BWS125/ZUMA125 Ceramic Cylinder Set
Ceramic-Coated. Precision-Bored. Ready to Run.
Designed for the Yamaha BWS 125 engine, this Ceramic Cylinder Kit features a ceramic-coated cylinder bore wall for improved surface hardness and wear resistance during engine operation. Available in three bore sizes — 59mm, 63mm, and 65mm — to suit different rebuild and displacement configurations. Each kit is supplied with a matched piston, RIK piston rings, wrist pin, circlips, and a full gasket set for a complete, ready-to-assemble package. Select the bore size that matches your piston specification before ordering.
🔹 Highlights
- Ceramic-Coated Cylinder Bore — ceramic wall coating provides improved surface hardness and wear resistance during engine operation
- Precision Bore Machining — inner bore diameter tolerance held to ±0.2mm across all three size options
- Three Bore Sizes Available — 59 / 63 / 65mm; confirm piston and bore specification before ordering
- RIK Piston Rings Included — Japanese-made RIK rings supplied for consistent sealing and durability
- Complete Kit — includes cylinder, piston, RIK piston rings, wrist pin, circlips × 2, and full gasket set
✔ Product Specifications
- Type: Ceramic Cylinder Kit
- Bore Size: 59 / 63 / 65mm (inner diameter ±0.2mm)
- Cylinder Height: 73mm
- Cylinder Width: 130mm
- Fitment: Yamaha BWS 125
- Focus: Engine rebuild / displacement upgrade
- Package Includes: Cylinder × 1, Piston × 1, RIK Piston Rings × 1 set, Wrist Pin × 1, Circlip × 2, Gasket Set × 1
🔧 Installation Notes
- Confirm bore size matches your piston specification before installation
- Measure piston diameter and select the correct bore size accordingly
- Inspect all mating surfaces for cleanliness and flatness before assembly
- Allow adequate engine break-in at low load before normal operation
Power You Can Trust.