Polaris Sportsman 90 Namura .040 Over Bore 53mm Piston (2001–2006)
Description:
Tamper-proof, high-quality Namura piston designed for the Polaris Sportsman 90 with a .040 overbore (53mm). Restores peak compression and engine performance for improved power, throttle response, and reliability in replacement or overbore scenarios. Compatible with 2001–2006 Sportsman 90 models for straightforward installation and durable operation.
Features:
- Specifically engineered for Polaris Sportsman 90
- .040 overbore (53mm) for enhanced displacement
- Ideal for rebuilds or performance upgrades
- Durable construction for ATV use
Includes:
- 1 x Namura .040 Over Bore 53mm Piston
Fits Models:
- Polaris Sportsman 90
Model Years:
- 2001 - 2006
Submodels:
- Sportsman 90
Engine Options:
- 2-stroke
Namura .040 Over Bore 53mm Piston for Polaris Sportsman 90 (2001–2006)
Namura piston, Polaris Sportsman 90, .040 overbore, 53mm, ATV engine, replacement piston, 2001-2006, 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
Got a question about this product? Need to check fitment for your vehicle? Fill in the form below and we'll get back to you within 24 hours.
Pay in 4 interest-free payments