Set Ignition Coil w/ Spark Plug For KAWASAKI FR FS FX Series Engines 21171-0743

Ignition Coil with Spark Plug for Kawasaki FR FS FX Series Engines

This ignition coil with spark plug set is a direct replacement component built to restore reliable spark delivery on Kawasaki FR, FS, and FX series small engines, and it cross-references OEM part number 21171-0743.

Overview

This ignition coil with spark plug set replaces the failed or weak coil on Kawasaki FR, FS, and FX series engines so spark returns to the cylinder and the engine fires consistently. The pairing of coil and plug in one kit means both wear items get refreshed at the same time, which helps rule out a fouled plug as the cause of a no-start or misfire. It suits equipment owners and small engine mechanics handling routine ignition service on Kawasaki-powered machines.

Built For Performance

• Cross-references OEM part number 21171-0743 for direct fitment on supported Kawasaki engines
• Coil and spark plug supplied together so both ignition wear items are replaced in one job
• Coil body constructed to deliver consistent secondary voltage at operating RPM
• Plug threads and coil mounting points sized to match the original fitment
• Designed as a bolt-on replacement with no modification to the engine required
• Suited to the heat and vibration loads seen in small engine applications

Fits These Machines

• for Kawasaki FR series engines
• for Kawasaki FS series engines
• for Kawasaki FX series engines

On-The-Job Use

• Ignition service on Kawasaki-powered lawn and garden equipment
• Diagnosing and curing no-start or hard-start conditions traced to weak spark
• Routine tune-ups that pair a fresh coil with a new spark plug
• Commercial mowing fleets where downtime directly affects the schedule
• Small engine repair shops keeping a replacement coil on the shelf

Specs At A Glance

Good To Know

Q: How do I know the coil is the problem and not something else? A: Weak or no spark at the plug while the engine cranks and has fuel is the classic sign of a failing coil. Testing spark before ordering saves you from replacing parts that are still working.

Q: Should I replace coil and plug at the same time? A: Yes, and this kit is built around that approach since a tired plug can mimic coil symptoms. Refreshing both together removes the guesswork from the next start-up.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.