MANUFACTURED BY: |  | STIHL ANDREAS MASCHINENFABRIK |
 | | STUTTGART, GERMANY |
SERIES OR ASSEMBLY NUMBER: | | |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1968 |
YEAR DISCONTINUED: | | |
ENGINE DISPLACEMENT: | | 56 ccm (3.39 cu. in.)
early version had 48 ccm (3.2 cu. in.) engine prior to
1969 |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 47 mm (1.85 in.) early version was 44 mm (1.73 in.) |
PISTON STROKE: | | 32 mm (1.26 in.) |
PISTON RING THICKNESS: | | 1.5 mm |
CYLINDER TYPE: | | Aluminum with chrome plated bore |
INTAKE METHOD: | | Piston ported |
MANUFACTURER ADVERTISED H.P.: | | 3.4 |
WEIGHT: | | 8.4 kg with 40 cm bar & chain
18.5 lbs. with 16 in. bar & chain |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | Rigid |
CHAIN BRAKE: | | none |
CLUTCH: | | Centrifugal |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Die cast magnesium |
MAGNETO TYPE: | | Bosch |
CARBURETOR: | | Tillotson HL-62A series |
MAJOR REPAIR KIT: | | |
MINOR REPAIR KIT: | | |
AIR FILTER SYSTEM: | | Nylon mesh element |
STARTER TYPE: | | Automatic rewind (Fairbanks Morse type) |
OIL PUMP: | | Automatic |
MAXIMUM ENGINE RPM: | | 7,000 |
IDLE RPM: | | 3,000 |
IGNITION TIMING: | | 2mm (0.080 in.) before TDC |
BREAKER POINT SETTING: | | 0.4mm (0.016 in. |
FLYWHEEL/COIL AIR GAP: | | Position is fixed |
SPARK PLUG TYPE: | | Bosch WSR6F |
SPARK PLUG GAP: | | 0.51 mm (0.020 in.) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | 750 ml (1.6 pints) |
FUEL OIL RATIO: | | 20:1 |
RECOMMENDED FUEL OCTANE: | | Regular |
MIX OIL SPECIFICATION: | | Castrol 2-Stroke SAE 40 |
CHAIN PITCH: | | .404 in. - .063 in. gauge |
CHAIN TYPE: | | Oregon |
BAR MOUNT PATTERN: | | 07 link |
SHORTEST GUIDE BAR SUPPLIED: | | 33 cm (13 in.) |
LONGEST GUIDE BAR SUPPLIED: | | 43 cm (17 in.) |
COLOUR SCHEME: | | Grey with Red top |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |