Motorcycle 38mm ~ 39mm Piston Rings Kit For Hon-da DIO50 Z4 AF54 AF55 AF56 AF57 AF58 AF61 AF62 For Ruckus NPS50 Zoomer For CHF50 (Color : Piston kit 38mm)

Item Type:Pistons & RingsMaterial TypeNodular Cast IronSizeSTD 25 50 75 +10038mm 38.25 38.50 38.75 39mmOEM Code:13101-GET-67013010-GET-306Package Including:Up to you choosenFit for HON-DADIO50Z4 AF54 AF55 AF56 AF57 AF58 AF61 AF62Ruckus NPS50 Zoomer2002-2008CHF50 Metropolitan203-2017

• - Under the pressure of gas, and push the crankshaft to rotate through the connecting rod.
• - At the same time, under the inertia of the rotation of the crankshaft and the flywheel, the three auxiliary strokes of intake, compression and exhaust are completed.
• - In a two-stroke engine, the piston also undertakes the task of changing air.
• - The shape of the piston is complex, which requires a lot of processing equipment and production processes.
• - It requires strong bearing capacity, high temperature resistance, small expansion coefficient (the shape of the piston skirt is elliptical, and the size of the part that is heated is slightly smaller), corrosion resistance, etc.