TECHNICAL DATA
Technical data
| 455 | 460 |
Engine |
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|
Cylinder displacement, cu.in/cm3 | 3,38/55,5 | 3,68/60,3 |
Cylinder bore, inch/mm | 1,85/47 | 1,93/49 |
Stroke, inch/mm | 1,26/32 | 1,26/32 |
Idle speed, rpm | 2700 | 2700 |
Power, kW/hp @ rpm | 3,5/2,6 @ 9000 | 3,7/2,7 @ 9000 |
Ignition system |
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|
Manufacturer of ignition system | SEM | SEM |
Type of ignition system | CD | CD |
Spark plug | NGK BPMR 7A/ | NGK BPMR 7A/ |
| Champion RCJ 7Y | Champion RCJ 7Y |
Electrode gap, inch/mm | 0,02/0,5 | 0,02/0,5 |
Fuel and lubrication system |
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Manufacturer of carburetor | Walbro | Walbro |
Carburetor type | WTA | WTA |
Fuel tank capacity, US pint/litre | 0,93/0,44 | 0,93/0,44 |
Oil pump capacity at 9,000 rpm, ml/min | 11,5 | 11,5 |
Oil tank capacity, US pint/litre | 0,68/0,32 | 0,68/0,32 |
Type of oil pump | Automatic | Automatic |
Weight |
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|
Chain saw without bar or chain, empty tanks, lb/kg | 12,8/5,8 | 12,8/5,8 |
Chain/bar |
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Standard bar length, inch/cm | 13/33 | 13/33 |
Recommended bar lengths, inch/cm | ||
Usable cutting length, inches/cm | ||
Pitch, inch/mm | 0,325/8,25 | 0,325/8,25 |
| 3/8 / 9,52 | 3/8 / 9,52 |
Thickness of drive links, inch/mm | 0,050/1,3 | 0,050/1,3 |
| 0,058/1,5 | 0,058/1,5 |
| 0,063/1,6 | 0,063/1,6 |
Drive sprocket type/teeth | Spur/7 | Spur/7 |
Chain speed at max. power, m/sec | 20,0 | 20,0 |
38 – English