.1
TECHNICAL DATA
ENGINE – TRANSMISSION
ENGINE
Type
two-cylinder, four-stroke
Number of cylinders
two
Cylinder arrangement
V, 90°
Pistons
2 compression rings, 1 scraper ring
Connecting rods
Carillo 144 mm (5.67 in)
Bore
100 mm (3.94 in.)
Stroke
78 mm (3.07 in.)
Total displacement
1225 cu cm (74.75 cu in)
Cooling system
air cooled
Air filter
Filter cartridge, dry
Compression ratio
11.6 : 1
Maximum EC-corrected crankshaft power
95.4 kW (128 HP) at 8000 rpm
Maximum EC-corrected crankshaft torque
112.7 kW (11.5 HP) at 3600 rpm
Engine idling speed
1450 ± 50 rpm
TIMING SYSTEM
Timing diagram:
4 valves, overhead camshaft driven by toothed belts
intake valve opens
36° BTDC
intake valve closes
70° ABDC
exhaust valve opens
64° BBDC
exhaust valve closes
28° ATDC
Valves
intake Ø 36 mm (1.42 in.)
exhaust Ø 31 mm (1.22 in.)
Values with inspection clearance between
rocker arms and valve
intake 0.10 mm (0.0039 in.)
exhaust 0.15 mm (0.0059 in.)
FUEL SYSTEM
Type
Electronic fuel injection (Weber – Marelli IAW 15M)
Throttle
Ø 50 mm (1.97 in.)
Fuel
Premium grade unleaded petrol, minimum octane rating 95 (RON) and
85 (MON).
Starting
electric
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