Home Yamaha Big Bear 350 2x4 / 4x4 Namura Standard Bore Piston Kit 83mm (1987–1999)

Yamaha Big Bear 350 2x4 / 4x4 Namura Standard Bore Piston Kit 83mm (1987–1999)

NOW $244.00
Or 4 interest-free payments of $61.00
In stock at 1 of our locations
🚛 Free NZ shipping
🔒 12 month warranty on all parts
NZ WOF compliant
🔧 Fitting available NZ wide

Description:
Namura standard bore 83mm piston kit designed for Yamaha Big Bear 350 (1987-1999). Improves compression and restore engine performance for both 2x4 and 4x4 variants, with durable forged components for reliable abuse.

Features:
- Precisely sized 83mm bore for Big Bear 350
- Compatible with 2x4 and 4x4 models
- Durable piston for enhanced power and longevity
- Fits 1987-1999 Big Bear 350 engines

Includes:
- 1 x piston kit

Fits Models:
- Yamaha Big Bear 350

Model Years:
- 1987 - 1999

Submodels:
- 2x4, 4x4

Engine Options:
- 347cc single

Namura 83mm Piston Kit for Yamaha Big Bear 350 2x4/4x4

namura, piston kit, 83mm, Yamaha Big Bear 350, 1987-1999, ATV, 2x4, 4x4, engine performance

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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