Description
Overview:
This Piston Ring Set +0.50 for the Robin/Subaru EH12 engine is a Genuine Part designed to restore and maintain correct cylinder sealing. Manufactured from wear‐resistant alloy steel with precision‐ground faces, the rings provide reliable compression sealing and oil control, helping the engine start easily, run smoothly, and hold power. The +0.50 mm oversize (+0.020 in) is intended for cylinders that have been rebored or honed to the first oversize. Suitable for small construction and garden machinery powered by the Robin EH12, it is an ideal choice when overhauling engines affected by wear, blow‐by, or oil consumption. OEM reference: RB252‐23503‐07 for straightforward identification and ordering.
Key Features:
- Genuine Robin/Subaru part for assured fit and compatibility
- +0.50 mm (+0.020 in) oversize for rebored EH12 cylinders
- Precision engineered to OEM tolerances for consistent sealing
- Wear‐resistant material for long service life under tough use
- Helps restore compression, reduce blow‐by, and lower oil consumption
- Improves starting, throttle response, and overall engine efficiency
- Stable ring tension for reliable performance across temperature ranges
- Suitable for professional workshops and DIY engine maintenance
- Straightforward installation with standard engine tools; check end gaps and orientation
Typical Applications:
Used during engine rebuilds or scheduled maintenance of Robin EH12 engines fitted to plate compactors, generators, water pumps, tillers, small mixers, and other compact construction or garden equipment. Ideal when cylinders are machined to first oversize and a dependable seal is required to keep machines productive and emissions low.
Also known as:
Oversize piston ring set +0.50 mm, 0.020 in ring pack, cylinder rings, compression and oil‐control rings for EH12, engine rebuild ring kit, oversize ring replacement for Robin/Subaru single‐cylinder 4‐stroke engines.
Fits Models:
EH12
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