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Yamaha 250 ATVs Namura .040 Over Bore Piston Rings / 72mm / (1992–2009)
Description:
Namura 72mm bore rings designed for Yamaha 250cc ATVs. This .040 overbore kit restores compression, seals rings, and supports engine durability during rebuilds or performance upgrades.
Features:
- Specifically for Yamaha 250 ATVs with 72mm bore
- .040 overbore for compression restoration
- Replaces worn rings to improve power and oil control
- Compatible with standard 250cc 4-stroke engines
Includes:
1 x Namura .040 Over Bore Piston Rings set (72mm)
Fits Models:
Yamaha ATV
Model Years:
1992 - 2009
Submodels:
Yamaha 250cc ATV models (various trims)
Engine Options:
250cc, 4-stroke engines
Namura .040 Over Bore Piston Rings 72mm for Yamaha 250 ATVs (1992–2009)
Namura piston rings, Yamaha 250 ATV, 72mm, .040 over, engine rebuild, ATV maintenance, bore kit
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.
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