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Model: 931

MANUFACTURED BY:
OLEO-MAC
REGGIO EMILIA, ITALY
SERIES OR ASSEMBLY NUMBER:
SERIAL NUMBER PREFIX:
YEAR INTRODUCED:
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
31cc (1.9 cu. in.)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
PISTON STROKE:
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with chrome impregnated bore
INTAKE METHOD:
Reed valve
MANUFACTURER ADVERTISED H.P.:
1.28 DIN (1.58kW)
WEIGHT:
4.10kg
OPERATOR CONFIGURATION:
One Man operation, top handle type
HANDLEBAR SYSTEM:
Anti-vibration
CHAIN BRAKE:
Yes
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Molded plastic, die cast magnesium
MAGNETO TYPE:
Electronic
CARBURETOR:
Walbro WT-477
MAJOR REPAIR KIT:
K10-WAT
MINOR REPAIR KIT:
D10-WAT
AIR FILTER SYSTEM:
Nylon screen cartridge plus foam
STARTER TYPE:
Oleo-Mac automatic rewind
OIL PUMP:
Automatic, worm gear driven
MAXIMUM ENGINE RPM:
IDLE RPM:
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
none
FLYWHEEL/COIL AIR GAP:
SPARK PLUG TYPE:
50030147R
SPARK PLUG GAP:
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
FUEL OIL RATIO:
40:1
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
Two-stroke chain saw mix oil
CHAIN PITCH:
3/8 in. low profile
CHAIN TYPE:
Oregon
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
LONGEST GUIDE BAR SUPPLIED:
COLOUR SCHEME:
Orange with Grey handles and air filter cover
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
Current manufacture



 

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