When it comes to power and performance, Vertex four-stroke pistons are hard to beat. Forged from the highest quality 2618 aluminium alloy, Vertex pistons are perfectly suited to handle the rigors and high pressures of today's modern four-stroke engines. Plus, to aid in the break-in process and reduce wear, every Vertex piston utilizes a unique Molybdenum Disulphide (MOS2) coating on the piston skirt.
Vertex provide the unique piston profiles and compression ratios that are offered in A, B, C and D sizes. This variation in sizing, a mere 0.004", allows the piston to be perfectly sized to the cylinder for maximizing power and performance while reducing blow-by and oil consumption.
The Kit may contain (as per requirements):
- Piston, Pin, Clips, Rings
- Top-End Bearing
- Top-End Gasket Kit
This Vertex Top End Rebuild kit, suitable for 4 stroke engines, is cost-effective and time savvy instrument to rebuild Top End of your motorcycle.
Please note that Brands included in this kit may vary and depend on supplier stock at time of purchase; if stock unavailable at time of purchase, a similar quality branded product will be included instead.
Fitment:
- YZ250 1990-91
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