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JONSERED XB.


MANUFACTURED BY: JONSEREDS FABRIKERS AB PARTILLE, SWEDEN
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED: 1957
YEAR DISCONTINUED: 1960
ENGINE DISPLACEMENT: 62cc (3.78 cu. in.)
NUMBER OF CYLINDERS: 1
CYLINDER BORE: 45.45mm (1.75 in.)
PISTON STROKE: 40mm (1.57 in.)
CYLINDER TYPE: Chrome plated aluminum
INTAKE METHOD: Rotary valve
MANUFACTURER ADVERTISED H.P.: 1.69kw @ 5100 rpm
WEIGHT : 9.47kg (20.87 lbs.)
OPERATOR CONFIGURATION: One Man operation
HANDLEBAR SYSTEM: Rigid
CHAIN BRAKE: none
CLUTCH: Centrifugal
DRIVE TYPE: Gear reduction
CONSTRUCTION: Die cast magnesium
MAGNETO TYPE: Stefa
CARBURETOR: Injector
MAJOR REPAIR KIT:
MINOR REPAIR KIT:
AIR FILTER SYSTEM: Metallic screen
STARTER TYPE: Jonsered automatic rewind
OIL PUMP: Manual
OPERATING RPM: 6,800
IGNITION TIMING:
BREAKER POINT SETTING: 0.4mm
FLYWHEEL/COIL AIR GAP:
SPARK PLUG TYPE:
SPARK PLUG GAP: 0.5mm to 0.6mm (0.020 in. to 0.024 in.)
CRANKSHAFT MAIN BEARINGS: Ball
FUEL TANK CAPACITY: 1.24 litres (42 oz.)
FUEL OIL RATIO: 10:1
RECOMMENDED FUEL OCTANE: Regular
MIX OIL SPECIFICATION: SAE 50 or SAE 60
CHAIN PITCH: 12.7mm (.500 in.) 1/2"
CHAIN TYPE: BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED: 48 c, (19 in.)
LONGEST GUIDE BAR SUPPLIED:
COLOUR SCHEME: Green