All pistons are heat-treated with a T-5 hardening and tempering cycle
All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life
Kits include piston, rings, wrist pin, circlips, gaskets and cam chain, where applicable
Product Note:
Specification
Details
Bore
Varies (make selection above)
Compression Ratio
Varies (make selection above)
Country of Origin
Varies (make selection above)
Displacement
Varies (make selection above)
Material
Varies (make selection above)
Piston Diameter
Varies (make selection above)
Piston Type
Varies (make selection above)
Size
Varies (make selection above)
Size Over Standard
Varies (make selection above)
Vehicle Fitment
Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.
Arctic Cat
DVX 400 2004-2007
Gas Gas
EC 300 2021-2022
EX 300 2021-2022
MC 85 2021
Honda
CR125R 1992-2007
CR250R 2-Stroke 1997-2007
CR500R 1985-2001
CR80R 1990-2002
CR85R 2003-2007
CR85RB Expert 2003-2007
CRF250R 4-Stroke 2004-2017
CRF250X 4-Stroke 2004-2009, 2012-2017
CRF450R 2002-2016
CRF450X 2005-2009, 2012-2017
SXS500M2 Pioneer 500 2015-2019
TRX250EX Sportrax 250 2x4 2003-2008
TRX250TE FourTrax Recon 2x4 ES 2002-2014, 2016-2020
Everything fit as it should. Bike now runs and rides like it's brand new. No complaints
Vertex kit
By Scott T. on
Verified Purchaser
Great kit! Everything needed for top end at a great price!
Everything fit great
By Zachary B. on
Verified Purchaser
Everything fit great exactly as described for my 2020 KTM 150 SX.
So far so good
By Glenn P. on
Verified Purchaser
Was recommended by my local KTM dealer. Everything we needed was there. Giving a 5 in quality for now but we don't even have an hour on the bike yet. So far so good.
Great product and kit
By Tom D. on
Verified Purchaser
Great product and kit, has everything you need. This is our second Vertex kit for a KX. Replaced the first kit after 100hrs on top end, piston and cylinder were still clean and had good compression for the hours at 140 psi cold. Son rides daily and races hare scrambles.
Vertex Piston
By Diosvaldi M. on
Verified Purchaser
Quality.
Vertex Top End Piston Kit
By Jerry A. on
Verified Purchaser
Exactly what the doctor ordered! Everything needed was included!
Vertex piston kit
By Benjamin K. on
Verified Purchaser
Exactly what I was looking for. Fit perfect with no problems. Thanks Parts Giant.
Perfect for the price
By Matthew V. on
Verified Purchaser
Great product to refresh the top end, gave mine lots of power!
How many stars would you give this product? Write a review.
It says it will fit and the "Fitment Guaranteed" but if it does not fit on my stock yz 125, will i be able to return and get my money back?
Yes, looks like there is a stock size piston kit offered for that 2006 YZ125. Just be sure that you select the correct year/make/model and if possible inspect the engine before to ensure that you do indeed need a stock size piston.
2012 KTM 350EXc-F piston is 12.1 correct? this listing states 13-1 ,would it work without race fuel?
By Anon.
Yes, it would be a higher compression ratio than stock for that 2012 KTM 350 EXC-F. I believe you would be fine just running premium 93 octane fuel for that ratio.
Verified Purchaser
