Price from
4.38 GBP

Bosch WSR6F - Spark Plugs for Gardening and Forestry - 1 piece

Electrode Gap [mm]: 0,5Number of Poles: 1Outer thread [mm]: 14Spanner Size: 20,8Thread Length [mm]: 9,5Thread Pitch [mm]: 1,25Tightening angle [degrees]: 90Tightening Torque [Nm]: 20Spark Position

 Stores where to buy this product

Sponsored  This site contains affiliate links for which we may receive compensation. More information

Bosch WSR6F Spark Plug: Precision Ignition for Gardening and Forestry Tools

The Bosch WSR6F spark plug is engineered specifically for small combustion engines found in gardening and forestry equipment such as chainsaws, trimmers, hedge trimmers, and other portable power tools. Its design focuses on delivering reliable ignition performance under demanding outdoor conditions, ensuring that your tool runs smoothly from the first start to the last cut.

Key Technical Specifications

  • Model Number: WSR6F (also referenced as 0242240576 in OEM catalogs)
  • Thread Size: M14 x 1.25 mm – a standard size for many Bosch-powered garden tools.
  • Heat Range: Medium‑to‑high heat rating, suitable for engines that operate at moderate to high temperatures without overheating.
  • Material Composition: Nickel alloy core with a copper electrode and a ceramic insulator, providing excellent thermal conductivity and durability.
  • Spark Gap: Typically set at 0.5 mm (adjustable based on engine specifications).

Design Features That Enhance Performance

The WSR6F incorporates several engineering features that make it stand out in the field of small engine ignition systems.

  • Nickel Alloy Core: Offers superior resistance to corrosion and high temperatures, extending the life of the spark plug even when exposed to moisture or dust.
  • Ceramic Insulation: Provides excellent electrical isolation while withstanding the thermal stresses common in chainsaw engines.
  • Optimized Electrode Geometry: The electrode shape is designed to produce a consistent spark across a range of engine speeds, reducing misfires and improving fuel efficiency.
  • Robust Threading: The M14 x 1.25 mm thread ensures a secure fit in the cylinder head, minimizing the risk of loosening during vigorous operation.

Applications Across Gardening and Forestry Equipment

The Bosch WSR6F is compatible with a wide array of small engines used in:

  • Chainsaws – both gasoline-powered and dual‑fuel models that require reliable ignition under high load.
  • Trimmers and Hedge Trimmers – ensuring consistent performance during prolonged use.
  • Leaf Blowers and Lawn Mowers – where quick start-up and smooth running are essential.
  • Portable Generators – for backup power solutions that demand dependable ignition.

Installation Guide

Installing the Bosch WSR6F is straightforward, but following these steps ensures optimal performance:

  1. Safety First: Disconnect the battery or remove the spark plug wire to prevent accidental start-up.
  2. Remove Old Plug: Use a spark plug socket and ratchet to unscrew the existing plug. Inspect for wear or damage.
  3. Check Gap: Measure the spark gap with a feeler gauge; adjust if necessary to match the engine’s specification (commonly 0.5 mm).
  4. Install New Plug: Hand‑tighten the WSR6F into the cylinder head, then use a torque wrench set to the manufacturer’s recommended value (typically around 10–12 Nm for M14 plugs).
  5. Reconnect Spark Wire: Attach the spark plug wire securely, ensuring proper polarity.

Maintenance Tips for Longevity

Even though the WSR6F is built to last, regular maintenance can further extend its life and keep your engine running optimally:

  • Periodic Inspection: Check the spark plug every 200–300 hours of operation or after any major repair.
  • Clean the Spark Plug Wire: Remove dirt and debris from the wire’s boot to maintain good electrical contact.
  • Avoid Overheating: Ensure proper ventilation around the engine; overheating can degrade the ceramic insulator.
  • Store Properly: Keep spare plugs in a dry, dust‑free environment to prevent corrosion.

Why Choose Bosch WSR6F?

The Bosch brand is synonymous with quality and reliability. The WSR6F spark plug embodies these values through:

  • Consistent Ignition Performance: Delivers a strong, reliable spark that reduces idle issues and improves fuel economy.
  • Durability Under Harsh Conditions: Nickel alloy construction resists rust and wear even in wet or dusty environments.
  • Compatibility with OEM Engines: Designed to meet the exact specifications of Bosch engines, ensuring seamless integration.
  • Ease of Replacement: Standard thread size and straightforward installation make it a convenient choice for technicians and DIY users alike.

Conclusion

The Bosch WSR6F Spark Plug is more than just an ignition component; it’s a critical element that guarantees your gardening or forestry tool performs at its best. With its robust construction, precise engineering, and proven track record in small engine applications, the WSR6F stands as a reliable partner for anyone who demands consistent power and durability from their outdoor equipment.


This product in Comparor
Category
This product is cataloged in our store in these categories
- Spark Plugs
International
Find this product in one of our international stores
at
4.86 EUR
de
2.51 EUR
it
5.08 EUR
Colors
Predominant colors of the product
Tags Spark plug Bosch WSR6F Spark Plugs 4x Bosch Gardening tools Engine protection
Identifiers
Brand Bosch

Bosch is a brand of power tools and appliances. The company was founded in 1886 and produces a wide range of power tools, appliances, and accessories. Bosch tools are known for their quality and durability, and the company is a leader in innovation and design.
Model Bosch 0 242 240 576
MPN Bosch 0 242 240 576
ID 6969898
Dimensions / Weight
Key Features

Related articles

The Bosch Rotak is a reliable electric lawnmower, featuring a 34 cm cutting width for efficient mowing and a genuine front plastic badge unit. Its powerful 1300w motor ensures precise cutting even in tough conditions.
The Bosch 1 987 302 041 Spotlight Bulb is a high-quality halogen headlight bulb that fits various car models including Fiat Grande Punto, Kia Picanto, Citroen Dispatch, Ford Fiesta, and Ford Escort.
Yale University Press (9780300220131 / 140 color illus.) - Dimensions: 216 x 267 x 12.7mm | 953g - Format: 192 pages - ISBN: 9780300220131 - Languages: English - New Haven, United States - Yale University Press | Paintings and drawings
The Bosch 1 987 302 041 Spotlight Bulb is a high-quality halogen headlight bulb that fits various car models including Fiat Grande Punto, Kia Picanto, Citroen Dispatch, Ford Fiesta, and Ford Escort.
My Bosch-Tools. We collect, repair and maintain your product and return it within 5 business days. To extend the warranty for 2 to 3 years, visit www. Go clipping to edge using just a button with the rotating head. This product comes with a FREE 2-year
The Bosch 1 987 302 041 Spotlight Bulb is a high-quality halogen headlight bulb that fits various car models including Fiat Grande Punto, Kia Picanto, Citroen Dispatch, Ford Fiesta, and Ford Escort.
🤖 Hello! I'm your virtual assistant. I can help you find products, compare prices and answer questions about your orders. Where should we start?
Chatbot service provided thanks to Gemini 3 / OpenAI using Comparor’s database. The AI may make mistakes — always verify the information.
Comparor AI BETA
Online
Restart the conversation?