MANUFACTURED BY: |  | ECHO (KIORITZ CORPORATION) |
 | | YOKOSUKA, MORIOKA Japan |
SERIES OR ASSEMBLY NUMBER: | | |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | |
YEAR DISCONTINUED: | | |
ENGINE DISPLACEMENT: | | 28.5 ccm (1.7 cu. in.) |
NUMBER OF CYLINDERS: | | 1 Air cooled, two-stroke, single cylinder gasoline engine |
CYLINDER BORE: | | |
PISTON STROKE: | | |
PISTON RING THICKNESS: | | 1 ring used |
CYLINDER TYPE: | | Aluminum with Chrome plated bore |
INTAKE METHOD: | | Piston ported |
MANUFACTURER ADVERTISED H.P.: | | not advertised |
WEIGHT: | | 3 kg (7.7 lbs.) powerhead only |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | Anti-Vibration |
CHAIN BRAKE: | | Inertia Activated |
CLUTCH: | | Centrifugal |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Injection molded Polymer |
MAGNETO TYPE: | | CDI flywheel ignition |
CARBURETOR: | | WYP-4A |
MAJOR REPAIR KIT: | | K20-WYMP |
MINOR REPAIR KIT: | | D20-WYMP |
AIR FILTER SYSTEM: | | Cellulose fiber element |
STARTER TYPE: | | Automatic rewind |
OIL PUMP: | | Automatic, gear driven |
MAXIMUM ENGINE RPM: | | |
IDLE RPM: | | |
IGNITION TIMING: | | |
BREAKER POINT SETTING: | | none |
FLYWHEEL/COIL AIR GAP: | | |
SPARK PLUG TYPE: | | BPM7A |
SPARK PLUG GAP: | | .06 to .07 mm (0.024 to 0.028 in.) |
CRANKSHAFT MAIN BEARINGS: | | 6001 Ball type |
FUEL TANK CAPACITY: | | 220 ml |
FUEL OIL RATIO: | | 25:1 |
RECOMMENDED FUEL OCTANE: | | 89 regular automotive.
ASPEN2 pre-mixed Alkylate fuel is
best at 93 octane, no ethanol, has very long shelf life |
MIX OIL SPECIFICATION: | | ECHO two cycle. ISO-L-EDG. Jaso M345/FD
ASPEN Synthetic mix oil is best |
CHAIN PITCH: | | 3/8 in. Low Profile |
CHAIN TYPE: | | Oregon 91SG |
BAR MOUNT PATTERN: | | |
SHORTEST GUIDE BAR SUPPLIED: | | 30 cm (12 in.) |
LONGEST GUIDE BAR SUPPLIED: | | |
COLOUR SCHEME: | | |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |