MANUFACTURED BY: |  | SHIN-DAIWA KOGYO LTD. |
 |  | HIROSHIMA, JAPAN |
SERIES OR ASSEMBLY NUMBER: |  | |
SERIAL NUMBER PREFIX: |  | |
YEAR INTRODUCED: |  | |
YEAR DISCONTINUED: |  | |
ENGINE DISPLACEMENT: |  | 73.5 ccm (4.5 cu. in.) |
NUMBER OF CYLINDERS: |  | 1 with 2 ring silicon alloy piston |
CYLINDER BORE: |  | 51 mm |
PISTON STROKE: |  | 36 mm |
PISTON RING THICKNESS: |  | 2 rings used |
CYLINDER TYPE: |  | Aluminum with beaded Chrome plated bore |
INTAKE METHOD: |  | Piston ported |
MANUFACTURER ADVERTISED H.P.: |  | 5.6 |
WEIGHT: |  | 6.8 kg (14.9 lbs.) powerhead only |
OPERATOR CONFIGURATION: |  | One Man operation |
HANDLEBAR SYSTEM: |  | Anti-vibration |
CHAIN BRAKE: |  | Inertia activated |
CLUTCH: |  | Centrifugal, 3 metal shoes |
DRIVE TYPE: |  | Direct |
CONSTRUCTION: |  | Injection molded Polymer, die cast Magnesium |
MAGNETO TYPE: |  | Flywheel type CDI electronic |
CARBURETOR: |  | Walbro HDA-123 |
MAJOR REPAIR KIT: |  | K23-HDA |
MINOR REPAIR KIT: |  | D20-HDA replaces D14-HDA |
AIR FILTER SYSTEM: |  | Cellulose filter element |
STARTER TYPE: |  | Automatic rewind. Cord is 4 mm X 95 cm |
OIL PUMP: |  | Automatic piston pump, tank capacity 360 ml |
MAXIMUM ENGINE RPM: |  | 13,000 free no load |
IDLE RPM: |  | 2,500 |
IGNITION TIMING: |  | 28 degrees BTDC |
BREAKER POINT SETTING: |  | none |
FLYWHEEL/COIL AIR GAP: |  | 0.50 to 0.55 mm (0.020 to 0.022 in.) |
SPARK PLUG TYPE: |  | Champion CJ6Y, NGK BPM7A |
SPARK PLUG GAP: |  | 0.6 mm (0.024 in.) |
CRANKSHAFT MAIN BEARINGS: |  | 6202 and 6203 ball type |
FUEL TANK CAPACITY: |  | 770 ml (26 fl. oz.) |
FUEL OIL RATIO: |  | 40:1 |
RECOMMENDED FUEL OCTANE: |  | Unleaded of minimum 89. ASPEN2 pre mixed Alkylate fuel is best |
MIX OIL SPECIFICATION: |  | Shindaiwa oil. ASPEN synthetic oil is best |
CHAIN PITCH: |  | 3/8 in., optional .325 in. |
CHAIN TYPE: |  | Oregon 72LG |
BAR MOUNT PATTERN: |  | 09 link |
SHORTEST GUIDE BAR SUPPLIED: |  | 40 cm (16 in.) |
LONGEST GUIDE BAR SUPPLIED: |  | 71 cm (28 in.) |
COLOUR SCHEME: |  | Shindaiwa Red |
PAINT CODES: |  | |
ILLUSTRATED PARTS LIST: |  |  |
SERVICE MANUAL: |  |  |