Home Kawasaki KFX50 Namura .020 Over Bore Top End 41.5mm (2003–2006)

Kawasaki KFX50 Namura .020 Over Bore Top End 41.5mm (2003–2006)

NOW $229.90
Or 4 interest-free payments of $57.47
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 top end kit increases displacement to .020 over bore for improved compression, power, and throttle response on Kawasaki KFX50 (2003–2006). Designed for simple installation with reliable performance for stock or mildly tuned engines.

Features:
- Specifically designed for Kawasaki KFX50 2003-2006
- .020 over bore kit for enhanced compression and power
- Includes top end compatible with stock exhaust and carburation

Includes:
- 1 x Namura .020 Over Bore Top End 41.5mm

Fits Models:
- Kawasaki KFX50

Model Years:
- 2003-2006

Submodels:
- Standard

Engine Options:
- 49cc 4-stroke single-cylinder

Namura .020 Over Bore Top End 41.5mm for Kawasaki KFX50 (2003–2006)

Namura top end, KFX50, 41.5mm bore, 2003-2006, ATV, engine kit, overbore, performance upgrade

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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