5MS 460, MS 460 C
3. Specifications
3.1 Engine
Displacement: 76.5 cm
3
Bore: 52 mm
Stroke: 36 mm
Engine power to ISO 7293: 4.4 kW (5.98 bhp)
at 9,500 rpm
Max. permissible engine speed
with bar and chain: 13,500 ± 150 rpm
Idle speed: 2,500 rpm
Clutch: Three-shoe centrifugal clutch
without linings
Clutch engages at: 3,500 rpm
Crankcase leakage test
at gauge pressure: 0.5 bar
under vacuum: 0.5 bar
3.2 Fuel System
Carburetor leakage test
at gauge pressure: 0.8 bar
Operation of tank vent at gauge
pressure: 0.3 bar
Fuel: as specified in instruction manual
3.3 Ignition System
Air gap between ignition module
and fanwheel: 0.15 – 0.3 mm
Spark plug (suppressed): Bosch WSR 6F
NGK BPMR 7 A
Electrode gap: 0.5 mm
3.4 Chain Lubrication
Fully automatic, speed-controlled oil pump with rotary piston
Oil delivery rate: 8 – 18 cm
3
at 10,000 rpm
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