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Model: XA

MANUFACTURED BY:
JONSEREDS FABRIKERS AB
PARTILLE, SWEDEN
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1954
YEAR DISCONTINUED:
1960
ENGINE DISPLACEMENT:
50cc (3.05 cu. in.)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
39.7mm (1.56 in.)
PISTON STROKE:
40mm (1.57 in.)
CYLINDER TYPE:
Chrome plated aluminum
INTAKE METHOD:
Rotary valve
MANUFACTURER ADVERTISED H.P.:
1.3kw @ 4500 rpm
WEIGHT:
10kg (22lbs.)
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal
DRIVE TYPE:
Gear reduction
CONSTRUCTION:
Die cast magnesium
MAGNETO TYPE:
none
CARBURETOR:
Injector
MAJOR REPAIR KIT:
MINOR REPAIR KIT:
AIR FILTER SYSTEM:
Metallic screen
STARTER TYPE:
Automatic rewind
OIL PUMP:
Manual
MAXIMUM ENGINE RPM:
6000
IDLE RPM:
IGNITION TIMING:
Diesel
BREAKER POINT SETTING:
none
FLYWHEEL/COIL AIR GAP:
SPARK PLUG TYPE:
none
SPARK PLUG GAP:
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
1.3 litres
FUEL OIL RATIO:
10:1
RECOMMENDED FUEL OCTANE:
Diesel, Kerosene or gasoline
MIX OIL SPECIFICATION:
SAE 50 or SAE 60
CHAIN PITCH:
12.7mm (.500in) 1/2"
CHAIN TYPE:
Chipper
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
48 cm (19 in.)
LONGEST GUIDE BAR SUPPLIED:
COLOUR SCHEME:
Green
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
Runs on Diesel fuel, Kerosene or gasoline mixed with oil. To start a glow plug must be heated with a built in propane heating system.

Photographs courtesy George Blake collection
brochure courtesy Mats Hedin collection

 

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