Husqvarna 45 Workshop Manual

Husqvarna 45 Workshop Manual Repair

Husqvarna 45 Workshop Manual for the Husqvarna chainsaw. Repair and service the 45 with this manual. The manual has diagrams and accurate information as used by mechanics and repair shops to troubleshoot and repair the chainsaw. View free page images online or download a full PDF that you can print or view on any suitable device.
The manuals have plenty of pictures and diagrams to help with repairs and servicing. May be used as a guide for other models as they may share key components such as motors.

More carburetor Manuals HERE and a 45 chainsaw parts list HERE. A chainsaw search (magnifier icon) at top of this page, as well as a 45 chainsaw repair help question and answer page HERE.

Husqvarna 45 Service Workshop Manual Contents

Index may vary with model number

Introduction, Specifications, Troubleshooting, Attachments, Air Filter, Carburetor, Crankcase, Clutch, Engine, Ignition, Starter, Servicing, Controls, Fuel System, Electrics, Special Tools.

This PDF manual helps you find the information you need quickly and easily. it provides a detailed description of for trouble shooting, repair and testing of the chain saw.

Husqvarna 45 Chainsaw Specifications

YEAR INTRODUCED: 1987
ENGINE DISPLACEMENT: 44cc (2.7 cu. in.)
CYLINDER BORE: 42mm (1.65 in.)
PISTON STROKE: 32mm (1.26 in.)
CYLINDER TYPE: Aluminum with chrome plated bore
INTAKE METHOD: Piston ported
MANUFACTURER ADVERTISED H.P.: 2.7 hp (2.0 kW)
WEIGHT: 4.7 kg (10.8 lbs.), powerhead only
SYSTEM: Anti-vibration
CHAIN BRAKE: inertia activated
CLUTCH: Centrifugal
DRIVE TYPE: Direct
CONSTRUCTION: Die cast magnesium
MAGNETO TYPE: Electronic, Phelon
CARBURETOR: Walbro WT-17A, 17D, Zama C1Q-EL1, C1Q-EL5
MAJOR REPAIR KIT: K20-WAT for Walbro, RB-45 for ZAMA
MINOR REPAIR KIT: D10-WAT for Walbro, GND-33 for ZAMA
AIR FILTER SYSTEM: Nylon mesh cartridge
STARTER TYPE: Husqvarna automatic rewind
OIL PUMP: Automatic
MAXIMUM ENGINE RPM: 12,500 max free after break in, 9,000 under load.
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: 0.5mm (0.020 in.)
CRANKSHAFT MAIN BEARINGS: Ball
FUEL TANK CAPACITY: 500 ml (16.9 fl. oz.)
FUEL OIL RATIO: 50:1
RECOMMENDED FUEL OCTANE: Regular
MIX OIL SPECIFICATION: Two-stroke chain saw mix oil, 50:1 with Husqvarna mix oil
CHAIN PITCH: .325 in.
BAR MOUNT PATTERN: 01 link
SHORTEST GUIDE BAR SUPPLIED: 33cm (13 in.)
LONGEST GUIDE BAR SUPPLIED: 46cm (18 in.)

Husqvarna 45 Service Workshop Manual Diagrams