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Model: 2270

MANUFACTURED BY:
PIONEER SAWS LTD.
PETERBOROUGH, ONTARIO, CANADA
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1969
YEAR DISCONTINUED:
1972
ENGINE DISPLACEMENT:
3.546 cu. in. (58ccm)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
1.8125 in. (46mm)
PISTON STROKE:
1.375 in. (35mm)
PISTON RING THICKNESS:
2 rings used
CYLINDER TYPE:
Chrome plated aluminum
INTAKE METHOD:
Reed valve
MANUFACTURER ADVERTISED H.P.:
not advertised
WEIGHT:
13 lbs. 6 oz. (7.06 kg) powerhead only
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rubber vibration isolation on 1/2 wrap front handle
CHAIN BRAKE:
none
CLUTCH:
Centrifugal 3 shoe
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast magnesium
MAGNETO TYPE:
Wico flywheel type
CARBURETOR:
Tillotson HS-66A series
MAJOR REPAIR KIT:
RK-23HS
MINOR REPAIR KIT:
DG-5HS/T
AIR FILTER SYSTEM:
Flocked wire screen
STARTER TYPE:
Pioneer automatic rewind
OIL PUMP:
Automatic with manual override
MAXIMUM ENGINE RPM:
7,000 working speed
IDLE RPM:
where clutch disengages
IGNITION TIMING:
30 degrees before TDC
BREAKER POINT SETTING:
0.015 in. (0.38mm)
FLYWHEEL/COIL AIR GAP:
position is fixed
SPARK PLUG TYPE:
Champion CJ8
SPARK PLUG GAP:
0.030 in. (0.76mm)
CRANKSHAFT MAIN BEARINGS:
Caged needle roller (Torrington)
FUEL TANK CAPACITY:
20.4 fl. oz. (603 ml)
FUEL OIL RATIO:
16:1
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
OMC two-cycle chain saw mix oil
CHAIN PITCH:
3/8-.050 and .058 in. used. .050 in U.S., .058 in Canada
CHAIN TYPE:
Pioneer Duracut or Suregard
BAR MOUNT PATTERN:
01 link
SHORTEST GUIDE BAR SUPPLIED:
16 in. (40cm)
LONGEST GUIDE BAR SUPPLIED:
24 in. (60cm)
COLOUR SCHEME:
Pioneer Yellow enamel with Forest Green air filter cover
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:




 

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