Husqvarna 150BT: faults, parts & manual

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Blowers & vacuums — Husqvarna

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Husqvarna

150BT

Petrol leaf blower. Spare parts with Husqvarna’s own order codes, and the troubleshooting chapter of the operator’s manual.

Photograph: a leaf blower. We hold no photograph of this exact machine, and we would rather say so than pass one off.
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What actually breaks

Open the problem that matches yours. Everything inside comes from the troubleshooting chapter of the operator’s manual Husqvarna publishes for this model — a 52-page document we read on 10 September 2026.

The engine is not possible to start 23 lines

Husqvarna sets this out as a table with the columns “Check”, “Possible cause”, “Solution”. We print the lines in the maker’s order.

  • Starter pawls.
  • Blocked or worn starter pawls.
  • Adjust or replace the starter pawl/s.
  • Clean around the starter pawl/s.
  • Speak to an approved servicing dealer.
  • Fuel tank.
  • Incorrect fuel type.
  • Drain the fuel tank and use correct fuel.
  • Carburetor.
  • Adjustment of the idle speed.
  • Adjust the idle speed with the idle adjustment screw.
  • Spark (no spark).
  • Spark plug is dirty or wet.
  • Make sure that the spark plug is dry and clean.
  • Electrode gap on the spark plug is incorrect.
  • Clean the spark plug. Make sure that the electrode gap is correct.
  • Refer to technical data for the correct electrode gap.
  • Spark plug.
  • Spark plug is loose.
  • Tighten the spark plug.
  • There is unwanted material on the spark plug electrodes.
  • Make sure that the fuel mixture is correct.
  • Make sure that the air filter is clean.
Engine starts but stops again 9 lines

Husqvarna sets this out as a table with the columns “Check”, “Possible cause”, “Solution”. We print the lines in the maker’s order.

  • Fuel tank.
  • Incorrect fuel type.
  • Drain the fuel tank and use the correct fuel.
  • Carburetor.
  • Engine will not operate correctly at idle speed.
  • Speak to your servicing dealer.
  • Air filter.
  • Clogged air filter.
  • Clean the air filter.

Why we quote instead of rewriting. The manual is laid out as a table. Read by machine, a PDF loses the boundaries between columns, and pairing a symptom with the wrong remedy would give you a page that is confidently wrong rather than obviously broken. So we keep the maker’s order and words, and tell you how the table is built. The manual itself is linked further down.

Parts & prices

Every code below is Husqvarna’s own, read from the maker’s parts pages for this exact model. The code is printed on the part itself — on a label, moulded into the plastic or stamped in the metal. Read it off the broken part and type it here to find it straight away.

COVER
531147166
🛒 Find this part
CASE
531147167
🛒 Find this part
FAN
531147168
🛒 Find this part
COVER
531147169
🛒 Find this part
SUPPORT
531147170
🛒 Find this part
REPAIR KIT
501424333
🛒 Find this part
COVER
531147171
🛒 Find this part
FRAME
531147172
🛒 Find this part
TUBE
531147174
🛒 Find this part
REPAIR KIT
501424346
🛒 Find this part
SWIVEL
531147165
🛒 Find this part
PIPE
531147164
🛒 Find this part
PIPE
531147163
🛒 Find this part
PIPE
531147162
🛒 Find this part
HANDLE
531147175
🛒 Find this part
HARNESS
531147173
🛒 Find this part
CAP
531147177
🛒 Find this part
GROMMET
531147178
🛒 Find this part
FUEL FILTER
531147179
🛒 Find this part
FUEL TANK
531147176
🛒 Find this part

We hold no photograph of the individual parts: Husqvarna does not publish them, and we would rather say so than show you the wrong picture. Prices are the maker’s United States list prices on the day we read them — an order of magnitude, not a quote. The buttons search shops in your own country, and those shops pay us a commission.

Where to buy

The search opens in your own country’s shop, in that shop’s language, with our tracking — the shop pays us a commission, you pay the same price.

TOOLS FOR THE JOB

Tools you’ll need

Chosen for this family, not a generic list. Prices and availability come from the shop in your country, with our tracking.

Specifications

Copied field for field from the manufacturer’s own product page on 10 September 2026, in the maker’s units. We do not convert them: a rounded conversion is how a torque figure quietly becomes wrong.

Cylinder displacement3.15 cu.inch
Output shaft power2.16 hp
Fuel tank volume1.26 l
Fuel Consumption466 g/kWh
Maximum power speed7,000 rpm
Idling speed2,520 rpm
Weight21.95 lbs
Air flow in housing765 cfm
Air flow in pipe452.03 cfm
Air speed (round nozzle)270 mph
Max Blow force22 N
Air speed174.93 mph
Sound pressure level at operators ear110 dB(A)
Sound power level, measured110 dB(A)
Sound power level, guaranteed (LWA)113 dB(A)
Nozzle typeRound
HarnessIntegrated
Vacuum KitNo
Equivalent vibration level (ahv, eq) handle6.1 m/s²
Exhaust emissions (CO₂ EU V)1,234.82 g/kWh

Manuals & documents

We link the maker’s documents instead of re-hosting them, so you always open the version Husqvarna is publishing today.

THE SAME BENCH

Other machines in this family

Machines in the same family for which we also have the maker’s codes, prices and troubleshooting chapter. The whole family →

Swipe for more →
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WHERE THIS COMES FROM, AND WHAT WE ARE MISSING

Our sources

What is missing, said plainly. We hold no photograph of this exact machine, no repair times and no failure statistics — nobody publishes those honestly. Prices are Husqvarna’s United States list prices and will differ in your country. We are not a dealer: we do not stock parts, and the buttons search shops that pay us a commission.

TroubleAtlas Technical Team · Compiled from manufacturer documents read on 10 September 2026 · Last checked 26 September 2026 · How we verify

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