Namura
Namura Piston Kit 92.97mm Honda TRX500 FM1 / FM2 '14–'19
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DESCRIPTION
Namura provides high-quality piston options to suit a wide range of applications, including direct OEM replacements, high-compression variants, and multiple oversizes. B (0.01 mm) and C (0.02 mm) oversizes are also available, helping to extend the service life of expensive plated cylinders. Select applications are supported with big-bore piston kits. With the addition of MOS2 coating and hard anodising, Namura delivers improved performance and durability, without the premium price.
Features:
- MOS2 (Teflon/Molybdenum) Coated Skirts: Applied using a rolled-on process for a bond up to 10 times stronger than typical spray coatings. Improves heat transfer, reduces friction, and helps prevent cold seizures.
- Machined Smooth Heads: Reflect combustion heat and minimise carbon build-up, protecting the piston crown. Testing indicates potential gains of up to 6% in horsepower and fuel efficiency.
- Anodised Domes: Enhance heat resistance and durability, with up to 75% greater strength compared to non-anodised pistons.
- Hypereutectic Casting Process: Increases silicon content to reduce expansion, improve wear resistance, and withstand higher cylinder temperatures.
- 0.50 mm oversize up to 100.47 mm, with a 9.2:1 standard compression ratio.
- Includes piston (individually wrapped), OEM-quality rings (boxed separately), wrist pin, and circlips.
SHIPPING
SHIPPING
Orders can be shipped from either Auckland, Hamilton, Kihikihi, New Plymouth, Wellington or Christchurch warehouses. Depending on the location of items you have ordered, Motozone will ship your purchase from the closest location where possible.
New Zealand
Free shipping on order over $199.00.
For orders under $199.00, shipping throughout New Zealand is $9.99 for Urban and $15.99 for Rural Shipping.
In most cases shipping is overnight however it can take 2-3 days depending on time/day the order was placed. If delivery is to a rural address please allow a couple of extra days. We can ship to your place of work!
Australia
Free shipping on order over $199.00.
For orders under $199.00, shipping throughout Australia is $25.99
Delivery takes approx. 5-10 days delivery.
RETURNS
RETURNS
Returns & Exchanges
Wrong size or changed your mind? No worries at all, we’re happy to help arrange an exchange or return.
Eligible goods purchased from Motozone can be returned within 30 days of receipt for a refund or exchange.
Return conditions
For change-of-mind returns and size exchanges, goods must be:
~ New, unused and unaltered
~ Not previously installed
~ In a sellable condition with all original packaging, tags and included accessories
~ Returned with the manufacturer’s original packaging intact, not torn, ripped or otherwise damaged
Please try riding gear on indoors and open packaging carefully. Keep everything until you’re happy with the fit.
Special-order items that turn out to be an incorrect fit are excluded from our change-of-mind returns policy. Unsure about fitment? Contact us before ordering so we can help.
How to get started
Email contact@motozone.co.nz with:
~ Your order or invoice number
~ The item(s) you’d like to return
~ The reason for returning them
~ Whether you’d prefer an exchange or refund
~ The replacement size or style you’d like, if exchanging
We’ll email you the correct form and instructions for sending your items back to Motozone Kihikihi.
Option 1: Exchange
Send your item(s) back with the completed Exchange Form, letting us know the size or style you’d like instead.
Once we receive them and check they meet the return conditions, we’ll send out your replacement freight free you just cover the cost of getting the original item(s) back to us.
Exchanges are subject to availability. If there’s a price difference, we’ll arrange this with you before sending your replacement.
Option 2: Return for a refund
Send your item(s) back with the completed Returns Form.
Once they arrive and we’ve checked they meet the return conditions, we’ll process your refund. Please allow additional time for your payment provider to make the funds available.
For change-of-mind returns, original freight charges are non-refundable, and you cover the cost of return shipping.
Want it faster?
If you’re keen to get your replacement sooner, place a new order on our website, then send the original item(s) back with the completed Returns Form.
Once your return arrives and meets the return conditions, we’ll refund the returned item(s) from your original order. Your new order is separate and normal shipping charges apply.
Sending your parcel
Pack your items securely inside a separate outer bag or box to protect the goods and the manufacturer’s original packaging.
Please don’t attach courier labels or tape directly to the manufacturer’s packaging, including boot boxes and helmet boxes. For change-of-mind returns and size exchanges, this packaging must arrive intact, without tears, rips or other damage.
Include your completed Exchange Form or Returns Form inside the parcel so we can identify your return and process it promptly.
We recommend using tracked shipping and keeping your tracking details.
You can book your return shipping here:
Book a parcel with NZ Post
Faulty, damaged or incorrect items
If your item arrives damaged, develops a fault or isn’t what you ordered, please contact us with your order number and details of the problem. Include photos where helpful.
We’ll work with you to arrange the appropriate next steps, including any applicable return shipping arrangements.
The change-of-mind conditions above: including the 30-day limit, unused condition, original packaging requirements and freight exclusions: do not limit your rights under the Consumer Guarantees Act 1993.
Need a hand? Email contact@motozone.co.nz and we’ll help you get it sorted.