Stock 85mm Cylinder Piston Gaskets Top End Rebuild Kit For Honda TRX 400EX 400X
SKU: 67758718274

Stock 85mm Cylinder Piston Gaskets Top End Rebuild Kit For Honda TRX 400EX 400X

Sale price$102.39 Regular price$113.77
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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

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Description

Stock 85mm Cylinder Piston Gaskets Top End Rebuild Kit For Honda TRX 400EX 400XStock bore 85mm Cylinder Jug Barrel For Honda TRX 400EX 400X Top End Rebuild Repair Kit Piston Gaskets Features: If your cylinder blows through, the compression is too low, or even a piston seizure has occurred, then this kit is exactly the right thing for you. Kit includes cylinder, piston, rings, pin, clips & top end gasket kit (you get exactly what is pictured). Piston is anodized for superior heat resistance and longer lifespan. The gaskets use

Stock bore 85mm Cylinder Jug Barrel For Honda TRX 400EX 400X Top End Rebuild Repair Kit Piston Gaskets

Features:
If your cylinder blows through, the compression is too low, or even a piston seizure has occurred, then this kit is exactly the right thing for you.
Kit includes cylinder, piston, rings, pin, clips & top end gasket kit (you get exactly what is pictured).
Piston is anodized for superior heat resistance and longer lifespan.
The gaskets use performance materials to increase durability and provide greater reliability.
Includes all gaskets pictured to rebuild top end.
Kit is for standard size - 85 mm x 70 mm stroke, 20mm steel piston pin.
This kit is excellent as a low-cost replacement for defects in the original cylinder.

Specifications:
Condition: Aftermarket 100% Brand New
Quantity: 1 Set
Material: Aluminum
Displacement: 397cc
Bore Type: Stanard Bore
Bore Size: STD 85mm
Stroke: 70mm
Pin Diameter: 20mm

Replacement Part Number:
Cylinder: 12100-KCY-670, 12100-HN1-A70
Cylinder Base Gasket: 12191-KCY-671, 12191-HN1-A71
Cylinder Head Gasket: 12251-HN1-003, 12251-HN1-A41
Cylinder Head Cover Gasket: 12391-KCY-671
Starter Cover Gasket: 11377-HN1-010
Oil Pump Gasket: 15151-KCY-671
Tensioner Gasket: 14560-KCW-851
Piston (Std): 13101-KCY-670
Pin, piston: 13111-KCY-670
Ring Set, piston: 13011-KCY-670
Circlips, piston(1.2x20): 90601-KA5-000
O-Ring(1.5x9.5): 91306-MG3-000
O-Ring(35.5x3): 91301-428-003
Exhaust Gasket: 18291-MN5-650
Intake Manifold O-ring(45x2.5): 91303-397-000
Valve Stem Seal: 12209-KL4-005

Fits Models:
Fit for Honda TRX400EX Sportrax 1999-2008
Fit for Honda TRX400X 2009-2014

Fit for Honda XR400R 1996-2004

(Compatibility Chart is for Reference ONLY!!!)
(Please Compare with Your faulty unit and the image we provided to Decide Fitment)

Package includes:
1x Cylinder
1x Piston(STD)
1x Piston ring set
1x Wristpin
1x Circlip(2)
1x Cylinder base gasket
1x Cylinder head gasket
1x Cylinder head cover gasket
1x Chain tensioner gasket
1x Starter cover gasket
1x Oil pump gasket
2x Exhaust gaskets
1x Intake manifold O-ring(45x2.5)
5x O-Rings(1.5x9.5)
4x O-Rings(35.5x3)
8x Valve stem seals

Note:
Carefully compare to your old parts to be sure this is the correct part for your machine.

The product on offer is an accessory or spare part and thus is not an original product of the vehicle manufacturer.
The name of the vehicle manufacturer is stated only as an indication of the determination of the product being offered as an accessory or spare part, to clarify, for which vehicle the product on offer Fits.


Warranty:
Returns: Customers have the right to apply for a return within 60 days after the receipt of the product
24-Hour Expert Online: Solve your installation and product problems

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 67758718274

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Shani
Whiting, US
★★★★★ 5
Cute and super convenient for travel
Color: Black
Really happy with this jewelry box overall. It’s compact, lightweight, and perfect for travel. The compartments are well designed for rings, earrings, and even long bracelets, which fit really nicely. The only downside for me is the necklace section. When using multiple necklaces, they can get tangled, so it’s not the most practical part of the case. Other than that, it’s a great product for the price and looks very cute
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Reviewed in the United States on April 23, 2026
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Justme
Massapequa, US
★★★★★ 5
Nice gift!
Color: Black
I got this as a gift for a coworker and it was cute compact and of good quality. I love the earring compartment for her because she always wears earrings and she travels, I figured it would be a great thing for her to have.
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Reviewed in the United States on January 12, 2026
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Mama B
Draper, US
★★★★★ 3
Closing
Color: Pink
Hard to close while earrings are in the case. Decent size and easy to carry around. Good quality, looks good and helps me keep my jewelry organized.
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Reviewed in the United States on December 30, 2025
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CakeBaker
West Palm Beach, US
★★★★★ 5
Pretty Box
Color: Black
Nicely made for travel. Holds a lot of different kinds of jewelry. Good price, would buy again.
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Reviewed in the United States on March 28, 2026
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April Hollars
Draper, US
★★★★★ 5
Gorgeous Tiffany-Blue & Perfect for Travel
I absolutely adore this little jewelry case. I don’t have a huge jewelry collection, so the size is perfect for me. It keeps everything organized without being bulky. The zipper feels very sturdy and smooth — not flimsy at all. And for anyone who loves Tiffany’s blue… the color is almost an exact match. I can set it next to my Tiffany box and it’s nearly identical. It’s such a pretty, luxe-looking shade. Highly recommend.
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Reviewed in the United States on February 18, 2026

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