USED UNIT STIHL 041 AV FARM BOSS

-Specs-
Engine & Performance

Engine Type: Single-cylinder, two-stroke gasoline engine

Displacement: ~61 cc (3.72 cu in)

Bore × Stroke: ~44 mm × 40 mm

Power Output: ~3.5–4 hp range (estimated)

Ignition: Magneto with breaker points (some later versions were electronic)

Max RPM (approx): 11,000 rpm

Idle Speed: ~2,800 rpm

Fuel & Lubrication

Fuel System: Basic diaphragm carburetor

Fuel Tank Capacity: ~620 ml (~21 fl oz)

Fuel/Oil Mix: ~40:1 gasoline to two-stroke oil (varies by recommendation)

Oil Pump: Automatic, adjustable gear-driven

Cutting System

Chain Pitch: 3/8″ (standard)

Guide Bar Length Range: Typically 16″–25″ (40 – 63.5 cm)

Chain Type: Compatible Stihl Farm Boss/standard 3/8″ chain

Weight & Construction

Weight (powerhead only): ~6.8 kg (~15 lbs)

Construction Material: Die-cast magnesium engine/gear housing

Handlebar: Rigid handle (common for saws of this era)

STIHL 041 AV FARM BOSS