Keep your Stihl chainsaw running at peak performance with this comprehensive maintenance tune-up kit specifically designed for models 017, 018, MS170, and MS180. This complete service package includes essential replacement parts: a high-quality air filter, fuel filter, spark plug, bar nuts, and primer bulb. Compatible with chainsaws featuring WT, WYJ, and WJK Walbro Carburetors, this kit provides everything needed for routine maintenance and optimal performance. Each component is carefully selected to match OEM specifications, ensuring proper fit and function. Perfect for both professional users and DIY enthusiasts looking to maintain their equipment's reliability and extend its lifespan.