Premium Performance Spark Plugs for Yamaha Outboards
High-quality iridium core ensures superior ignition efficiency and prolonged lifespan, ideal for Yamaha F115/F225/F250 engines. Precision-engineered copper electrode reduces voltage loss, delivering consistent power in marine environments. Durable nickel-chromium shell resists corrosion from saltwater exposure, while triple-seal gasket prevents combustion leaks. Direct OEM replacement (Part# 22401-8H516) with exact LFR6A11 heat range compatibility. Optimized for high-RPM operation, reducing misfires in harsh conditions. Pack of 4 ensures cost-effective fleet maintenance. Trusted by commercial fishermen and offshore racers for reliability under load. Wholesale-priced for bulk buyers—stock up for your marine repair shop or dealership inventory. Ships globally with factory-direct quality assurance.