Repair kit for piston-cylinder assembly BC4310/G45L/143RII/443R with 40 mm bore for lawnmowers and brushcutters.

This product is a complete engine rebuild kit specifically designed for the BC4310, G45L, 143RII, and 443R lawnmowers/brushcutters. It features a 40 mm cylinder bore. The kit includes a complete cylinder block and piston assembly, allowing for the complete replacement of the combustion chamber components. This is a professional repair solution for serious defects such as cylinder seizure, severe wear, and insufficient compression, which can lead to starting problems and power loss. Further information: Compatible models: BC4310, G45L, 143RII, 443R lawnmowers/brushcutters (Please check the make and model of your engine, e.g., Mitsubishi, Husserl, Komatsu, etc., on your machine's nameplate to ensure full compatibility). Specifications: 40 mm cylinder bore. Kit contents: Typically a cylinder block and piston kit (piston, piston rings, piston pin, circlip, etc.). Product Features: Precision Bore: Manufactured to 40mm bore specifications, compatible with engines of the listed models that use this bore. Wide Compatibility: Compatible with many makes and models of garden equipment, making it versatile for repairs. High-Quality, Durable Components: The cylinder block is made of wear-resistant alloy and can be hardened; the piston is made of high-strength aluminum alloy. This ensures longevity and restores performance after the repair. Complete Performance Restoration: Addresses issues such as starting problems, power loss, and blue smoke caused by scoring in the cylinder wall, piston ring wear and seizure, and piston damage. Rebuild Kit: Includes a matched cylinder and piston set – an essential step in engine rebuilds or repairs.