OLYMPIC OLEO-MAC 260.

MANUFACTURED BY: OLEO-MAC REGGIO EMILIA, ITALY SERIES OR ASSEMBLY NUMBER: YEAR INTRODUCED: 1976 YEAR DISCONTINUED: ENGINE DISPLACEMENT: 61cc (3.7 cu. in.) NUMBER OF CYLINDERS: 1 CYLINDER BORE: 47mm (1.85 in.) PISTON STROKE: 35mm (1.38 in.) PISTON RING THICKNESS: CYLINDER TYPE: Aluminum with chrome impregnated bore INTAKE METHOD: Piston ported MANUFACTURER ADVERTISED H.P.: 7.5 SAE WEIGHT: 8.2kg with 45cm bar & chain 18 lbs. with 18 in. bar & chain OPERATOR CONFIGURATION: One Man operation HANDLEBAR SYSTEM: CHAIN BRAKE: CLUTCH: Centrifugal, engages @ 3000 RPM DRIVE TYPE: Direct CONSTRUCTION: Die cast magnesium MAGNETO TYPE: CEV breaker point system CARBURETOR: Tillotson HS-128B MAJOR REPAIR KIT: MINOR REPAIR KIT: AIR FILTER SYSTEM: Flocked wire screen STARTER TYPE: Automatic rewind OIL PUMP: Automatic, cam actuated piston pump, adjustable MAXIMUM ENGINE RPM: IDLE RPM: IGNITION TIMING: 2.6mm (0.102 in.) before TDC BREAKER POINT SETTING: 0.45mm (0.017 in.) FLYWHEEL/COIL AIR GAP: SPARK PLUG TYPE: Bosch WS7F, Champion CJ7Y SPARK PLUG GAP: 0.51mm (0.020 in.) CRANKSHAFT MAIN BEARINGS: Ball FUEL TANK CAPACITY: 1 Litre (35.18 Imp. Oz.) FUEL OIL RATIO: 40:1 RECOMMENDED FUEL OCTANE: Regular MIX OIL SPECIFICATION: Two-stroke chain saw mix oil CHAIN PITCH: 3/8 in. CHAIN TYPE: Oregon BAR MOUNT PATTERN: SHORTEST GUIDE BAR SUPPLIED: 40cm (16 in.) LONGEST GUIDE BAR SUPPLIED: 51cm (20 in.) COLOUR SCHEME: Orange with Black handles and air filter cover