2Bros Parts

PISTON KIT 1979-1981 YAMAHA DT175 66.00 STD 2A7-11631-0098

£48.73

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UK delivery £4.99, free over £60 2–4 business days

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66.00 mm standard piston kit for Yamaha 175 cc two-stroke applications, primarily K-series models. Manufactured to precise standards for reliable rebuilds, it is a direct OEM replacement. Features high-grade materials for dependable service, consistent performance, and manufactured to exacting tolerances. Meets or exceeds OEM quality. Cost-effective replacement component with straightforward installation. Bore diameter: 66.00 mm (standard). Piston length: 68.9 mm. Crown edge to bottom skirt edge: 65 mm. Centre of pin to crown edge: 35.5 mm. Gudgeon pin size: 16 x 57 mm. Cross-reference OEM Part Numbers: 2N5-11631-00, 2N5-11631-00-96, 2A7-11631-00-98, 443-11631-03-98.

Specifications
SKU
56-W254.000.AAA
Brand
No Brand
Availability
In Stock (9)

Fitments (4)

MakeModelYear
YAMAHADT 1751978
YAMAHADT 1751979
YAMAHADT 1751980
YAMAHADT 1751981
General Colour C
Silver
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
66mm
Show more +1
Variant Id
310133
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Standard Piston Kit - 66.00 mm Bore

This standard 66.00 mm piston kit is manufactured to precise standards for reliable engine rebuilds. It is designed as a direct OEM replacement for Yamaha 175 cc two-stroke applications, primarily intended for K-series models. This kit includes key dimensional data and pin size to support accurate identification.

Key Features:

  • Constructed with high-grade materials for dependable service and consistent performance.
  • Manufactured to exacting tolerances to ensure confident engine rebuilds.
  • Meets or exceeds OEM quality standards.
  • Direct OEM replacement for a straightforward fit.
  • A cost-effective solution for component replacement.
  • Designed for straightforward installation; professional installation is recommended if unsure.
  • Primarily intended for K models.

Specifications:

  • Bore Diameter: 66.00 mm (Standard)
  • Piston Length: 68.9 mm
  • Crown Edge to Bottom Skirt Edge: 65 mm
  • Center of Pin to Crown Edge: 35.5 mm
  • Gudgeon Pin Size: 16 x 57 mm

Cross-Reference OEM Part Numbers:

  • 2N5-11631-00
  • 2N5-11631-00-96
  • 2A7-11631-00-98
  • 443-11631-03-98

Important: Please check the images provided before ordering to confirm compatibility with your specific application.

Before you buy

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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.

UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details

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