Stihl 051 AV Specifications

Stihl 051 AV Specifications information

Stihl 051 AV Chainsaw Specifications

Stihl 051 AV Specifications for Stihl 051AV chainsaws, Find detailed specs information for the Stihl chainsaw including engine, fuel system, Carburetor, ignition system, chain lubrication,Torque settings and cutting attachments.

Stihl 051 AV Chainsaw Specs

ENGINE DISPLACEMENT: 89ccm (5.34 cu. in.)
CYLINDER BORE: 52mm (2.05 in.)
PISTON STROKE: 42mm (1.65 in.)
CYLINDER TYPE: Aluminum with chrome plated bore
INTAKE METHOD: Piston ported
MANUFACTURER ADVERTISED H.P.: 5.8
WEIGHT: 10.5kg with 35cm bar & chain, 23 Lbs. with 17 in. bar & chain
HANDLEBAR SYSTEM: Anti-vibration
CHAIN BRAKE: No
CLUTCH: Centrifugal
DRIVE TYPE: Direct
CONSTRUCTION: Die cast magnesium
MAGNETO TYPE: Bosch electronic
CARBURETOR: Tillotson HS-60A, B, C, D, E series
MAJOR REPAIR KIT: RK-21HS for C, D, E and RK-23HS for A, B
MINOR REPAIR KIT: DG-5HS/T
AIR FILTER SYSTEM: Wire gauze element
STARTER TYPE: Stihl automatic rewind
OIL PUMP: Automatic
IGNITION TIMING: 2.5mm (0.1 in.) before TDC
BREAKER POINT SETTING: none
SPARK PLUG TYPE: Bosch WSR6F, Champion RCJ7Y
SPARK PLUG GAP: 0.51mm (0.020 in.)
CRANKSHAFT MAIN BEARINGS: Ball
FUEL TANK CAPACITY: 900ml (1.9 U.S. Pints)
FUEL OIL RATIO: 40:1 with Stihl Chain Saw mix oil
RECOMMENDED FUEL OCTANE: Regular
MIX OIL SPECIFICATION: Stihl Two-cycle chain saw mix oil
CHAIN PITCH: 3/8 in. optional .404 in.
CHAIN TYPE: Stihl or alternative
SHORTEST GUIDE BAR SUPPLIED:
35cm (17 in.)
LONGEST GUIDE BAR SUPPLIED:
75cm (30 in.)

Stihl 051 AV Specifications Carburetor

Replace carburetor with Tillotson or Walbro carb:

Tillotson Carburetor Models: HS-60D
Walbro Carburetor Models: WS-11

Piston Ring Size: Piston Ring (52mm x 1.5mm)

Replace spark plug with Bosch WSR6F,  Champion RCJ6Y and NGK BPMR7A.

Covers all models and dates of manufacture (which was only a few years!).

Stihl 051 AV Specifications information can be found in Carburetor Manuals HERE and a Stihl 051AV chainsaw workshop manual HERE. Stihl Parts list HERE a chainsaw search (magnifier icon) at top and bottom of this page, as well as a chainsaw repair help question and answer page HERE.