YBR125 time gauge chain, specification 25H-88L and 06 YBR125 valve system fully match, directly replace the original time gauge chain without adjusting the slink wheel; Adopt wear-resistant alloy material, roller and chain piece of high hardness, wear resistance, tensile resistance, to ensure the stability of timing transmission; Small pitch error, closely meshing with camshaft/crankshaft slink wheel, avoiding valve timing offset, ensuring engine power output; The surface is covered with anti-rust coating to adapt to the humid and hot environment inside the engine and extend the service life of the chain; Install the new chain after removing the old chain, and the gas distribution can be timely, and the adaptability is strong.