PRECISE FIT & COMPATIBILITY: This Zama C1Q-S202A kit is a replacement carburetor kit specifically designed for Stihl MM55, MM55C Tiller 4601-120-0600 models. Optimized & Improved Performance: By replacing the original carburetor, the power, cranking speed and fuel efficiency of the Stihl MM55, MM55C Tiller 4601-120-0600 will be significantly improved. QUALITY GUARANTEE & RELIABILITY: The Zama C1Q-S202A kit is made of high-quality materials and is subject to strict quality control and durability testing. It is able to maintain stable performance in various harsh working environments, reducing the risk of malfunction and damage, and providing users with long-lasting and reliable operation. EASY INSTALLATION AND MAINTENANCE: This carburetor kit has been designed to make the user's life easier, and the installation process is relatively simple. Users can easily perform installation and maintenance, saving time and effort. Cost-effective and environmentally friendly: Replacing the original carburetor with the Zama C1Q-S202A kit not only improves the performance and efficiency of the machine, but also reduces fuel consumption and operating costs. In addition, optimizing the fuel mixing ratio and controlling the production of harmful emissions helps reduce the environmental impact, resulting in a win-win situation in terms of economic and environmental benefits."