Home Yamaha YZ250X Top End Rebuild Kit 66.4mm Gasket & Piston (2005–2024)

Yamaha YZ250X Top End Rebuild Kit 66.4mm Gasket & Piston (2005–2024)

NOW $155.00
Or 4 interest-free payments of $38.75
In stock at 1 of our locations
🚛 Free NZ shipping
🔒 12 month warranty on all parts
NZ WOF compliant
🔧 Fitting available NZ wide

Description:
Rebuild kit to restore top-end performance on the YZ250X, featuring a 66.4mm piston and complete gasket set for reliable compression, power, and durability.

Features:
- 66.4mm piston for YZ250X
- Complete top-end gasket set
- Includes wrist pin and circlips
- Designed for longevity and performance in off-road use

Includes:
- 1 x 66.4mm piston
- 1 x piston rings
- 1 x top end gasket set (head, base, oil seals)
- 1 x wrist pin and circlips

Fits Models:
Yamaha YZ250X

Model Years:
2005-2024

Submodels:
YZ250X

Engine Options:
250cc 4-stroke

Top End Rebuild Kit 66.4mm Gasket & Piston for Yamaha YZ250X (2005-2024)

Yamaha, YZ250X, 66.4mm piston, top end kit, gasket set, 250cc, 4-stroke

Shipping Information

Most orders land in 5–12 business days. We'll keep you updated at every step of the journey.


The Kren Bits journey:

  • Order received — Day 0
  • With fulfilment — Day 1–2
  • Heading to courier — Day 2–4
  • Shipped — Day 3–7
  • Almost there — Day 5–10
  • Delivered — Day 5–14

Where your part ships from:

Your order ships from the closest warehouse with available stock across our six-warehouse network — NZ, AU, TH, UK, US, and CN.


We email you at every real milestone — order received, with fulfilment, heading to courier, shipped, almost there, delivered. No chasing, no vague waits.


For more details, visit our Track Your Order page.

Product Enquiry

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