MANUFACTURED BY: |  | REDMAX (KOMATSU ZENOAH) |
 | | NORCROSS, GA U.S.A. |
SERIES OR ASSEMBLY NUMBER: | | G621AV, G621AVSH |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1995 |
YEAR DISCONTINUED: | | after 2007 |
ENGINE DISPLACEMENT: | | 62 cc (3.78 cu. in.) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 47.5 mm (1.87 in.) |
PISTON STROKE: | | 35 mm (1.38 in.) |
PISTON RING THICKNESS: | | |
CYLINDER TYPE: | | Aluminum with chrome plated bore |
INTAKE METHOD: | | Piston ported |
MANUFACTURER ADVERTISED H.P.: | | |
WEIGHT: | | 6.8 kg (14.9 lbs.), powerhead only |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | Anti-vibration |
CHAIN BRAKE: | | Yes |
CLUTCH: | | Centrifugal |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Die cast magnesium, injection molded plastic |
MAGNETO TYPE: | | Electronic |
CARBURETOR: | | Walbro HDA-56B |
MAJOR REPAIR KIT: | | |
MINOR REPAIR KIT: | | |
AIR FILTER SYSTEM: | | Nylon mesh element |
STARTER TYPE: | | Automatic rewind |
OIL PUMP: | | Automatic, worm gear driven |
MAXIMUM ENGINE RPM: | | |
IDLE RPM: | | |
IGNITION TIMING: | | Fixed |
BREAKER POINT SETTING: | | none |
FLYWHEEL/COIL AIR GAP: | | 0.4 to 0.5 mm (0.016 to 0.020 in.) |
SPARK PLUG TYPE: | | Champion CJ7Y or RCJ7Y |
SPARK PLUG GAP: | | 0.60 to 0.70 mm (0.024 to 0.027 in.) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | 650 ml (22 fl. oz.) |
FUEL OIL RATIO: | | 50:1 |
RECOMMENDED FUEL OCTANE: | | Regular grade |
MIX OIL SPECIFICATION: | | REDMAX two-stroke mix oil |
CHAIN PITCH: | | 3/8 in. |
CHAIN TYPE: | | Oregon 76SL |
BAR MOUNT PATTERN: | | |
SHORTEST GUIDE BAR SUPPLIED: | | 40 cm (16 in.) |
LONGEST GUIDE BAR SUPPLIED: | | 61 cm (24 in.) |
COLOUR SCHEME: | | Red with Black air filter cover |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |