Husqvarna 136 Parts Manual

The Husqvarna 136 is a lightweight, professional-grade chainsaw designed for demanding users. This parts manual provides detailed information on the components, assembly, maintenance, and replacement parts for the Husqvarna 136 chainsaw. Below are key sections covering identification, major assemblies, engine components, cutting equipment, maintenance, and ordering information.

1. Identification & Specifications 2. Major Assemblies 3. Engine Components 4. Fuel & Ignition System 5. Cutting Equipment & Bar 6. Handle & Safety Features 7. Maintenance Schedule 8. Disassembly & Assembly 9. Torque Specifications 10. Parts Ordering 11. Troubleshooting & Warranty

Identification & Specifications

Key identifiers: Model number (136), Serial number location (on crankcase), Production year code.

Specification	Description
Engine Type	2-stroke, single cylinder, air-cooled
Displacement	36.3 cm³ (2.21 cu.in.)
Power Output	1.8 kW (2.4 hp)
Fuel Tank Volume	0.47 liter (0.12 US gal)
Oil Tank Volume	0.26 liter (0.07 US gal)
Recommended Bar Length	13" - 16" (33 cm - 40 cm)
Chain Pitch	3/8" or .325"
Weight (powerhead)	4.7 kg (10.4 lbs)
Ignition System	Electronic, capacitor discharge
Spark Plug	NGK BPMR7A (Champion RCJ7Y)

Major Assemblies

Exploded view diagrams with part numbers for main assemblies.

Crankcase Assembly: Includes crankcase halves, bearings, seals, and screws.
Cylinder & Piston Assembly: Cylinder, piston, rings, wrist pin, and clips.
Carburetor Assembly: Zama C1Q or Walbro equivalent with gaskets and linkages.
Clutch & Sprocket Assembly: Centrifugal clutch, drum, rim sprocket, and needle bearing.
Starter Assembly: Recoil starter, pulley, spring, and rope.

WARNING! Always disconnect the spark plug boot before disassembling any major assembly to prevent accidental starting.

Engine Components

Detailed list of internal engine parts with Husqvarna part numbers.

Crankshaft: Complete assembly with connecting rod and bearings.
Cylinder: Includes decompression valve and cylinder bolts.
Piston: 40 mm diameter, with piston rings and wrist pin.
Crankcase Seals: Oil seals for crankshaft (flywheel and clutch side).
Bearings: Main bearings (6202 C3 and 6201 C3).

CAUTION! Use genuine Husqvarna gaskets and seals during reassembly to prevent air leaks and engine damage.

Fuel & Ignition System

Fuel System: Fuel tank, cap, filter, fuel lines, and carburetor repair kit.
Ignition Module: Electronic control unit (ECU) and flywheel.
Spark Plug Boot: High-tension lead and boot.
Stop Switch: Wiring harness and switch assembly.
Air Filter: Dual-stage filter element and cover.

Cutting Equipment & Bar

Parts for guide bar, chain, and drive system.

Guide Bar: Husqvarna H30-72 (15") or H30-84 (16") .325 pitch, .058 gauge. Chain: 72 drive links for 15" bar, 84 drive links for 16" bar. Sprocket: Rim sprocket (part # 503 88 96-01 for .325"). Clutch: Drum, shoes, and springs. Bar Mounts: Nuts, washers, and tensioning system components.

Handle & Safety Features

Front handle, rear handle, antivibration system, and safety components.

Turn off chainsaw and allow to cool before handling.
Inspect handle for cracks and antivibration mounts for wear.
Replace throttle trigger, lockout, and throttle cable as an assembly if damaged.

Tip: Regularly check the chain brake mechanism and front hand guard for proper operation.

Maintenance Schedule

Recommended service intervals for optimal performance.

Daily: Clean air filter, check chain tension and sharpness.
Weekly: Clean cooling fins, check spark plug condition.
Monthly: Clean fuel filter, inspect fuel lines, check clutch drum wear.
Annually: Replace spark plug, clean carburetor, check crankcase seals.
As Needed: Replace worn sprocket, bar, chain, and antivibration mounts.

WARNING! Use only Husqvarna XP® 2-stroke oil or equivalent high-quality oil at a 50:1 mix ratio with fresh unleaded gasoline (min 90 octane).

Disassembly & Assembly

Key steps for engine disassembly and reassembly.

Remove top cover, air filter, and carburetor.
Remove clutch and flywheel using appropriate pullers.
Separate crankcase halves after removing all screws.
Replace bearings and seals, reassemble with new gaskets.
Torque crankcase screws in a crisscross pattern to specified values.

CAUTION! Mark all parts and connections during disassembly. Use a service manual for detailed procedures.

Torque Specifications

Critical fastener torque values (Nm / in-lbs).

Component	Torque (Nm)	Torque (in-lbs)
Cylinder Bolts	10-12	88-106
Crankcase Screws	8-10	71-88
Clutch Nut	35-40	310-354
Flywheel Nut	40-45	354-398
Spark Plug	25-30	221-265
Guide Bar Nuts	9-11	80-97

Parts Ordering

How to identify and order genuine Husqvarna parts.

Always provide the model number (136) and serial number when ordering. Use the illustrated parts list (IPL) for accurate part numbers. Order from authorized Husqvarna dealers or the official Husqvarna website.

Troubleshooting & Warranty

Symptom	Possible Cause	Corrective Action
Engine will not start	Fuel, spark, compression	Check fuel mix, spark plug, fuel filter, carburetor diaphragm.
Engine runs poorly	Air leak, clogged filter	Inspect crankcase seals, fuel lines, clean air filter.
Chain does not turn	Clutch, sprocket, brake	Check clutch springs for wear, sprocket for damage, disengage chain brake.
Excessive vibration	AV mounts, balance	Replace worn antivibration mounts, check for bent crankshaft.
Oil not feeding	Oil pump, passages	Clean oil passages, check pump drive, adjust oil flow screw.

Warranty: Refer to your local Husqvarna warranty terms. Typically 1-2 years for consumer use.

Service: Contact an authorized Husqvarna service dealer. For support, visit www.husqvarna.com.