Stihl 090 Service Workshop Manual Repair
Stihl 090 Service Workshop Manual for the Repair and service of 090 chainsaws. The PDF manual has clear and concise diagrams and detailed information to troubleshoot and repair the chainsaw. View free page images online or download a complete PDF manual that you can easily save, print or view on all devices.
What’s covered in the Stihl 090 Workshop Manual
PDF manuals cover every subject with detailed descriptions of repair and servicing methods specific to the 090 chainsaws including troubleshooting the carburetor, clutch, Chain Drive, Chain Lubrication and Tensioner, fuel, Starter, and the ignition system. Complete disassembly and assembly of all parts are described in detail. A still carburetor manual and parts list is included in the download.
Detailed Description of Stihl 070 Workshop Manual
Specifications, Troubleshooting Chart, Carburetor removal and installation, Carburetor Repair, Clutch, Chain Brake, Pistons, Engine, Ignition system, Starter, Servicing, Controls, Fuel System, Attachments and Special Tools.
This manual helps you with the information you need quickly and easily.
Stihl 090 Chainsaw Specifications
STIHL single-cylinder two-stroke engine
SERIES OR ASSEMBLY NUMBER: 1109
ENGINE DISPLACEMENT: 137ccm (8.36 cu. in.)
NUMBER OF CYLINDERS: 1
CYLINDER BORE: 66mm (2.6 in.)
PISTON STROKE: 40mm (1.57mm)
CYLINDER TYPE: Aluminum with a chrome-plated bore
INTAKE METHOD: Piston ported
WEIGHT: 14.7kg with 53cm bar & chain 32.4 lbs. with 21 in. bar & chain
HANDLEBAR SYSTEM: Anti-vibration
CHAIN BRAKE: none
CLUTCH: Centrifugal
DRIVE TYPE: Direct
CONSTRUCTION: Die-cast magnesium
MAGNETO TYPE: Bosch electronic
CARBURETOR: Tillotson HL-244A, HL-324A series
MAJOR REPAIR KIT: RK-113HL
MINOR REPAIR KIT: DG-5HL
AIR FILTER SYSTEM: Nylon mesh cartridge
STARTER TYPE: Stihl automatic rewind
OIL PUMP: Automatic with a manual assist
MAXIMUM ENGINE RPM: 8,000
IGNITION TIMING: fixed
BREAKER POINT SETTING: none
SPARK PLUG TYPE: Bosch WSR6F
SPARK PLUG GAP: 0.5mm (0.020 in.)
CRANKSHAFT MAIN BEARINGS: Needle roller
FUEL TANK CAPACITY: 2.29 pints
FUEL OIL RATIO: 40:1 with Stihl oil
RECOMMENDED FUEL OCTANE: Regular
MIX OIL SPECIFICATION: Stihl two-cycle chain saw mix oil
CHAIN PITCH: .404 in. optional 1/2 in.
CHAIN TYPE: Stihl
SHORTEST GUIDE BAR SUPPLIED: 53cm (21 in.)
LONGEST GUIDE BAR SUPPLIED: 150cm (59 in.)
Stihl 090 Workshop Manual PDF
(PDF manual preview lower resolution version)
* Online preview