Technical Data; Engine - Sachs Bikes MadAss 50 Owner's Manual

Engine

Engine type:
Design:
Valve control:
Valves:
Valve clearance, cold:
Displacement:
Bore:
Stroke:
Compression ratio:
Lubrication system:
Cooling:
Rated power:
Rated torque:
Ignition system:
Spark plug:
Carburettor:
Air-fi lter:
Idle speed:
Typ of starter:
4-gear model: FY139FMB Automatic model: FY139FMB-B
Single cylinder 4-stroke petrol engine
1 overhead cam with rocker arms
2 valves
Intake + exhaust 0.05 mm - 0.08 mm
49.5 cm 3
ø 39 mm
41.4 mm
10:1
Oil circulation lubrication
Air cooled
2.0 kW at 7.000 rpm
3.2 Nm at 4.300 rpm
Transistorized ignition system with electronic ignition control (CDI)
NGK CR7 HSA electrode gap 0.7- 0.8 mm
Mikuni constant vacuum carburettor type VM 12 101 6
Dry air fi lter
1.800 +/- 200 rpm
Electric starter / kick starter

TECHNICAL DATA

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