Model: 020 AVP MANUFACTURED BY: STIHL ANDREAS MASCHINENFABRIK STUTTGART, GERMANY SERIES OR ASSEMBLY NUMBER: 1129 YEAR INTRODUCED: YEAR DISCONTINUED: ENGINE DISPLACEMENT: 32ccm (1.96 cu. in.) NUMBER OF CYLINDERS: 1 CYLINDER BORE: 38mm (1.496in.) PISTON STROKE: 28mm (1.102 in.) CYLINDER TYPE: Aluminum with chrome plated bore INTAKE METHOD: Piston ported MANUFACTURER ADVERTISED H.P.: WEIGHT: 4.4kg with 30cm bar & chain 9.68 lbs. with 12 in. bar & chain OPERATOR CONFIGURATION: One Man operation (top handle saw) HANDLEBAR SYSTEM: Anti-vibration CHAIN BRAKE: Optional CLUTCH: Centrifugal DRIVE TYPE: Direct CONSTRUCTION: Die cast magnesium MAGNETO TYPE: Transistorized electronic CARBURETOR: Tillotson HU-7A series MAJOR REPAIR KIT: RH-14HU MINOR REPAIR KIT: DG-2HU AIR FILTER SYSTEM: Nylon mesh element STARTER TYPE: Stihl automatic rewind OIL PUMP: Automatic MAXIMUM ENGINE RPM: 12,500 IDLE RPM: 2,800 IGNITION TIMING: 2.0 to 2.2mm before TDC BREAKER POINT SETTING: none FLYWHEEL/COIL AIR GAP: SPARK PLUG TYPE: Bosch WSR6F SPARK PLUG GAP: 0.5mm (0.020 in.) CRANKSHAFT MAIN BEARINGS: Ball FUEL TANK CAPACITY: 410ml (.85 U.S. pints) FUEL OIL RATIO: 40:1 with Stihl chain saw mix oil RECOMMENDED FUEL OCTANE: Regular MIX OIL SPECIFICATION: Stihl two-cycle chain saw mix oil CHAIN PITCH: 3/8 low profile, 1/4" on early production CHAIN TYPE: Stihl BAR MOUNT PATTERN: SHORTEST GUIDE BAR SUPPLIED: 30cm (12 in.) LONGEST GUIDE BAR SUPPLIED: 35cm (14 in.) COLOUR SCHEME: Grey with Red clutch cover PAINT CODES: ILLUSTRATED PARTS LIST: SERVICE MANUAL: COMMENTS: "P" designates unit as Professional, "Q" designates unit as chain brake equipped