The Australian "Mobilco" Chainsaws
Mobilco was an Australian trading company of Melbourne.
Who imported and distributed various foreign chainsaws under it's company's name.
They also imported a lot of Agricultural equipment into Australia
The Red top and yellow body colouring was used to identify the saw as a Mobilco branded saw.
Model: 270 

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MANUFACTURED BY:  PM (Power Machinery Ltd.)
  VANCOUVER, BRITISH COLUMBIA, CANADA

SERIES OR ASSEMBLY NUMBER:  
YEAR INTRODUCED:  1961
ENGINE DISPLACEMENT:  5.8 cu. in. (95cc)
NUMBER OF CYLINDERS:  1
CYLINDER BORE:  2.3125 in. (58.7mm)

PISTON STROKE:  1.375 in. (34.9mm)
CYLINDER TYPE:  Aluminum with cast iron sleeve
INTAKE METHOD:  Piston ported
MANUFACTURER ADVERTISED H.P.:  not advertised
WEIGHT :  20 lbs. (9.1kg) powerhead only
OPERATOR CONFIGURATION:  One Man operation
HANDLEBAR SYSTEM:  Rigid
CLUTCH:  Centrifugal
DRIVE TYPE:  Direct
CONSTRUCTION:  Sand cast magnesium
MAGNETO TYPE:  Wico
CARBURETOR:  Tillotson HL series 
MINOR REPAIR KIT:  DG-1HL
AIR FILTER SYSTEM:  Flocked screen
STARTER TYPE:  Fairbanks Morse automatic rewind
OIL PUMP:  Automatic with manual override
OPERATING RPM:  
IGNITION TIMING:  35 degrees before TDC
BREAKER POINT SETTING:  0.020 in. (0.5mm)
FLYWHEEL/COIL AIR GAP:  fixed, not adjustable
SPARK PLUG TYPE:  Champion J6J, Autolite A3X, AC M44C
SPARK PLUG GAP:  0.025 in. (0.6mm)
CRANKSHAFT MAIN BEARINGS:  Ball
FUEL TANK CAPACITY:  2.5 Imp. Pts. (1420ml)
FUEL OIL RATIO:  16:1
RECOMMENDED FUEL OCTANE:  Regular
MIX OIL SPECIFICATION:  SAE 30 or SAE 40
CHAIN PITCH:  .404 in.
CHAIN TYPE:  Oregon 51C