MANUFACTURED BY: |  | JONSEREDS FABRIKERS AB |
 | | PARTILLE, SWEDEN |
SERIES OR ASSEMBLY NUMBER: | | 451E, 451EV |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1976 |
YEAR DISCONTINUED: | | 1983 |
ENGINE DISPLACEMENT: | | 44.3 ccm (2.7 cu. in.) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 42 mm |
PISTON STROKE: | | 32 mm |
PISTON RING THICKNESS: | | |
CYLINDER TYPE: | | Aluminum with Nikasil coated bore |
INTAKE METHOD: | | Piston ported |
MANUFACTURER ADVERTISED H.P.: | | 2.0kW @ 9300 rpm |
WEIGHT: | | 5.95kg |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | Anti-vibration |
CHAIN BRAKE: | | Mechanical |
CLUTCH: | | Centrifugal |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Die cast Magnesium |
MAGNETO TYPE: | | SEM electronic |
CARBURETOR: | | Tillotson HK-12 |
MAJOR REPAIR KIT: | | |
MINOR REPAIR KIT: | | |
AIR FILTER SYSTEM: | | Nylon mesh cartridge |
STARTER TYPE: | | Jonsereds automatic rewind |
OIL PUMP: | | Automatic |
MAXIMUM ENGINE RPM: | | 12,500 |
IDLE RPM: | | |
IGNITION TIMING: | | fixed |
BREAKER POINT SETTING: | | none |
FLYWHEEL/COIL AIR GAP: | | 0.3 mm (0.012 in.) |
SPARK PLUG TYPE: | | Champion CJ7Y |
SPARK PLUG GAP: | | 0.5 to 0.6mm (0.020 to 0.024 in.) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | .67 litres |
FUEL OIL RATIO: | | 25:1 |
RECOMMENDED FUEL OCTANE: | | Regular |
MIX OIL SPECIFICATION: | | Two-cycle chain saw mix oil |
CHAIN PITCH: | | .325 in. |
CHAIN TYPE: | | Chisel |
BAR MOUNT PATTERN: | | 01 link |
SHORTEST GUIDE BAR SUPPLIED: | | 30cm (12 in.) |
LONGEST GUIDE BAR SUPPLIED: | | 38cm (15 in.) |
COLOUR SCHEME: | | Red and Black enamel |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |