MANUFACTURED BY: |  | ECHO (YAMABIKO CORP) |
 | | OME JAPAN |
SERIES OR ASSEMBLY NUMBER: | | |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 2009 |
YEAR DISCONTINUED: | | current in 2023 |
ENGINE DISPLACEMENT: | | 30.5 ccm (1.861 cu. in.) |
NUMBER OF CYLINDERS: | | Air cooled, two-stroke, single cylinder gasoline engine |
CYLINDER BORE: | | 36 mm (1.417 in.) |
PISTON STROKE: | | 30 mm (1.181 in.) |
PISTON RING THICKNESS: | | 1 ring |
CYLINDER TYPE: | | Aluminum with Chrome plated bore |
INTAKE METHOD: | | Piston Ported |
MANUFACTURER ADVERTISED H.P.: | | not advertised |
WEIGHT: | | 4.0 kg (8.8 lbs.) powerhead only |
OPERATOR CONFIGURATION: | | One Man |
HANDLEBAR SYSTEM: | | Anti-Vibration |
CHAIN BRAKE: | | Inertia Activated |
CLUTCH: | | Centrifugal, 3 metal shoes, engages at 4,200 rpm |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Die cast Magnesium, injection molded polymer |
MAGNETO TYPE: | | CDI electronic |
CARBURETOR: | | Walbro WT-946 |
MAJOR REPAIR KIT: | | K27-WAT. Spiral Diaphragm upgrade Kit K1-WYTA |
MINOR REPAIR KIT: | | none |
AIR FILTER SYSTEM: | | Nylon mesh element |
STARTER TYPE: | | Automatic rewind, EZ start,
replacement cord 3.5 X 900 mm |
OIL PUMP: | | Automatic, adjustable gear driven |
MAXIMUM ENGINE RPM: | | 12,500 |
IDLE RPM: | | 3,200 |
IGNITION TIMING: | | Fixed |
BREAKER POINT SETTING: | | none |
FLYWHEEL/COIL AIR GAP: | | 0.3 to 0.4 mm |
SPARK PLUG TYPE: | | NGK BPMR8Y |
SPARK PLUG GAP: | | 0.6 mm (0.025 in.) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | 250 ml |
FUEL OIL RATIO: | | 50:1 |
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/FC, FD
ASPEN Synthetic mix oil is best |
CHAIN PITCH: | | (3/8 in. Low Profile) 0.050 gauge |
CHAIN TYPE: | | Carlton N1C-BL |
BAR MOUNT PATTERN: | | 03 link |
SHORTEST GUIDE BAR SUPPLIED: | | 30 cm (12 in.) |
LONGEST GUIDE BAR SUPPLIED: | | 40 cm (16 in.) |
COLOUR SCHEME: | | ECHO ORANGE enamel |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |