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: 261

MANUFACTURED BY:
OLEO-MAC
REGGIO EMILIA, ITALY
SERIES OR ASSEMBLY NUMBER:
22
YEAR INTRODUCED:
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
61cc (3.7 cu. in.)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
47mm (1.85 in.)
PISTON STROKE:
35mm (1.38 in.)
CYLINDER TYPE:
Aluminum with chrome impregnated bore
INTAKE METHOD:
Piston ported
MANUFACTURER ADVERTISED H.P.:
7.5 SAE
WEIGHT:
8.2kg with 46cm bar & chain
18 lbs. with 18 in. bar & chain
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal, engages @ 3000 rpm
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast magnesium
MAGNETO TYPE:
CEV breaker point system
CARBURETOR:
Tillotson HS-128B
MAJOR REPAIR KIT:
RK-23HS
MINOR REPAIR KIT:
DG-5HS/T
AIR FILTER SYSTEM:
Flocked wire screen
STARTER TYPE:
Automatic rewind
OIL PUMP:
Automatic, worm gear driven, adjustable
MAXIMUM ENGINE RPM:
IDLE RPM:
IGNITION TIMING:
2.6mm (0.102 in.) before TDC
BREAKER POINT SETTING:
0.45mm (0.017 in.)
FLYWHEEL/COIL AIR GAP:
SPARK PLUG TYPE:
Bosch WKA 175 T6, Champion CJ7Y
SPARK PLUG GAP:
0.5mm (0.020 in.)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
1 litre (35.18 Imp. Oz.)
FUEL OIL RATIO:
40:1
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
Two-stroke chain saw mix oil
CHAIN PITCH:
3/8 in.
CHAIN TYPE:
Oregon
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
40cm (16 in.)
LONGEST GUIDE BAR SUPPLIED:
51cm (20 in.)
COLOUR SCHEME:
Orange enamel with Black handles and air filter cover
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 © 2000-2019 MIKE ACRES - All rights are reserved.