MANUFACTURED BY: |  | IEL (Industrial Engineering Ltd.) |
 | | VANCOUVER, BRITISH COLUMBIA, CANADA |
SERIES OR ASSEMBLY NUMBER: | | Pioneer Twin |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1950 |
YEAR DISCONTINUED: | | 1950 |
ENGINE DISPLACEMENT: | | 9.82 cu. in. (161 cc) |
NUMBER OF CYLINDERS: | | 2 |
CYLINDER BORE: | | 2.0 in. (50.8 mm) |
PISTON STROKE: | | 1.5625 in. (40 mm) |
PISTON RING THICKNESS: | | |
CYLINDER TYPE: | | Aluminum with cast iron sleeve |
INTAKE METHOD: | | Rotary valve integral with crankshaft |
MANUFACTURER ADVERTISED H.P.: | | |
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 gear transmission, 3.2-1 gear ratio |
CONSTRUCTION: | | Sand cast aluminum |
MAGNETO TYPE: | | Wico |
CARBURETOR: | | Tillotson AJ-28A on early production changed to
Tillotson MD-55A on later production. Float type |
MAJOR REPAIR KIT: | | |
MINOR REPAIR KIT: | | |
AIR FILTER SYSTEM: | | Brass wire screen |
STARTER TYPE: | | IEL automatic rewind with steel cable |
OIL PUMP: | | Eccentric driven piston in transmission with
manual assist |
MAXIMUM ENGINE RPM: | | |
IDLE RPM: | | |
IGNITION TIMING: | | 27 degrees B.T.D.C. |
BREAKER POINT SETTING: | | .020 in. (.05mm) |
FLYWHEEL/COIL AIR GAP: | | Position is fixed |
SPARK PLUG TYPE: | | Champion J8J |
SPARK PLUG GAP: | | .025 in. (.06mm) |
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: | | .750 (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: | | |