MANUFACTURED BY: |  | PARTNER AB |
 | | MOLNDAL, SWEDEN |
SERIES OR ASSEMBLY NUMBER: | | |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1977, March |
YEAR DISCONTINUED: | | |
ENGINE DISPLACEMENT: | | 70cc (4.27 cu. in.) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 50mm (1.96 in.) |
PISTON STROKE: | | 36mm (1.42 in.) |
PISTON RING THICKNESS: | | |
CYLINDER TYPE: | | Nickel Silocon Carbide coated aluminum (Nikasil) |
INTAKE METHOD: | | Piston ported |
MANUFACTURER ADVERTISED H.P.: | | 3.0 kW (4.1 hp) |
WEIGHT: | | 6.3 kg (13.9 lbs.) powerhead only |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | |
CHAIN BRAKE: | | |
CLUTCH: | | Centrifugal |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Die cast magnesium |
MAGNETO TYPE: | | Ignitron Transistorized electronic |
CARBURETOR: | | Tillotson HS-172B series |
MAJOR REPAIR KIT: | | RK-23HS |
MINOR REPAIR KIT: | | DG-5HS/T |
AIR FILTER SYSTEM: | | Nylon mesh element |
STARTER TYPE: | | Partner automatic rewind |
OIL PUMP: | | Automatic adjustable |
MAXIMUM ENGINE RPM: | | 8,500 |
IDLE RPM: | | |
IGNITION TIMING: | | fixed, 26 degrees before TDC |
BREAKER POINT SETTING: | | |
FLYWHEEL/COIL AIR GAP: | | |
SPARK PLUG TYPE: | | Bosch WS5E or Champion CJ6 |
SPARK PLUG GAP: | | 0.5mm (.020 in.) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | .75 litres (1.32 Imperial pints) |
FUEL OIL RATIO: | | 50:1 with Partner Oil otherwise 25:1 |
RECOMMENDED FUEL OCTANE: | | Regular |
MIX OIL SPECIFICATION: | | Partner Mix Oil |
CHAIN PITCH: | | 9.5mm (.375 in.) |
CHAIN TYPE: | | Oregon 73D |
BAR MOUNT PATTERN: | | |
SHORTEST GUIDE BAR SUPPLIED: | | 33cm (13 in.) |
LONGEST GUIDE BAR SUPPLIED: | | 61cm (24 in.) |
COLOUR SCHEME: | | Partner Yellow and Black enamel |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |