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Model: F-48

MANUFACTURED BY:
FRONTIER CHAIN SAWS
TRAIL, BRITISH COLUMBIA, CANADA
SERIES OR ASSEMBLY NUMBER:
F-48 and FB-48
YEAR INTRODUCED:
1979
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
48 cc (2.9 cu. in.)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
42 mm (1.65 in.)
PISTON STROKE:
35 mm (1.37 in.)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with chrome plated bore
INTAKE METHOD:
Piston ported
MANUFACTURER ADVERTISED H.P.:
Not advertised
WEIGHT:
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Anti-vibration
CHAIN BRAKE:
Optional on FB-48 model
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast magnesium
MAGNETO TYPE:
Flywheel igntiion
CARBURETOR:
Tillotson HU-18C
Walbro WA type
MAJOR REPAIR KIT:
RK-14HU
K10-WAT
MINOR REPAIR KIT:
DG-2HU
D10-WAT
AIR FILTER SYSTEM:
Nylon mesh cartridge
STARTER TYPE:
Automatic rewind
OIL PUMP:
Automatic, cam operated pump
MAXIMUM ENGINE RPM:
7,500
IDLE RPM:
IGNITION TIMING:
BREAKER POINT SETTING:
FLYWHEEL/COIL AIR GAP:
SPARK PLUG TYPE:
SPARK PLUG GAP:
CRANKSHAFT MAIN BEARINGS:
FUEL TANK CAPACITY:
500 ml (16.9 fl. oz.)
FUEL OIL RATIO:
25:1
RECOMMENDED FUEL OCTANE:
Regular grade
MIX OIL SPECIFICATION:
Two-cycle chain saw mix oil
CHAIN PITCH:
.325 in.
CHAIN TYPE:
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
30 cm (12 in.)
LONGEST GUIDE BAR SUPPLIED:
40 cm (16 in.)
COLOUR SCHEME:
Orange and Black enamel
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
Unit built by JoBu in Norway. Model FB-48 equipped with chainbrake.

Colour photographs courtesy Alex Woolford

 

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