Stihl 041 Av Farm Boss Specs

mowisme

LawnSite Senior Member

I picked up a used Stihl (70/80's) Farm Boss 041 Chainsaw. Looks very clean for older one but..fires up and only can keep running about 30 sec. It evebtually loads up with gas and dies! If I keep air cleaner off so carb is completely exposed..seems to run slightly better and longer. There is a constant 'spiting' of gas or 'mist' of it coming out of mouth of carb while trying to start? seems like flooding after 2 pulls. then if starts get it to clear for few seconds then starts to load up again? Here is what I've done: 1) new plug 2) complete carb clean several times..and all new gasket kit. 3) new point's (set at .015) 4) replaced fuel line from tank to carb and pulsating line from carb to case. 5) pulled line and filter up out of tank and inspected very close..looks perfect as well as screen in filter. I don't think it is fuel delivery problem as fuel spits out onto my hand (with air cleaner off) and seems flooded always. It had 'spark' before replacing points..and does now with new ones..I'm wonering if this sounds like 'seal' problem? I almost wondering if the 'chain oil' somehow seeping into case..saw what looked like oil in cylinder while tore down- seemed to thick to be gas/oil mix..? any Ideas?..getting into too much money on this for a used saw. Thanks- Geno

Rebuilding the carb on a stihls 041 farm boss and showing how it works. Rebuilding the carb on a stihls 041 farm boss and showing how it works.
Stihl 041av manual pdf Stihl 031 av chainsaw fuel cap without keeper. Stihl 041 av parts manual Stihl 041 chainsaw Gaskets only kit Misc bin 1A Ready to ship. Proline® Oil Pump O-ring For Stihl 075, 076, 041, 041AV Farm Boss 9646 945 0340. Hi All Need help with STIHL 041AV CHAINSAW. Has anyone got A Manual in pdf Thanks in advance emmbez.
I have had several requests through PM's on a few of the older saws. I will continue to add the detail on them as the requests come in. This covers the oil pump repair on the STIHL 040, 041, 041 Farm Boss, 041 AV, 041 AVE, 041 Super.
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Stihl 041 Av Specifications

I have two 041 AV and one 050 AV there good starting and cutting saws old but cut like mad one of the 041 Av is a bow saw and love to use it needed a chain for it and went to the stihl dealer and let him cut and replace the chain only cost was the chain. That's the easy way to get a chain there are others chains out there but the dealer has the.

Stihl 041 AV Specifications And Manuals

Stihl 041 Av Super Specs

Stihl 041 AV Specifications information for Stihl chainsaw 041AV. A PDF workshop manual, parts list and a carburetor manual can be found here in the manuals section or by using the website search. A question and answer repair forum for the Stihl 041 AV chainsaw can be located HERE

Stihl 041 Farm Boss Specifications

Stihl 041 AV Specifications Information

Stihl 041 Av Farm Boss Specs

SERIES OR ASSEMBLY NUMBER: 1110
ENGINE DISPLACEMENT: 61ccm 93.72 cu. in.)
CYLINDER BORE: 44mm (1.73 in.)
PISTON STROKE: 40mm (1.57 in.)
CYLINDER TYPE: Aluminum with chrome plated bore
INTAKE METHOD: Piston ported
MANUFACTURER ADVERTISED H.P.: 5.5
WEIGHT: 16 lbs. with 13 in. bar & chain
CLUTCH: Centrifugal
DRIVE TYPE: Direct
CONSTRUCTION: Die cast magnesium
MAGNETO TYPE: Bosch
CARBURETOR:Tillotson HS-29A, B, C, D, HS-77A, B, C, HS-87A, HS-100A, HS-138A, HS-208A
MAJOR REPAIR KIT: RK-21HS for HS-87, HS100RK-23HS for HS-29, HS-77, HS-138, HS208
MINOR REPAIR KIT: DG-3HS/T for HS-87, HS100 DG-5HS/T for HS-29, HS-77, HS-138, HS-208
AIR FILTER SYSTEM: Nylon mesh element
STARTER TYPE:Stihl automatic rewind
OIL PUMP: Automatic
IGNITION TIMING: 0.095 to 0.102 in. before TDC
BREAKER POINT SETTING: 0.35 to 0.40mm (0.014 to 0.016 in.)
SPARK PLUG TYPE: Bosch WSR56F
SPARK PLUG GAP: 0.51mm (0.020 in.)
CRANKSHAFT MAIN BEARINGS: Ball
FUEL OIL RATIO: 40:1 with Stihl oil
RECOMMENDED FUEL OCTANE: Regular
MIX OIL SPECIFICATION: Stihl two-cycle chain saw mix oil
SHORTEST GUIDE BAR SUPPLIED: 33cm (13 in.)
LONGEST GUIDE BAR SUPPLIED: 63cm (25 in.)