Description
Overview:
The Piston Ring Set 0.25 - Robin Part - RB244 23502 27 is a precision replacement ring pack for small air-cooled petrol engines used in construction and garden equipment. The rings maintain a tight seal between the piston and cylinder wall to restore compression, reduce blow-by, and control oil consumption. The 0.25 mm oversize (approx. 0.010 in) specification suits engines that have been rebored or honed to first oversize. Manufactured from durable, heat-resistant materials, the rings are built for reliability in demanding, dusty site conditions. This set is a direct replacement for Robin Part RB244 23502 27 and is suitable for routine overhauls or repairs by tradespeople and competent DIY users on equipment such as plate compactors, generators, pumps, tillers, and similar machinery.
Key Features:
- 0.25 mm oversize (approx. 0.010 in) ring set for correctly rebored cylinders
- Restores compression for easier starting and stronger performance
- Reduces blow-by and helps cut excessive oil consumption and exhaust smoke
- Precision-ground faces and controlled ring tensions for dependable sealing
- Built from durable, heat-resistant materials for long service life
- Direct replacement for Robin Part RB244 23502 27 to aid correct identification
- Supports reliable operation in tough site and garden environments
- Suitable for professional workshops and competent DIY engine rebuilds
Typical Applications:
Used during engine rebuilds or top-end refreshes on compactors, generators, water pumps, pressure washers, concrete equipment, tillers, and lawn machinery. Ideal where the cylinder has been machined to +0.25 mm and a matching oversize piston is being fitted. Helps restore lost power, reduce oil burning, and improve fuel efficiency in day-to-day site work and grounds maintenance.
Also known as:
Ring pack, piston ring kit 0.25 mm, 0.010 in oversize rings, 0.25 OS rings, engine rings, compression and oil control rings, cylinder ring set, top-end ring set for Robin engines, RB244 23502 27 ring set.
Product Specifications
| L&S Part No. | RB244 23502 27 |
|---|---|
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Robin |
| Key Features | - 0.25 mm oversize for rebored cylinders - Restores compression for improved engine performance - Reduces blow-by and oil consumption - Precision-ground for dependable sealing - Direct replacement for Robin Part RB244 23502 27 |

