MANUFACTURED BY: |  | REDMAX (KOMATSU ZENOAH) |
 | | NORCROSS, GA U.S.A. |
SERIES OR ASSEMBLY NUMBER: | | |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 2019 |
YEAR DISCONTINUED: | | |
ENGINE DISPLACEMENT: | | 40.9 ccm (2.5 cu. in.) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | |
PISTON STROKE: | | |
PISTON RING THICKNESS: | | 1 ring used (pn 544-4059-01) |
CYLINDER TYPE: | | Aluminum with Chrome impregnated bore |
INTAKE METHOD: | | Piston Ported |
MANUFACTURER ADVERTISED H.P.: | | 2.5 @ 9,000 rpm |
WEIGHT: | | 9.5 lbs. (4.3 Kg) powerhead only |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | Anti-Vibration using springs |
CHAIN BRAKE: | | Inertia activated |
CLUTCH: | | Centrifugal, 2 metal shoes |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Diecast Magnesium and injection molded polymer |
MAGNETO TYPE: | | Electronic flywheel type |
CARBURETOR: | | ZAMA C1T-EL41 506-4505-01 |
MAJOR REPAIR KIT: | | |
MINOR REPAIR KIT: | | 504-0286-01 |
AIR FILTER SYSTEM: | | Nylon mesh cartridge |
STARTER TYPE: | | Automatic rewind, replacement cord 505-3051-25 |
OIL PUMP: | | Automatic, fixed flow |
MAXIMUM ENGINE RPM: | | 9,000 under load |
IDLE RPM: | | 2,900 |
IGNITION TIMING: | | fixed |
BREAKER POINT SETTING: | | none |
FLYWHEEL/COIL AIR GAP: | | |
SPARK PLUG TYPE: | | NGK BPMR7A, Champion RCJ7Y |
SPARK PLUG GAP: | | 0.020 in |
CRANKSHAFT MAIN BEARINGS: | | Ball 544-2488-02 |
FUEL TANK CAPACITY: | | 370 ml (12.5 fl. oz.) |
FUEL OIL RATIO: | | 50:1 |
RECOMMENDED FUEL OCTANE: | | 89 |
MIX OIL SPECIFICATION: | | |
CHAIN PITCH: | | .325 in. .050 gauge |
CHAIN TYPE: | | Chisel |
BAR MOUNT PATTERN: | | |
SHORTEST GUIDE BAR SUPPLIED: | | 16 in. (40cm) |
LONGEST GUIDE BAR SUPPLIED: | | 18 in. (50 cm) |
COLOUR SCHEME: | | |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |