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: | | |