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Chainsaw

Stihl MS 194 T

2-Stroke

The Stihl MS 194 T is a 31.8cc 2-stroke top-handle chainsaw and the step above the MS 192 T in Stihl's arborist lineup. Like all top-handle saws, it is designed for use in an arborist harness during aerial tree work. An M-Tronic variant automatically adjusts carburetion for altitude and fuel quality without manual tuning. The MS 194 T runs a Zama carburetor. Common maintenance items include spark plug, air filter, and fuel lines. The Zama diaphragm wears faster with ethanol-blend fuels common in commercial arborist operations.

Verify before ordering: Fitment can vary by serial number, production date, region, and sub-model. Match the OEM number and physical dimensions before ordering.

Stihl MS 194 T quick specs

Equipment
Chainsaw · 2-Stroke
Covered Parts
Spark Plug, Air Filter, Fuel Filter, Carburetor, Recoil Starter, Ignition Coil, Primer Bulb, Fuel Line Kit, Chain, Guide Bar
OEM References
0000 400 7011, 1137 120 1604, 0000 350 3502, 1137 120 0621, 1137 080 2115, 1137 400 1310, 4130 350 6200, 1137 358 7702
Model Family
MS 192 T, MS 194 T
Data Confidence
Not yet independently reviewed

Quick Fitment

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Tune-Up Kit

Common service bundle: spark plug, air filter, fuel filter, carburetor, primer bulb, fuel line kit.

Maintenance Interval

Inspect filters and fuel lines each season, replace spark plugs during annual service, and service carb/fuel-system parts when starting or idle symptoms appear.

Before You Buy

  • Confirm the full model is Stihl MS 194 T, not just the family name.
  • Check serial number, production date, and regional variant before ordering.
  • Match the old OEM number stamped on the removed part when available.
  • Compare dimensions, plug gap, thread, fuel line diameter, or chain pitch/gauge where applicable.

Common Mistakes

  • Ordering from a family listing without checking the exact sub-model.
  • Buying a kit that includes the headline part but wrong gaskets, lines, or bulb size.
  • Choosing the wrong carburetor revision when multiple versions were used.
  • Assuming all fuel line kits use the same diameter and routing.
  • Installing the correct plug number with the wrong gap.
  • Matching bar length but missing pitch, gauge, or drive-link count.

Symptoms Map

Won't start

Spark plug, fuel filter, primer bulb, carburetor

Starts then dies

Fuel filter, fuel line kit, carburetor

Bogs under throttle

Air filter, carburetor, spark plug gap

Primer will not fill

Primer bulb, fuel line routing, in-tank filter

Cuts slowly

Chain pitch/gauge, bar wear, drive links

Replacement Options

Best OEM equivalent

Start with OEM references 0000 400 7011, 1137 120 1604, 0000 350 3502, 1137 120 0621 and match the removed part before choosing a listing.

Named part options

Cross-check named parts such as NGK CMR6H (spark plug), Zama C1Q-S621 (carburetor), Zama BG-00-4 (primer bulb) against the OEM number, identity label, and dimensions.

Best for annual tune-up

Bundle spark plug, air filter, fuel filter when servicing the Stihl MS 194 T at the start of the season.

Best if replacing fuel system

Compare the fuel filter, carburetor, primer bulb, fuel line kit together so line routing, bulb size, filter style, and carburetor connections match.

Best chain/bar combo

Match chain specs together, especially pitch, gauge, drive links, and bar mount details.

Best budget kit

Use kit listings only when every included part matches this model page; cheap kits often mix correct headline parts with wrong bulbs, lines, or gaskets.

FAQ

Should I buy OEM or aftermarket parts for the Stihl MS 194 T? Use OEM when the part controls fuel metering, ignition, or safety. Aftermarket kits can be useful for routine filters, bulbs, plugs, and tune-up bundles when the OEM number and dimensions match.

How do I avoid ordering the wrong carburetor for the MS 194 T? Match the carburetor number stamped on the removed unit, then compare linkage, choke setup, primer routing, gasket stack, and fuel-inlet direction.

What should I check before replacing fuel-system parts? Photograph the old fuel-line routing, match line diameter and filter style, and compare primer bulb size before buying a kit.

What chain details matter besides bar length? Match pitch, gauge, and drive-link count against the bar stamp, old chain, and drive sprocket. Bar length alone is not enough.

As an Amazon Associate, WhichPartFits earns from qualifying purchases. Match the OEM number, dimensions, and model variant before buying.

Spark Plug

OEM0000 400 7011
Dimensions
NGK CMR6H; 0.5mm gap

Air Filter

OEM1137 120 1604
Variant notes
Fits MS 193 T and MS 194 T
  • No named part listing is published for this part yet. Use the OEM reference and verify with a dealer or service manual before ordering.

Fuel Filter

OEM0000 350 3502
Variant notes
In-tank pickup fuel filter
  • No named part listing is published for this part yet. Use the OEM reference and verify with a dealer or service manual before ordering.

Carburetor

OEM1137 120 0621
Variant notes
Zama IntelliCarb compensating carburetor; automatically adjusts air/fuel ratio when filter restricts

Recoil Starter

OEM1137 080 2115
Variant notes
Fits MS 194 T
  • No named part listing is published for this part yet. Use the OEM reference and verify with a dealer or service manual before ordering.

Ignition Coil

OEM1137 400 1310
Variant notes
Fits MS 194 T and MS 194 C-E
  • No named part listing is published for this part yet. Use the OEM reference and verify with a dealer or service manual before ordering.

Primer Bulb

OEM4130 350 6200
Variant notes
Fuel pump primer bulb

Fuel Line Kit

OEM1137 358 7702
Variant notes
Fuel pickup line; fits MS 193 T and MS 194 T
  • No named part listing is published for this part yet. Use the OEM reference and verify with a dealer or service manual before ordering.

Chain

OEMSpec-based fitment
Dimensions
14", 3/8" LP pitch, .043" gauge, 50 drive links
Variant notes
Stock bar length 14"; verify drive link count matches your bar

Guide Bar

OEMSpec-based fitment
Dimensions
14", 3/8" LP pitch, .043" gauge