MANUFACTURED BY: |  | CRAFTSMAN (SEARS ROEBUCK & CO.) |
 | | CHICAGO, IL U.S.A. |
SERIES OR ASSEMBLY NUMBER: | | 271.358290 |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1971 |
YEAR DISCONTINUED: | | |
ENGINE DISPLACEMENT: | | 44.3 ccm (2.69 cu. in. |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 42 mm (1.65 in.) |
PISTON STROKE: | | 32 mm (1.26 in.) |
PISTON RING THICKNESS: | | |
CYLINDER TYPE: | | Aluminum with Chrome plated bore |
INTAKE METHOD: | | Piston ported |
MANUFACTURER ADVERTISED H.P.: | | not advertised |
WEIGHT: | | |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | Anti-Vibration |
CHAIN BRAKE: | | none |
CLUTCH: | | Centrifugal |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Die cast magnesium |
MAGNETO TYPE: | | Flywheel type with breaker points |
CARBURETOR: | | Tillotson HU-9A |
MAJOR REPAIR KIT: | | RK-14HU |
MINOR REPAIR KIT: | | DG-2HU |
AIR FILTER SYSTEM: | | Nylon mesh element |
STARTER TYPE: | | Automatic rewind |
OIL PUMP: | | Automatic |
MAXIMUM ENGINE RPM: | | |
IDLE RPM: | | |
IGNITION TIMING: | | 30 degrees BTDC |
BREAKER POINT SETTING: | | 0.30 to 0.40 mm (0.012 to 0.016 in.) |
FLYWHEEL/COIL AIR GAP: | | 0.30 to 0.40 mm (0.012 to 1.016 in.) |
SPARK PLUG TYPE: | | NGK BM6A |
SPARK PLUG GAP: | | 0.61 to 0.71 mm (0.024 to 0.028 in.) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | |
FUEL OIL RATIO: | | 50:1 with ECHO 2-cycle mil oil |
RECOMMENDED FUEL OCTANE: | | Regular grade 89 octane |
MIX OIL SPECIFICATION: | | ECHO 2-cycle ISL-L-EDG, JASO M345/FD |
CHAIN PITCH: | | 3/8 in. (.375 in.) |
CHAIN TYPE: | | Oregon 72D |
BAR MOUNT PATTERN: | | 10 link |
SHORTEST GUIDE BAR SUPPLIED: | | 40 cm (16 in.) |
LONGEST GUIDE BAR SUPPLIED: | | 60 cm (20 in.) |
COLOUR SCHEME: | | ECHO Orange with Black trim |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |