12614 – Piston Stop Tool, 14mm Thread (Machined) – Rotary The Rotary 12614 is a precision piston stop tool designed to lock the piston in place during engine service and repair on small engines with a 14mm spark plug thread. This tool is commonly used when removing or installing flywheels, clutches, or other rotating engine components, preventing crankshaft rotation and ensuring safe, controlled service procedures. Manufactured from machined steel, the piston stop tool is built for durability, accuracy, and repeated professional use. Its threaded design allows it to install directly into the spark plug hole, providing a secure stop point without damaging internal engine components. Product Details Manufacturer Part Number: 12614 Brand: Rotary Part Type: Piston Stop Tool Thread Size: 14mm Construction: Machined steel Application: Small engine service and repair OEM Status: Aftermarket (Rotary replacement / service tool) Function Locks piston position to prevent engine rotation Assists with flywheel, clutch, and crankshaft service Provides safe and controlled engine disassembly Compatible With The Rotary 12614 Piston Stop Tool is used on small engines with 14mm spark plug threads, including: Lawn mower engines Chainsaw engines Trimmer and handheld equipment engines Other small engines requiring piston locking during service (Compatibility depends on spark plug thread size and engine configuration.) How It’s Used Remove the spark plug and thread the piston stop tool into the spark plug hole. Slowly rotate the engine by hand until the piston contacts the tool, locking the crankshaft in place. Always rotate the engine gently to avoid piston damage. Suggested Maintenance Inspect tool threads for damage Keep clean and free of debris Store properly to prevent thread deformation The Rotary 12614 Piston Stop Tool, 14mm Thread is a reliable service tool designed for accuracy, durability, and safe small engine maintenance. If you want, I can also: Create a short counter/website listing Match it to similar OEM tools Keep tools formatted slightly differently from parts
