Skip to main content
Hi
!
Hi!
Sign in
or
register
Daily Deals
Brand Outlet
Gift Cards
Help & Contact
Sell
Watchlist
Expand Watch List
My eBay
Expand My eBay
Summary
Recently Viewed
Bids/Offers
Watchlist
Purchase History
Buy Again
Selling
Saved Feed
Saved Searches
Saved Sellers
My Garage
Sizes
My Collection
Messages
PSA Vault
Expand Notifications
Please
sign-in
to view notifications.
Expand Cart
Loading...
eBay Home
Shop by category
All Categories
Search
Advanced
breadcrumb
eBay
eBay Motors
Parts & Accessories
Motorcycle & Scooter Parts & Accessories
eBay Motors
Parts & Accessories
Motorcycle & Scooter Parts & Accessories
Engines & Engine Parts
Pistons, Rings & Piston Kits
The item you selected is unavailable, but we found something similar.
Confirm this item fits
Add your vehicle to make sure this item fits and qualifies for free returns.
Year
Make
Model
Submodel
Add vehicle
Picture 1 of 1
Picture 1 of 1
Namura Technologies - NX-40025-4 - Piston Kit, 1.00mm Oversized to 67.35mm, 10.9:1 Compression
Forward Powersports (394041)
99.6% positive feedback
Price:
$62.99
Free shipping
Est. delivery
Mon, Nov 10 - Fri, Nov 14
Estimated delivery Mon, Nov 10 - Fri, Nov 14
Returns:
30 days returns
.
Seller pays for return shipping
.
Condition:
New
New
2016 YZ250X. 2017 YZ250X. 2018 YZ250X. 2019 YZ250X. 2020 YZ250X. 2021 YZ250X. 2022 YZ250X. 2023 YZ250X.
See full description
Buy It Now
Namura .040 Over Bore Piston Kit for Yamaha YZ250 & YZ250X fits 1999-2024 67.4mm
Sign in to check out
Check out as guest
Add to cart
See all details
Oops! Looks like we're having trouble connecting to our server.
Refresh your browser window to try again.
About this product
Product Identifiers
Brand
Namura Technologies
Manufacturer Part Number
NX-40025-4
eBay Product ID (ePID)
13038197780
Additional Product Features
Part Type
Piston Kit
Show More
Show Less
All listings for this product
Listing type
Buy It Now
Buy It Now
selected
Condition
-
New
Namura .040 Over Bore Piston Kit for Yamaha 1999-2017 YZ250 67.40mm NX-40025-4
item 1 Namura .040 Over Bore Piston Kit for Yamaha 1999-2017 YZ250 67.40mm NX-40025-4
$52.99
Free shipping
Namura Piston Kit - 1.00mm Oversized to 67.35mm, 10.9:1 Compression NX-40025-4
item 2 Namura Piston Kit - 1.00mm Oversized to 67.35mm, 10.9:1 Compression NX-40025-4
$62.99
Free shipping
Namura .040 Over Bore Piston Kit for Yamaha YZ250 & YZ250X fits 1999-2024 67.4mm
item 3 Namura .040 Over Bore Piston Kit for Yamaha YZ250 & YZ250X fits 1999-2024 67.4mm
$62.99
Free shipping
Namura NX-40025-4 Piston Kit for 1999-16 Yamaha YZ250 - 67.35mm
item 4 Namura NX-40025-4 Piston Kit for 1999-16 Yamaha YZ250 - 67.35mm
$66.18
Free shipping
Namura Piston +1mm 67.35mm 10.9:1 for Yamaha YZ250 2-Stroke/YZ250X 2-Stroke
item 5 Namura Piston +1mm 67.35mm 10.9:1 for Yamaha YZ250 2-Stroke/YZ250X 2-Stroke
$68.18
Free shipping
NAMURA PISTON KIT 67.35MM
item 6 NAMURA PISTON KIT 67.35MM
$69.81
Free shipping
Piston Kit Ceramic Composite Cylinder 67.35/+1.00 10.9:1 for Yamaha NX-40025-4
item 7 Piston Kit Ceramic Composite Cylinder 67.35/+1.00 10.9:1 for Yamaha NX-40025-4
$71.35
Free shipping
Namura NX-40025-4 Piston Kit 67.35mm
item 8 Namura NX-40025-4 Piston Kit 67.35mm
$71.96
Free shipping
Namura Piston Kit - 1.00mm Oversized to 67.35mm, 10.9:1 Compression - NX-40025-4
item 9 Namura Piston Kit - 1.00mm Oversized to 67.35mm, 10.9:1 Compression - NX-40025-4
$72.56
Free shipping
Namura Piston Kit 67.35mm NX-40025-4
item 10 Namura Piston Kit 67.35mm NX-40025-4
$75.56
Free shipping
Namura NX-40025-4 Piston Kit for Engine Pistons Piston Kits gv
item 11 Namura NX-40025-4 Piston Kit for Engine Pistons Piston Kits gv
$75.72
Free shipping
Namura Piston Kit 67.35mm NX-40025-4
item 12 Namura Piston Kit 67.35mm NX-40025-4
$75.99
Free shipping
Namura NX-40025-4 Piston Kit 67.35mm
item 13 Namura NX-40025-4 Piston Kit 67.35mm
$77.25
Free shipping
NX-40025-4 NAMURA PISTON KIT 67.35MM
item 14 NX-40025-4 NAMURA PISTON KIT 67.35MM
$77.81
Free shipping
Namura Piston Kit 67.35mm | NX-40025-4
item 15 Namura Piston Kit 67.35mm | NX-40025-4
$82.09
Free shipping
Namura Namura Piston Kit 67.35mm
item 16 Namura Namura Piston Kit 67.35mm
$72.63
+$9.90 shipping
Namura Piston Kit, 1.00mm Oversized to 67.35mm, 10.9:1 Compression | NX-40025-4
item 17 Namura Piston Kit, 1.00mm Oversized to 67.35mm, 10.9:1 Compression | NX-40025-4
$84.37
Free shipping
Namura Technologies NX-40025-4 Piston Kit - 1.00mm Oversized to 67.35mm, 10.9:1
item 18 Namura Technologies NX-40025-4 Piston Kit - 1.00mm Oversized to 67.35mm, 10.9:1
$85.16
Free shipping
Namura Coated Piston Kit with Rings & Pin - 67.35mm NX-40025-4
item 19 Namura Coated Piston Kit with Rings & Pin - 67.35mm NX-40025-4
$85.45
Free shipping
Namura Piston Kit 67.35mm NX-40025-4
item 20 Namura Piston Kit 67.35mm NX-40025-4
$76.46
+$9.95 shipping
NAMURA NX-40025-4 PISTON KIT 67.35MM
item 21 NAMURA NX-40025-4 PISTON KIT 67.35MM
$90.24
Free shipping
Namura .040 Over Bore Piston Kit for Yamaha 1999-2017 YZ250 67.40mm NX-40025-4
item 22 Namura .040 Over Bore Piston Kit for Yamaha 1999-2017 YZ250 67.40mm NX-40025-4
$93.37
Free shipping
Namura .040 Over Bore Piston Kit for Yamaha 1999-2017 YZ250 67.40mm NX-40025-4
item 23 Namura .040 Over Bore Piston Kit for Yamaha 1999-2017 YZ250 67.40mm NX-40025-4
$93.37
Free shipping
Namura .040 Over Bore Piston Kit for Yamaha 1999-2017 YZ250 67.40mm NX-40025-4
item 24 Namura .040 Over Bore Piston Kit for Yamaha 1999-2017 YZ250 67.40mm NX-40025-4
$95.59
Free shipping
PISTON KIT CERAMIC COMP CYL 67.35/+1.00 10.9:1 Yamaha YZ250X YZ250 1999-2022
item 25 PISTON KIT CERAMIC COMP CYL 67.35/+1.00 10.9:1 Yamaha YZ250X YZ250 1999-2022
$96.95
+$15.00 shipping
See all 25
listings for this product
Best Selling in Pistons, Rings & Piston Kits
Wiseco - 804M06640 - Piston Kit, Standard Bore 66.36mm
(16)
$118.77 New
$118.77 New
$42.99 Used
$42.99 Used
Wiseco - 4840M04700 - Piston Kit, Standard Bore 46.97mm, 11:1 Compression
(7)
$131.97 New
$131.97 New
---- Used
No used products available
Wiseco PK1154 fits Kawasaki 98-13 KX100 /Suzuki RM100 03-05 (651M) Piston
(2)
$39.99 New
$39.99 New
---- Used
No used products available
Wiseco - 4785M09500 - Piston Kit, Standard Bore 94.94mm, 12.5:1 Compression
(13)
$203.97 New
$203.97 New
$140.00 Used
$140.00 Used
Wiseco - 726M05400 - Piston Kit, Standard Bore 53.95mm
(3)
$129.99 New
$129.99 New
---- Used
No used products available
Hastings - 6164 - Cast Ring Set, Standard Bore
(9)
$31.20 New
$31.20 New
---- Used
No used products available
Genuine Honda OEM Piston Ring Set 2007-2009 Crf150r / RB CRF 150
(1)
$25.99 New
$25.99 New
---- Used
No used products available
Save on Pistons, Rings & Piston Kits
Trending price is based on prices over last 90 days.
Wiseco 4840M04700 Piston Kit for Engine Pistons Piston Kits ec
$131.97
Trending at
$156.94
Wiseco Piston Kit Standard Bore 54.00mm 1992-2003 CR125R 676M05400
$109.97
Trending at
$123.46
Wiseco 2638XA ATV Rings Xa Type
$44.99
Trending at
$88.27
PISTON RINGS 53.94MM FOR NAMURA PISTONS ONLY Gas-Gas Honda Husqvarna Kawasaki
$9.45
Trending at
$14.64
YAMAHA YZ125 Piston Kit 845M05400 05-14
$100.00
Trending at
$149.94
Yamaha YZ125, 1998 1999 2000 2001, Wiseco Std Piston Kit - 726M05400 - YZ 125
$131.97
Trending at
$158.94
You may also like
Namura Technologies Motorcycle & Scooter Pistons, Rings & Piston Kits
Namura Technologies Car & Truck Pistons & Rings
Namura Technologies Motorcycle Accessories
Namura Technologies Motorcycle & Scooter Engine Rebuild Kits & Components
Namura Technologies Motorcycle Engine Gaskets and Seals
Motorcycle & Scooter Pistons, Rings & Piston Kits