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Model: PB TWIN

MANUFACTURED BY:
IEL (Industrial Engineering Ltd.)
VANCOUVER, BRITISH COLUMBIA, CANADA
SERIES OR ASSEMBLY NUMBER:
Pioneer Twin
YEAR INTRODUCED:
1949
YEAR DISCONTINUED:
1950
ENGINE DISPLACEMENT:
6.0 cu. in. (98.3ccm)
NUMBER OF CYLINDERS:
2
CYLINDER BORE:
1.625 in. (41mm)
PISTON STROKE:
1.5625 in. (40mm)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with cast iron sleeve
INTAKE METHOD:
Rotary valve integral with crankshaft
MANUFACTURER ADVERTISED H.P.:
not advertised
WEIGHT:
45 lbs. (20.4kg.) powerhead only
OPERATOR CONFIGURATION:
One Man and Two man operation
HANDLEBAR SYSTEM:
rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal 3 shoes with bonded lining
DRIVE TYPE:
Bevel ger transmission, 3.2-1 gear ratio
CONSTRUCTION:
Sand cast aluminum
MAGNETO TYPE:
Wico
CARBURETOR:
Tillotson AJ-28A float type
MAJOR REPAIR KIT:
nla
MINOR REPAIR KIT:
nla
AIR FILTER SYSTEM:
Brass wire screen
STARTER TYPE:
IEL automatic rewind with steel cable
OIL PUMP:
Eccentric driven piston type in transmission plus
manual assist
MAXIMUM ENGINE RPM:
IDLE RPM:
IGNITION TIMING:
27 degrees B.T.D.C.
BREAKER POINT SETTING:
.020 in.
FLYWHEEL/COIL AIR GAP:
Position is fixed
SPARK PLUG TYPE:
Champion J8J
SPARK PLUG GAP:
.025 in.
CRANKSHAFT MAIN BEARINGS:
Ball and roller types
FUEL TANK CAPACITY:
FUEL OIL RATIO:
10-1
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
SAE 40
CHAIN PITCH:
.750in. (19mm)
CHAIN TYPE:
IEL Planerchain
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
30 in. (76cm)
LONGEST GUIDE BAR SUPPLIED:
60 in. (152cm)
COLOUR SCHEME:
IEL light Blue with Maroon handles
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
Unit was under powered, only a few were built then a change was made to larger cylinders and pistons.




 

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