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Model: 550

MANUFACTURED BY:
PIONEER/PARTNER
HURON PARK, ONTARIO, CANADA
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1984
YEAR DISCONTINUED:
1988
ENGINE DISPLACEMENT:
55cc (3.36 cu. in.)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
44mm (1.73 in.)
PISTON STROKE:
36mm (1.42 in.)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with chrome plated bore
INTAKE METHOD:
Piston ported
MANUFACTURER ADVERTISED H.P.:
Not advertised
WEIGHT:
7.3 kg (16.1 lbs.) with 38 cm (15 in.) bar & chain
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Anti-vibration
CHAIN BRAKE:
Yes
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast magnesium & molded plastic
MAGNETO TYPE:
Electronic (Electrolux)
CARBURETOR:
Walbro WJ-1C series
MAJOR REPAIR KIT:
K10-WJ
MINOR REPAIR KIT:
D10-WJ
AIR FILTER SYSTEM:
Nylon mesh cartridge
STARTER TYPE:
Automatic rewind
OIL PUMP:
Automatic, worm gear driven
MAXIMUM ENGINE RPM:
8,500, 13,000 no load
IDLE RPM:
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
none
FLYWHEEL/COIL AIR GAP:
0.3 mm (0.012 in.)
SPARK PLUG TYPE:
Champion RCJ7Y, Bosch WS7F
SPARK PLUG GAP:
0.5 mm (0.020 in.)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
750 ml (26.3 fl. Oz.)
FUEL OIL RATIO:
40:1
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
Two-stroke chain saw mix oil
CHAIN PITCH:
3/8 in.
CHAIN TYPE:
Oregon 73
BAR MOUNT PATTERN:
09 link
SHORTEST GUIDE BAR SUPPLIED:
40 cm (16 in.)
LONGEST GUIDE BAR SUPPLIED:
71 cm (28 in.)
COLOUR SCHEME:
Partner Yellow with Black handles and chain brake lever
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
Final version of Partner S55

 

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