yanmar core

  1. StargazerP303

    Pearson 303 : Yanmar 2GM(F) Core Cleaning Made Easy

    Hello Yanmar fresh water cooled fans! I flushed out my engine system and was going to removed the core to have it cleaned. However, I noticed it would be easy-er after inspection to use a GUN Cleaning kit to ream out the pipe's rather the taking out the core. This saved allot of time and...