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Model: 550

MANUFACTURED BY:
PARTNER AB
MOLNDAL, SWEDEN
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1982
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
55 ccm (3.35 cu. in.)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
44 mm (1.732 in.)
PISTON STROKE:
36 mm (1.42 mm)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with chrome plated bore
INTAKE METHOD:
Piston ported
MANUFACTURER ADVERTISED H.P.:
2.5 kW (3.4 hp)
WEIGHT:
6.5 kg (14.3 lbs.) powerhead only
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Inti-vibration
CHAIN BRAKE:
Yes
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast magnesium, injection molded plastic
MAGNETO TYPE:
EM electronic
CARBURETOR:
Walbro WJ-1C
MAJOR REPAIR KIT:
MINOR REPAIR KIT:
AIR FILTER SYSTEM:
Nylon mesh cartridge
STARTER TYPE:
Partner automatic rewind
OIL PUMP:
Automatic,
MAXIMUM ENGINE RPM:
8,500, 13,000 no load
IDLE RPM:
where clutch disengages
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
none
FLYWHEEL/COIL AIR GAP:
0.3 mm (0.012 in.)
SPARK PLUG TYPE:
Bosch WS7F, Champion RCJ78Y
SPARK PLUG GAP:
0.5 mm (0.020 in.)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
.75 litres (1.32 Imperial Pints)
FUEL OIL RATIO:
50:1 with Partner oil
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
Partner two-cycle mix oil
CHAIN PITCH:
9.252 mm (0.375 in.) 3/8"
CHAIN TYPE:
Partner Chisel
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
33 cm (13 in.)
LONGEST GUIDE BAR SUPPLIED:
50 cm (20 in.)
COLOUR SCHEME:
Partner Yellow and Black enamel
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:



 

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