ines M245M / M281M
1.6. SPECIFICATIONS
1.6.1. TECHNICAL DATA - 125CC 4T-4V-H2O ENGINE
ENGINE
Type Single-cylinder 4-stroke engine, 4 valves with auxiliary air
system and catalytic muffler
Bore 57 mm
Stroke 48.6 mm
Capacity 124 cm
3
Compression ratio 11. 5÷13 : 1
Carburettor WALBRO WVF7A
Lubrication Lobular pump into crankcase controlled by twin-filter
chain: mesh filter and paper filter
Fuel system Premium grade unleaded petrol, min. O.N. 95, through
carburetor
Cooling Water cooling
Max. power output 11 kw at 10000 rpm
Spark advance Microprocessor-based variable advance: 10° ±1 at 2000
rpm 34° ±1
4500 at 10000 rpm
Plug Champion RG 4 HC
Transmission Automatic variator with expandable pulleys, Vee belt,
automatic clutch, reduction gear, transmission housing
with forced circulation cooling
Valve clearance (cold) Intake: 0.10 mm
Exhaust: 0.15 mm
Recommended engine oil: Selenia HI Scooter 4 Tech SAE 5W-40
Quantity 1000 cc
Hub oil TUTELA ZC 90
Quantity 150 cc
Final drive Engine M245M: 1/21,23
Engine M281M: 1/6,36
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