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: 3071 early

MANUFACTURED BY:
PIONEER SAWS LTD.
PETERBOROUGH, ONTARIO, CANADA
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1971 before serial 696730
YEAR DISCONTINUED:
1972
ENGINE DISPLACEMENT:
3.96 cu. in. (65ccm)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
1.875 in. (47.6mm)
PISTON STROKE:
1.4375 in (36.5mm)
PISTON RING THICKNESS:
2 rings used
CYLINDER TYPE:
Aluminum with chrome plated bore
INTAKE METHOD:
Six reed valves
MANUFACTURER ADVERTISED H.P.:
not advertised
WEIGHT:
13 lbs. 8 oz. (6.01 kg)
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal, 3 shoe fiber
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast magnesium
MAGNETO TYPE:
Capacitor discharge system, Wico
CARBURETOR:
Pioneer no. 473462
Tillotson HS-116A, B
MAJOR REPAIR KIT:
Pioneer, no parts available
Tillotson RK-23HS
MINOR REPAIR KIT:
Pioneer, no parts available
Tillotson DG-5HS/T
AIR FILTER SYSTEM:
Flocked wire screen
STARTER TYPE:
Pioneer automatic rewind
OIL PUMP:
Automatic
MAXIMUM ENGINE RPM:
7,500 working speed
IDLE RPM:
where clutch disengages
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
none
FLYWHEEL/COIL AIR GAP:
0.012 in. (0.30 mm)
SPARK PLUG TYPE:
Champion CJ8
SPARK PLUG GAP:
.030 in. (0.76mm)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
28.8 fl. oz. (1.7 litres)
FUEL OIL RATIO:
32:1
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
Pioneer Oil
CHAIN PITCH:
3/8 in.
CHAIN TYPE:
Pioneer Duracut .058 gauge
BAR MOUNT PATTERN:
01 link
SHORTEST GUIDE BAR SUPPLIED:
16 in. (40cm)
LONGEST GUIDE BAR SUPPLIED:
28 in. (71cm)
COLOUR SCHEME:
Pioneer pale Yellow with Forest Green top cover
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
First Pioneer saw built with breakerless ignition system (CDI type)




 

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.