Husqvarna 281 Workshop Manual

Husqvarna 281 Workshop Manual Repair

Husqvarna 281 Workshop Manual for the Repair and service of the Husqvarna 281 chainsaw. The PDF workshop service manual has accurate, easy to understand information and diagrams to help repair and service the chainsaw. Service Information to help you to troubleshoot, repair and fix the Husqvarna 281 chainsaw. View pages online or download a complete PDF service manual that you can easily save, print or view on any device.

Husqvarna 281 Workshop Manual Contents

Contents, Introduction, Safety Regulations, Symbols, Technical data, Service tools, Service data, Safety equipment, Starter, Electrical system, Centrifugal clutch, Lubrication system, Carburetor, Tank unit, Anti-vibration system, Piston and cylinder, Crankcase and crankshaft, Troubleshooting, Repair Instructions.

Carburetor – General Chainsaw Adjustment

Adjusting the carburettor involves adjusting the engine to the local conditions e.g. climate, altitude, fuel and type of two-stroke oil. The carburettor is equipped with three adjustment options.
L = Low speed jet
H = High speed jet
T = Idling adjustment screw

The L and H jets adjust the fuel flow to match the airflow that the throttle valve opening allows. Turning them clockwise makes the fuel/air mixture weaker (less fuel in relation to the amount of air) and turning them anti-clockwise makes the fuel/air mixture richer. A weak mixture increases the engine speed and a rich mixture decreases the engine speed. The T screw controls the throttle position when idling. Turning the T screw clockwise gives faster idling; turning it anti-clockwise lowers idling speed (see manual for complete guide).

See the complete service workshop manual, carburetor manual, parts list, operator manual and technical supplements PDF downloads. Also the repair and service articles available on this website for more information on how to service, repair and find parts for the chainsaw.

Husqvarna 281 Chainsaw Specifications

ENGINE DISPLACEMENT: 81 cc (4.9 cu. in.)
CYLINDER BORE: 52 mm (2.05 in.)
PISTON STROKE: 38 mm (1.49 in.)
CYLINDER TYPE: Aluminum with a chrome-plated bore

MANUFACTURER ADVERTISED H.P.: 5.7 (4.2 kW)
WEIGHT: 6.8 kg (15 lbs.), powerhead only
CHAIN BRAKE: Inertia activated
CLUTCH: Centrifugal
DRIVE TYPE: Direct
CONSTRUCTION: Die-cast magnesium, injection-moulded plastic
MAGNETO TYPE: Electronic SEM AM7
CARBURETOR: Tillotson HS-228A, B, C series

MAXIMUM ENGINE RPM: 9,000, 12,500 max free after break-in
IDLE RPM: 2,500
IGNITION TIMING: fixed
BREAKER POINT SETTING: none
FLYWHEEL/COIL AIR GAP: 0.30 mm (0.012 in.)
SPARK PLUG TYPE: Bosch WSR7F/WS7F, NGK BPMR7A, Champion RCJ7Y
SPARK PLUG GAP: 0.50 mm (0.020 in.)

FUEL TANK CAPACITY: 900 ml (30.4 fl. oz.)
FUEL OIL RATIO: 50:1
RECOMMENDED FUEL OCTANE: Regular grade
MIX OIL SPECIFICATION: Electrolux approved oil, Husqvarna mix oil
CHAIN PITCH: 3/8 in.
SHORTEST GUIDE BAR SUPPLIED: 40 cm (16 in.)
LONGEST GUIDE BAR SUPPLIED: 91 cm (36 in.)

Read the Husqvarna 281 Workshop Manual for more chainsaw specs.

The 281 (now replaced with the 281 XP) is the little brother of the 288xp (81 vs. 87cc), and has a very good reputation. They are good pro saws, reasonably heavy but are more or less bullet proof.

Husqvarna 281 Workshop Manual PDF

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