Husqvarna 136 Chainsaw Parts Manual

The Husqvarna 136 Chainsaw is a lightweight, professional-grade chainsaw designed for demanding cutting tasks. This parts manual provides detailed diagrams, part numbers, and ordering information for all components of the Husqvarna 136 chainsaw, including the engine assembly, cutting equipment, fuel system, ignition system, and housing. Below are key sections for identification, exploded views, parts lists, ordering, and maintenance.

1. Introduction & Safety 2. Model Identification 3. General Exploded View 4. Engine Assembly Parts 5. Fuel System Parts 6. Ignition System Parts 7. Cutting Equipment Parts 8. Housing & Handle Parts 9. Ordering Information 10. Maintenance Schedule 11. Troubleshooting Parts Issues

Introduction & Safety

This manual is intended for professional technicians and users for parts identification and replacement. Always prioritize safety when servicing your chainsaw.

Safety SymbolMeaning
⚠️ WARNINGIndicates a potentially hazardous situation which, if not avoided, could result in serious injury or death.
⚠️ CAUTIONIndicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury or damage to the product.
ℹ️ NOTEIndicates important information or tips for correct procedure.

WARNING! Always disconnect the spark plug before performing any maintenance or parts replacement to prevent accidental starting.

Model Identification

Locate the model and serial number plate on the rear of the saw, near the handle. Correct identification is crucial for ordering the right parts.

  1. Model: Husqvarna 136
  2. Type: 2-stroke, air-cooled engine
  3. Displacement: 36.3 cc
  4. Power Output: 1.8 kW (2.4 hp)
  5. Recommended Bar Length: 13" to 16" (33 cm to 40 cm)
  6. Fuel/Oil Mix: 50:1 (High-quality 2-stroke oil with unleaded gasoline)

NOTE: Parts may vary between serial number ranges. Always provide your full serial number when ordering.

General Exploded View

Reference diagram showing the major assemblies of the Husqvarna 136 chainsaw.

Engine Assembly Parts

Parts list for the core engine components.

Part No.DescriptionQty
501 87 41-01Cylinder, Complete1
537 23 40-01Piston Assembly (36.3cc)1
501 84 65-05Crankshaft1
501 87 43-01Crankcase, Upper1
501 87 44-01Crankcase, Lower1
503 85 96-01Main Bearing Set1
501 84 68-01Gasket Set, Complete1

CAUTION! Use a torque wrench when assembling engine components. Overtightening can cause damage.

Fuel System Parts

Parts for the carburetor, fuel lines, tank, and filter.

  1. Carburetor (Zama C1Q-S267): Includes diaphragm, gaskets, needle valve.
  2. Fuel Filter: In-tank filter (Part No. 501 83 75-01).
  3. Fuel Line: 3.5mm ID hose (Part No. 544 01 14-01).
  4. Primer Bulb: (Part No. 537 23 51-01).
  5. Air Filter: Pre-cleaner and main filter element (Part No. 503 80 93-01).

Tip: Replace fuel lines and filter annually to prevent clogging and engine issues.

Ignition System Parts

Components for spark generation and engine stopping.

Part No.Description
544 01 05-01Ignition Module (Coil)
501 84 71-01Spark Plug (NGK BPMR7A)
501 83 79-01Flywheel with Key
537 23 55-01Stop Switch
501 83 80-01Wiring Harness

NOTE: The ignition module is non-adjustable. Replace if no spark is present.

Cutting Equipment Parts

Parts for the guide bar, chain, clutch, and drive system.

  1. Guide Bar: Husqvarna 15" (38cm) .325" pitch, 1.5mm gauge (Part No. 531 00 04-71).
  2. Saw Chain: 72 Drive Links, .325" pitch, 1.5mm gauge (Part No. 531 00 08-72).
  3. Sprocket: Rim Sprocket, 7-tooth, .325" (Part No. 501 84 73-01).
  4. Clutch Assembly: Centrifugal clutch with drum (Part No. 544 01 12-01).
  5. Chain Tensioner: Screw and pinion assembly (Part No. 501 87 48-01).
  6. Chain Brake Band & Handle: (Part No. 537 23 58-01).

WARNING! Always use matched sets of bar, chain, and sprocket. Mismatched parts cause excessive wear and can be dangerous.

Housing & Handle Parts

External covers, handles, and vibration dampeners.

Ordering Information

How to order genuine Husqvarna parts.

  1. Identify the part number from this manual.
  2. Contact an authorized Husqvarna dealer.
  3. Provide the dealer with:
    • Model: Husqvarna 136
    • Serial Number (from the saw)
    • Part Number and Description
  4. For online support, visit www.husqvarna.com and use the parts lookup tool.

CAUTION! Using non-genuine or incorrect parts may void your warranty and compromise safety.

Maintenance Schedule

Recommended parts replacement intervals for optimal performance and safety.

ComponentCheck/Service IntervalReplace Interval
Air FilterDaily (in dusty conditions)When dirty or damaged
Spark Plug-100 operating hours or annually
Fuel Filter-Annually
Chain & BarSharpen chain daily; check bar grooveWhen worn or damaged
Sprocket (Rim)Inspect when changing chainEvery 2-3 chains
AV MountsInspect for cracksIf cracked or deteriorated

Troubleshooting Parts Issues

Common problems related to parts wear or failure.

SymptomPossible Faulty PartCorrective Action
Engine won't start, no sparkIgnition module, spark plug, stop switch wireCheck for spark. Replace spark plug first. If no spark, test/replace ignition module.
Engine starts but dies or runs poorlyFuel filter, fuel line, carburetor diaphragm/gasketsReplace fuel filter and lines. Rebuild or replace carburetor.
Excessive vibrationWorn AV mounts, unbalanced flywheel, loose partsInspect and replace AV mounts. Tighten all screws. Check flywheel key.
Chain does not turn or turns slowlyWorn clutch/sprocket, damaged drive shaft, improper chain tensionInspect clutch springs and shoes. Replace sprocket. Check drive shaft for damage.
Oil leaking from sawCracked oil tank, damaged oil line, faulty oil pumpIdentify source. Replace oil tank, line, or pump as needed.

Service: For complex repairs, contact an authorized Husqvarna service dealer. Find a dealer at www.husqvarna.com.

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