Description
Overview:
This piston ring set is a direct-fit replacement for Robin/Subaru EH12 petrol engines used in compact plant and garden machinery. Manufactured from durable, heat‐resistant steel alloy with a precision-ground finish, the rings restore correct cylinder sealing so the engine can build compression, control oil, and run efficiently. Correct ring sealing helps with easier starting, steady idle, and maintained power under load. Supplied to match the EH12 specification, it is intended for standard service maintenance or rebuilds where the cylinder bore is within service limits. Referenced against OEM No. 252-23502-07, this set offers a reliable solution for routine overhaul of the EH12 while supporting clean combustion and reduced oil consumption.
Key Features:
- Engineered for the Robin/Subaru EH12 to maintain correct compression and oil control
- Heat-resistant steel alloy construction for wear resistance and long service life
- Precision-ground ring faces for consistent sealing against the cylinder wall
- Helps restore starting performance, throttle response, and fuel efficiency
- Supports lower oil consumption and reduced exhaust smoke when installed in a sound bore
- Compatible with the OEM reference 252-23502-07 for straightforward identification
- Suitable for routine maintenance or full top-end refresh during engine overhaul
- Supplied as a matched set for consistent fit and ring gap within specification
Typical Applications:
Used during servicing or rebuilds of Robin/Subaru EH12 engines fitted to compactors, generators, water pumps, turf machinery, and other small plant. Ideal when compression readings are low, oil use has increased, or performance has dropped, provided the cylinder and piston measure within service limits and are free from scoring.
Also known as:
Piston ring kit, engine ring set, ring pack, compression and oil control rings, cylinder ring set, top-end ring set for small petrol engines, EH12 ring replacement.
Fits Models:
EH12
Alternate Part Numbers:
252-23502-07, 2522350207
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