MANUFACTURED BY:
OLEO-MAC
REGGIO EMILIA, ITALY
SERIES OR ASSEMBLY NUMBER:
52
YEAR INTRODUCED:
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
53cc
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
46mm (1.8 in.)
PISTON STROKE:
32mm (1.26 in.)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with chrome impregnated bore
INTAKE METHOD:
Piston Ported
MANUFACTURER ADVERTISED H.P.:
7 SAE
WEIGHT:
6.9kg with 40 cm bar & chain
15.2 lbs. with 16 in. bar & chain
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct, clutch engages @ 3000 rpm
CONSTRUCTION:
Die cast mangesium
MAGNETO TYPE:
Selettra electronic
CARBURETOR:
Tillotson HS-128B or Walbro WJ-8-1
MAJOR REPAIR KIT:
RK-23HS for Tillotson
K10-WJ for Walbro
MINOR REPAIR KIT:
DG-5HS/T for Tillotson
D10-WJ for Walbro
AIR FILTER SYSTEM:
Flocked wire screen
STARTER TYPE:
Automatic rewind
OIL PUMP:
Automatic, piston pump
MAXIMUM ENGINE RPM:
IDLE RPM:
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
none
FLYWHEEL/COIL AIR GAP:
SPARK PLUG TYPE:
Bosch WKA 175 T6, Champion CJ7Y
SPARK PLUG GAP:
0.5mm (0.020 in.)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
700ml (24.63 Imp. Oz.)
FUEL OIL RATIO:
20:1
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
Castrol two-stroke chain saw mix oil
CHAIN PITCH:
3/8 in.
CHAIN TYPE:
Oregon
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
40cm (16 in.)
LONGEST GUIDE BAR SUPPLIED:
46cm (18 in.)
COLOUR SCHEME:
Orange enamel with Black handles and air filter cover