Husqvarna ST 224P - User Manual

A user manual for high-altitude jet kits designed to optimize carburetor performance in engines operating above sea level, particularly at elevations between 3,000 and 8,000 feet. The guide covers the necessity of these kits to adjust fuel-air ratios, reduce emissions, and improve efficiency while emphasizing safety–such as proper ventilation and engine shutdown if overheating occurs. It also addresses critical considerations like warranty validity and compatibility with specific engine sizes across North American and European markets.

operation can be ensured by installing a high altitude
jet kit when required.
Operating a carburetor engine without the proper
high altitude jet kit installed may increase the
engine’s emissions and decrease fuel economy and
performance.
See the table below to determine the correct kit for
your application.
Kits may be obtained from any dealer, and should be

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WARNING! To prevent serious injury from

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ventilated area away from ignition sources.
If the engine is hot from use, shut the engine

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Important Notes

• The warranty may be void if necessary

adjustments are not made for high altitude use.

• At elevations above 8000 feet, the engine may

experience decreased performance, even with a
high altitude jet kit.

• If a carburetor is replaced, the proper high altitude

jet kit will need to be installed into the replacement
carburetor.

Engine Size

(Carburetor engines only)

Market

Altitude

3000-6000 ft

(914-1828 m)

6000-8000 ft

(1828-2438 m)

Kit Part Number

212cc

North America

531146780

531146781

212cc

Europe

531146786

531146780

252cc

North America

531146782

531146783

252cc

Europe

531146782

531146783

301cc

North America

531146784

531146785

301cc

Europe

531146788

531146789

389cc

North America

531146783

531146787

389cc

Europe

531146782

531146783

ADDITIONAL INFORMATION

Engine Manufacturer:

Chongqing Rato Technology Co., Ltd.

Zone B, Shuangfu Industry Park,

Jiangjin District, Chongqing China 402247

Tel: +86-23-85553343

Fax: +86-23-85553338

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About this manual

Brand: Husqvarna
Model: ST 224P
Document type: User Manual
Language(s): English, Spanish, French
Pages: 3
File size: 141.1 KB
Format: PDF

Summary

Page 1 - High Altitude Jet Kit Necessity and Safety

Explanation of the necessity for high altitude jet kits to ensure proper operation, reduce emissions, and maintain fuel economy. Safety warning requires using kits in well-ventilated areas and shutting off hot engines.

Page 2 - Selecting High-Altitude Jet Kits

Instructions and reference tables for selecting the correct high-altitude carburetor jet kit based on engine size and altitude, including safety warnings and performance notes.

Page 3 - Carburetor Jet Kit Part Numbers by Engine Specifications

Part numbers for high-altitude jet kits categorized by engine type (212cc, 252cc, 301cc, 389cc) and region (North America or Europe) across altitudes from 3,000 ft to 8,000 ft, along with warranty and performance notes.