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12_d75a7cf5-cce2-4848-9e3f-25ef91776e13 - Northline Parts

For Yamaha Moto 4 YFM225 1986-1988 Cylinder Piston Gasket Top End Kit 70mm

Alligator_819_x_200_px - Northline Parts

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$181.99
Sale price  $181.99 Regular price 

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I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

For Yamaha Moto 4 YFM225 1986-1988 Cylinder Piston Gasket Top End Kit 70mm

Restore your engine's performance with this complete top end rebuild kit. This high-quality aftermarket kit is designed to meet or exceed original performance standards, providing a reliable and cost-effective solution for your maintenance needs. It includes everything necessary to refresh your cylinder and restore compression, ensuring your machine stays on the trail for years to come.

Key Features & Benefits

  • Complete top end rebuild solution for a comprehensive engine refresh
  • Precision-engineered 70mm piston for optimal performance and durability
  • High-quality gaskets included to ensure a leak-free seal
  • Robust construction designed to withstand demanding riding conditions
  • Direct replacement for easy installation

Compatible Models

  • Yamaha Moto 4 YFM225 (1986-1988)

Product Specifications

  • Bore Size: 70mm
  • Kit Contents: Piston, Piston Rings, Wrist Pin, Circlips, Head Gasket, Base Gasket
  • Part Type: Top End Kit
  • Material: High-strength alloys and premium gasket materials

Frequently Asked Questions

Is this an OEM part?

No, this is a premium aftermarket part designed to provide high-quality performance at an affordable price.

How do I confirm compatibility?

Please check your machine's model year and engine specifications against the compatible models list provided. You can also verify your serial number to ensure exact fitment.


Important: This is a premium aftermarket part and is not manufactured by the original equipment manufacturer (OEM). Brand names and model numbers are used for reference purposes only. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.

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Service was professional and easy to work with. They kept me updated on my order and recommended a different part when the one I originally picked wasn’t going to work. Everything showed up as expected and the process was smooth overall.

- Customer, Chris D.

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