MANUFACTURED BY: |  | ECHO (KIORITZ CORPORATION) |
 | | YOKOSUKA, MORIOKA Japan |
SERIES OR ASSEMBLY NUMBER: | | |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1965 |
YEAR DISCONTINUED: | | |
ENGINE DISPLACEMENT: | | 61.5 ccm (3.75 cu. in.) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 48 mm (1.89 in.) |
PISTON STROKE: | | 34 mm (1.34 in.) |
PISTON RING THICKNESS: | | 2 rings used |
CYLINDER TYPE: | | Aluminum with CHROME plated bore |
INTAKE METHOD: | | Piston ported |
MANUFACTURER ADVERTISED H.P.: | | not advertised |
WEIGHT: | | 7.0 kg. (15.4 lbs.) powerhead only |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | Rigid |
CHAIN BRAKE: | | none |
CLUTCH: | | Centrifugal, 6 metal shoes |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Die cast MAGNESIUM |
MAGNETO TYPE: | | Flywheel type breaker point system |
CARBURETOR: | | Tillotson HS-25A |
MAJOR REPAIR KIT: | | RK-23HS |
MINOR REPAIR KIT: | | DG-5HS/T |
AIR FILTER SYSTEM: | | Flocked wire screen |
STARTER TYPE: | | Automatic rewind |
OIL PUMP: | | Automatic with manual assist |
MAXIMUM ENGINE RPM: | | |
IDLE RPM: | | |
IGNITION TIMING: | | 25 degrees before TDC |
BREAKER POINT SETTING: | | 0.3 to 0.4 mm (0.012 to 0.016 in) |
FLYWHEEL/COIL AIR GAP: | | |
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: | | 800 ml (27 fl. oz. |
FUEL OIL RATIO: | | 50:1 |
RECOMMENDED FUEL OCTANE: | | Regular automotive, 89 octane. ASPEN 2T fuel is best |
MIX OIL SPECIFICATION: | | Echo 2-stroke mix oil. |
CHAIN PITCH: | | 3/8 in., .050 gauge |
CHAIN TYPE: | | Oregon 72D, Carlton A1EP |
BAR MOUNT PATTERN: | | 10 link |
SHORTEST GUIDE BAR SUPPLIED: | | 30 cm (12 in.) |
LONGEST GUIDE BAR SUPPLIED: | | 61 cm (24 in.) |
COLOUR SCHEME: | | ECHO Orange woth Black top covers |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |