Fixing Screw for 65LA Needle Valve Unit OS26582920 O.S. Engine  [OS26582920]

Fixing Screw for 65LA Needle Valve Assembly

This fixing screw is the replacement fastening component specified in the original part title, designed for needle valve unit assemblies identified by 65LA. It secures the needle valve so the seating remains consistent and the engine receives the intended fuel mixture.

To install: remove the retaining plate or cover from the needle valve unit, align the needle assembly, and insert the fixing screw into the designated mounting point until the assembly is held firmly without side play. Take care not to overtighten to avoid harming adjacent parts or threads.

For service and compatibility checks, the screw preserves needle placement so tuning adjustments remain repeatable. Inspect the fixing point during scheduled maintenance and after initial engine runs to confirm secure retention and steady throttle response.