About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright.. Whether it's a 4-cylinder automobile engine or a 4-cycle trimmer motor, one of the best things you can do for it is to change the oil regularly. Old engine oil carries fine shards of metal created by the movement of the piston against the cylinder, and these can infiltrate the piston seal and cause a leak.
How to do an oil change on a 4 cycle trimmer. This one is a craftsman. Trimmer Craftsman 79194 - 29cc 4 Cycle Gas Trimmer Operator's Manual. 4-cycle gas trimmer (37 pages). Repeat HASSLE-FREE LINE REPLACEMENT this procedure until the oil Always use Craftsman Hassle-Free XTRA QUIET Spiral Line. Choose the level reaches the innermost line size best suited for the job at hand.. MODEL 316.791961 4-CYCLE GAS.