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PP4620AVX Carburetor For HUA Chainsaw Models 36 41 136 137 141 142 W-29 WT-268 C1Q-W29E Lawn Mower Accessories
PP4620AVX Carburetor For HUA Chainsaw Models 36 41 136 137 141 142 W-29 WT-268 C1Q-W29E Lawn Mower Accessories
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PP4620AVX Carburetor — For Husqvarna Chainsaw Models 36 / 41 / 136 / 137 / 141 / 142, Replaces W-29 / WT-268 / C1Q-W29E
OEM-specification replacement carburetor for Husqvarna small chainsaw models 36, 41, 136, 137, 141, and 142, cross-referencing Walbro part numbers W-29, WT-268, and Zama part number C1Q-W29E. The PP4620AVX carburetor restores correct fuel-air mixture delivery to the engine, resolving hard starting, rough idling, poor acceleration, and fuel starvation issues caused by a worn, clogged, or damaged original carburetor. Direct bolt-on replacement with no modification required.
Part Number Cross-Reference
| Brand | Part Number |
|---|---|
| Aftermarket | PP4620AVX |
| Walbro | W-29, WT-268 |
| Zama | C1Q-W29E |
| Husqvarna OEM | Verify against model serial number |
Compatible Chainsaw Models
| Brand | Models |
|---|---|
| Husqvarna | 36, 41, 136, 136LE, 137, 137E, 141, 142, 142E |
| Jonsered | CS2137, CS2141 (verify against serial number) |
Technical Specifications
| Parameter | Value |
|---|---|
| Carburetor Type | Diaphragm (Walbro WT / Zama C1Q series) |
| Fuel Type | 2-stroke petrol / gasoline (mixed with 2-stroke oil) |
| Choke Type | Manual choke |
| Inlet | Direct bolt-on to engine intake manifold |
| Adjustment Screws | Low (L) and High (H) needle screws |
| Certification | CE |
Typical Applications
- Hard Starting: Replace a worn or gummed carburetor that causes the chainsaw to require excessive pulls to start, especially after storage
- Rough Idle / Stalling: Restore smooth idle and prevent stalling under load caused by incorrect fuel-air mixture from a worn carburetor diaphragm or needle
- Poor Acceleration: Fix hesitation and bogging under throttle caused by a clogged or damaged high-speed needle circuit
- Fuel Leaking: Replace a carburetor with a cracked body or failed diaphragm that is leaking fuel into the air filter or engine
- Seasonal Maintenance: Proactive carburetor replacement as part of a full seasonal service on high-hour Husqvarna 136/137/141/142 chainsaws
Installation Notes
- Drain the fuel tank before removing the old carburetor
- Note the position of all fuel lines, throttle linkage, and choke linkage before removal
- Transfer the inlet and outlet fuel line connections to the new carburetor
- After installation, adjust the L and H needle screws to factory specification (typically 1.5 turns out from fully closed)
- Warm up the engine and fine-tune idle speed and mixture for smooth operation
FAQ
Q: Is this carburetor compatible with the Husqvarna 137E and 142E models?
A: Yes. The PP4620AVX / C1Q-W29E carburetor fits both the standard and E (electronic ignition) variants of the 137 and 142 models. Verify against your chainsaw's model and serial number plate before ordering.
Q: Do I need to replace the fuel lines when fitting this carburetor?
A: It is recommended to inspect and replace the fuel lines, fuel filter, and primer bulb at the same time as the carburetor, as these components age at a similar rate and are inexpensive to replace preventively.
Package Contents
- 1 × PP4620AVX replacement carburetor (for Husqvarna 36/41/136/137/141/142)
