Technical Resources
The following articles provide basic technical information which does not require technical skills or special tools. However, we always recommend that you consult a professional mechanic so as to avoid damaging the equipment or injury.
- Tips for safely installing piston ringsWhen installing piston rings, the material and direction of each piston ring with relevance to the piston head is important; otherwise the engine will not operate correctly, while severe damage may occur after long-term operation. Piston rings having a "TOP" mark or a dot on the side must always ...
- How to Measure a Piston Ring: Diameter, Axial & Radial ThicknessThe OEM part number uniquely identifies a spare part. So, when you search for any spare part, you typically need to know its OEM part number; otherwise you risk of buying the wrong item. Finding the OEM part number of a spare part is not always easy. Normally, you need to have the illustrated ...
- Inches to Millimeters Conversion TableUse the below table to convert inches to millimeters.
- The Role of the Decompression Valve in a ChainsawWhat is a decompression valve in a chainsaw? The cylinder of a chainsaw contains a mixture of gases. When you start the machine, this mixture needs to compressed in order for ignition to succeed. But, excessive pressure requires you to put a lot more effort into starting the engine. When the ...
- How to Replace a Spark Plug on a Small EngineDifficulty: Easy Time Required: 10 minutes Tools Needed: Spark plug wrench, flat-head screwdriverIntroduction If your small engine is difficult to start, runs rough, or has reduced power, the spark plug might need replacing. Spark plugs are essential for combustion, and over time they can ...
- How to Clean the Carburetor on a Small EngineDifficulty: Moderate Time Required: 30–45 minutes Tools Needed: Screwdrivers, socket set, carburetor cleaner, compressed air, glovesIntroduction Over time, fuel residue and debris can clog your small engine’s carburetor, leading to poor performance, hard starts, or engine stalling. ...
- How to Replace a Recoil Starter on a Small EngineDifficulty: Moderate Time Required: 20–30 minutes Tools Needed: Screwdrivers, socket set, replacement recoil starter or rope kit, glovesIntroduction The recoil starter, also known as the pull start, is a crucial component for starting most small engines. Over time, the starter rope can ...
- How to Maintain an Air Filter on a Small EngineDifficulty: Easy Time Required: 10–20 minutes Tools Needed: Screwdriver, clean cloth, replacement air filter (if needed), mild soap and water (for foam filters), air compressor (optional)Introduction The air filter protects your small engine from dirt, dust, and debris. A clogged or ...
- Why Your Small Engine Doesn’t Start: Common Causes and FixesDifficulty: Easy to Moderate Time Required: 15–30 minutes Tools Needed: Screwdrivers, spark plug wrench, fuel line pliers, clean cloth, multimeter (optional)Introduction When a small engine refuses to start, it can be frustrating—especially when you're ready to mow the lawn, trim ...
- How to Replace a Fuel Filter on a Small EngineDifficulty: Easy Time Required: 10–20 minutes Tools Needed: Screwdriver, pliers, replacement fuel filter, safety glovesIntroduction A fuel filter plays a vital role in keeping debris and contaminants out of your small engine’s fuel system. Over time, the filter can clog, reducing ...