Cors-Air M25Y User Manual

Cors-Air M25Y / Black Devil
TECHNICAL FEATURES
Cycle 2 strokes
Total displacement 172,5 c.c.
Bore 65 mm.
Stroke 52 mm.
Compression ratio
11:1
Peak rpm 7.500 rpm
Cooling by air
Piston of light alloy with 2 piston ring of cast iron S10 crominium-
plated
Cylinder Nickasil Coated
lining
Head of die-casted light alloy with high percentage of silicon
Crankcase molten in alloy G –Al Si 9 UNI 3051
Connecting rod of steel 18 Ni Cr Mo 5 forged and
copper- plated with rolls fit for
high speed
Carburettor diaphragm
Feeding reed valve with 4 petals on the crankcase
Electronic ignition type CDI (electric version) type TCI (manual version)
Regulation of spark advance 18° at 7000
rpm
Spark plug NGK B9ES
Reduction with belt Poly-V from 1 to 2.2 to 1 to 2.6
Cylinder head temperature max 200°C
Fuel mixture of premium petrol 98 octane and oil at 2%
Oil synthetic top-quality oil for 2-strokes engines
Expenditure from 2,5 to 4,5 liter/hour depending from the load and the speed
Fixing to the frame 5 rubber antivibration mounts
Rotation counterclockwise in front of the propeller

Cors-Air M25Y Specifications

General

Brand	Cors-Air
Model	M25Y
Category	Engine
Language	English