DZ140 Piston - YSF2023 Replacement for YS Engine  [YSF2023]

Replacement piston suited to DZ140 designs

This entry describes the YS Engine piston carrying model number YSF2023, supplied as a spare for DZ140-type engines. It is intended as a scale RC replacement part where the original piston needs renewal during overhaul or repair.

The focus here is on compatibility and the part's function rather than insertion procedures. Confirm the engine model marking and part reference before ordering to ensure correct selection.

Regarding tuning, piston wear affects compression and throttle character. Replacing a worn piston with the specified YSF2023 helps re-establish expected compression and more consistent running after rebuilds.

Choose this piston when you require a like-for-like YSF2023 replacement for DZ140 series nitro engines and always match the part code to your engine reference.