MANUFACTURED BY: |  | ECHO (KIORITZ CORPORATION) |
 | | YOKOSUKA, MORIOKA Japan |
SERIES OR ASSEMBLY NUMBER: | | |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1986 |
YEAR DISCONTINUED: | | |
ENGINE DISPLACEMENT: | | 61.0 ccm (3.72 cu. in.) |
NUMBER OF CYLINDERS: | | Air cooled, two-stroke, twin cylinder gasoline engine |
CYLINDER BORE: | | 36 mm (1.417 in.) |
PISTON STROKE: | | 30 mm (1.181 in.) |
PISTON RING THICKNESS: | | 2 rings used |
CYLINDER TYPE: | | Aluminum with CHROME plated bore |
INTAKE METHOD: | | Reed valves |
MANUFACTURER ADVERTISED H.P.: | | not advertised |
WEIGHT: | | 6.9 kg (15.2 lbs.) powerhead only |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | Anti-vibration |
CHAIN BRAKE: | | none |
CLUTCH: | | Centrifugal |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Die cast MAGNESIUM |
MAGNETO TYPE: | | CD Electronic |
CARBURETOR: | | Walbro HDA |
MAJOR REPAIR KIT: | | K10-HDA |
MINOR REPAIR KIT: | | D10-HDA |
AIR FILTER SYSTEM: | | Flocked wire screen element |
STARTER TYPE: | | Automatic rewind |
OIL PUMP: | | Automatic worm gear driven with manual override |
MAXIMUM ENGINE RPM: | | |
IDLE RPM: | | |
IGNITION TIMING: | | fixed |
BREAKER POINT SETTING: | | none |
FLYWHEEL/COIL AIR GAP: | | 0.3 mm (0.012 in.) |
SPARK PLUG TYPE: | | NGK BPM7A, Champion CJ6Y |
SPARK PLUG GAP: | | 0.63 mm (0.025 in.) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | 610 ml (20.6 fl. oz.) |
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., 0.050 gauge |
CHAIN TYPE: | | Carlton A1EP or A1LM |
BAR MOUNT PATTERN: | | 10 link |
SHORTEST GUIDE BAR SUPPLIED: | | 40 cm (16 in.) |
LONGEST GUIDE BAR SUPPLIED: | | 60 cm (24 in.) |
COLOUR SCHEME: | | Orange with black air filter cover and handle covers |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |