Wiseco 2010 Kawasaki KX250F 13.21 CR (40009M) Piston Kit

Wiseco 2010 Kawasaki KX250F 13.21 CR (40009M) Piston Kit

Marsoni

M251S

$149.29

Get it in 3 business days with 1 day shipping. Friday, May 29

Wiseco 2010 Kawasaki KX250F 13.21 CR (40009M) Piston KitThe Wiseco team has remained at the forefront of powersports performance through every era and evolution, including the development of high performance 4 strokes. Today, Wiseco's forged 4 stroke pistons are designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength. Proven at every level of riding, Wiseco 4 stroke pistons are ready to deliver the power and reliability

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Edit: Still holding proper pressure at 2-months !!! Had a slow leak where my tire went from 44psi to ~18psi over 2-3 days… Dashboard light would let me know every few days that I had a tire problem and I would inflate the tire back up to 44psi… Anyway, I used this product and filled air back to 44 psi and it’s held the pressure for a month already !!!! Be sure to deflate tire to ~15 PSI before adding the product… it only took about 30 seconds to empty the container into my tire with the tire pressure low. Very happy with this product !!!

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Reviewed in the United States on April 6, 2026

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Kindle Customer

New York, US

★★★★★ 5

Excellent stuff!

Style: 18oz

Used this on a Z-Trac with a flat and it fixed it and has held up for over 8 months.

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Reviewed in the United States on May 11, 2026

Verified Purchase

John V. Green

Natrona Heights, US

★★★★★ 5

Greats stuff

Style: 14oz

Works super, has kept air steaycfor over 6 months, no leaks

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Reviewed in the United States on May 30, 2026

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Chris_9725

Port Orchard, US

★★★★★ 4

Effective temporary fix

Style: 18oz, Style: 18oz

The slim brand has always been an genuine effective fix. I have been using slime since I used to ride on bicycles. Well it is not a permanent fix for if you have a hole in your inner tube it is a great fix to hold you over until you are able to get to either the mechanic or to your local store to get a replacement inner tube. Overall, it's worth every penny and you get plenty in the canister that it comes in depending on which slime you are getting whether that's the plastic bottle for your inner tubes for a bicycle or the metal canister as I've shown in my picture for your SUVs trucks or vans. However I don't give this an entire five stars but more of four stars not because of their product but because resorting to using slime rather than fixing the problem is more of my own problem. ⭐⭐⭐⭐ 👍👍

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Reviewed in the United States on February 25, 2024