HQPASFY Ignition Coil Set for Kawasaki Single-Cylinder Engines — 2-Pack, Direct Replacement, Heat-Resistant

HQPASFY 21171-0711 Ignition Coil (2 Pack) is a direct replacement ignition coil set engineered to restore reliable spark and consistent engine starts on compatible Kawasaki small engines.

This pair of ignition coils fits a broad range of Kawasaki single-cylinder engines and replaces several OEM part numbers, giving you a straightforward swap when the original coil fails or performance drops. Each coil is manufactured to strict quality standards, uses durable materials designed to withstand heat and vibration, and includes clear installation and gap-setting guidance so you can install with confidence.

Which Kawasaki engines does this 2-pack fit?

The HQPASFY 21171-0711 coils are compatible with many Kawasaki model families used in commercial and residential equipment. They cover FX, FS, FR and FXT lines across common displacement variants, so they’re suitable for a wide range of lawn mowers, generators, pressure washers and other small-engine machines.

• Compatible models include FX-481V through FX-921V, FXT-00V; FS-481V through FS-730V; and FR-541V through FR-730V.
• Replaces OEM numbers: 21171-0711, 21171-0738, 21171-7041, 21171-7042, 21171-7047, 21171-0743.
• Fits many Kawasaki single-cylinder, air-cooled engines used in outdoor power equipment.

How do I install and set the air gap correctly?

Installation is straightforward if you follow safety steps and set the air gap precisely for reliable ignition. Start by disconnecting the spark plug wire and letting the engine cool, then remove the old coil, position the new one, and set the gap between the coil and flywheel magnet to the recommended clearance.

• Disconnect spark plug wire and engine ground before beginning.
• Remove mounting bolts, note wiring, and hand-fit the new coil.
• Set air gap to 0.3–0.5 mm (0.012–0.020 in) using a feeler gauge with the flywheel magnet aligned.
• Tighten bolts to 8–12 N·m (6–9 ft-lbs) and reconnect wiring; use dielectric grease if desired.

What performance and durability features should I expect?

These coils are built from heat-resistant alloys and heavy-gauge copper windings to maintain stable spark output under load and temperature. HQPASFY tests coils for reliability and designs them to resist corrosion and vibration commonly encountered in outdoor equipment applications.

• Durable construction with corrosion-resistant materials and premium copper wire.
• Engineered for stable characteristics and consistent ignition across cycles.
• Manufactured to strict quality control standards and supplied as a two-piece set for convenience.

How can I verify the coil is working after installation?

After installation, perform basic checks before full operation: ensure wiring is routed correctly, the spark plug wire is reconnected, and the starter cord moves freely. Start the engine and listen for steady running; misfires, surging, or no-start conditions indicate further troubleshooting or gap recheck.

• Pull the starter cord slowly to confirm no mechanical interference.
• Start the engine and listen for smooth idle and consistent throttle response.
• If problems persist, recheck air gap and electrical connections per the service manual.

Who is this for: The HQPASFY 21171-0711 2-pack is aimed at DIY mechanics, small-engine repair shops, and equipment owners who need a reliable OEM-replacement ignition solution for Kawasaki FX/FS/FR series engines. If you maintain mowers, generators, or other air-cooled equipment and need a durable, tested coil pair with clear installation steps, this set provides a practical, cost-effective option with manufacturer support.