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Yamaha Big Bear 400 & Kodiak Namura Over Top End Kit (1993–1999)
Description:
Top-end restoration kit designed to restore compression, power, and reliability for 1993–1999 Yamaha Big Bear 400 and Kodiak 400 ATVs.
Features:
- Designed for Yamaha Big Bear 400 & Kodiak 400 (1993-1999)
- Includes piston, rings, pins, circlips, and gaskets for complete top-end overhaul
- Restores performance and engine longevity, compatible with standard bore sizes
Includes:
- 1 x Namura Over Top End Kit (piston, rings, gudgeon pin, circlips, gaskets)
Fits Models:
- Yamaha Big Bear 400
- Yamaha Kodiak 400
Model Years:
1993 - 1999
Submodels:
Big Bear 400, Kodiak 400
Engine Options:
4-stroke, 399cc
Namura Over Top End Kit for Yamaha Big Bear 400 & Kodiak (1993–1999)
yamaha, Namura, top end kit, Big Bear 400, Kodiak 400, 1993-1999, ATV, 4-stroke, engine rebuild
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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