Home | Chain Saws | Chain Saw Chain | Bar Mount Patterns | Carburetors | Manufacturers | Trademarks | Collectors | Bulletins | Events | Stolen Saws | Chain Saw Age Reprints | Newsletter | Marketplace | Parts Sources | Cartoons | Links | Your Host



Model: GZ381

MANUFACTURED BY:
REDMAX (KOMATSU ZENOAH)
NORCROSS, GA U.S.A.
SERIES OR ASSEMBLY NUMBER:
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:

COMMENTS:




 

Reproduction of this World Wide Web Site in whole or in part is prohibited without permission.
Copyright © 2000-2021 MIKE ACRES - All rights are reserved.