SKU: 70622104438

Yamaha 2009-2021 YFZ450R / 2010-2011 YFZ450X Top End Rebuild Kit Cylinder Piston Gasket

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Description

Yamaha 2009-2021 YFZ450R / 2010-2011 YFZ450X Top End Rebuild Kit Cylinder Piston GasketTop End Rebuild Kit Cylinder Piston Gasket Fit for Yamaha 2009 2021 YFZ450R 2010 2011 YFZ450X 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

Top End Rebuild Kit Cylinder Piston Gasket Fit for Yamaha 2009-2021 YFZ450R / 2010-2011 YFZ450X 

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 - 95.00mm bore x 63.40mm 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
Piston Material: Forged Aluminum
Actual Displacement: 449cc
Bore Type: Stanard Bore
Bore Size: STD 95.00mm
Stroke: 63.40mm
Pin Length: 48mm
Pin Diameter: 20mm

Replacement Part Number:
Cylinder: 2S2-11311-10-00, 2S2-11311-11-00
Cylinder Base Gasket: 2S2-11351-00-00
Cylinder Head Gasket: 2S2-11181-00-00
Chain Tensioner Gasket: 4FM-12213-00-00
Exhaust Gasket: 3VD-14613-01-00
Piston(Std): 5TG-11631-11-00, 5TG-11631-12-00
Pin, piston: 5TG-11633-10-00
Piston Ring Set(Std): 5TG-11603-00-00
Circlip, piston: 93450-22027-00

Fits Models:
(fits YFZ450R and YFZ450X FUEL INJECTED models ONLY, will NOT fit YFZ450 CARBURETED MODEL Models.)
Fit for Yamaha YFZ450R 2009 - 2021
Fit for Yamaha YFZ450X 2010 - 2011

Also fits 06-09 YZ450F & 07-11 WR450F off-road, only the cylinder and gasket will fit, pistion kit will NOT fit,
cause our wristpin is 20mm, fits YFZ450, and YZ450F & WR450F required 18mm wristpin, you can use your original piston kit, please do not purchase if you can not accept it.

Fit for Yamaha YZ450F 2006-2009 (Only cylinder and gasket kit will fit.)
Fit for Yamaha WR450F 2007-2009/2011 (Only cylinder and gasket kit will fit.)

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

Package Includes:
1x 95mm Cylinder
1x Piston(STD)
1x Piston Ring Set
1x 20mm Wristpin
2x Circlips
1x Cylinder Base Gasket
1x Cylinder Head Gasket
1x Chain Tensioner Gasket
1x Exhaust Gasket

Note:
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: 70622104438

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4.3 ★★★★★
Based on 14 reviews
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Product Reviews
P
PapaPukky
Dallas, US
★★★★★ 5
Great value
This repair pack for my robot vacuum was great. It had everything for a total glow up.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 28, 2025
M
MarleeJ
Carnegie, US
★★★★★ 4
Good Value Replacement Kit for Eufy C20
This accessories kit for the Eufy C20 Omni Robot vacuum includes everything listed in the description. The 8 mop pads are consistent in size and shape. They aren’t quite as thick as the original pads that came with the unit, but they fit well and give me a good supply of clean replacements. With dogs in the house, my Eufy is running almost daily, so that’s a big plus. I haven’t used the other components yet since I had just replaced the bag and cleaned the filters before ordering. I’ll update my review if anything doesn’t fit as expected. For now, I’m comfortable giving this 4 stars — and if 4.5 were an option, that’s what I’d choose. This seems like a solid budget-friendly alternative to the OEM Eufy replacement parts.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 4, 2025
H
Verified Purchase
happy5283
Belleville, US
★★★★★ 5
A Game Changer for Pet Hair Cleanup!
Color: Black, Size: L40 Ultra Gen 2, Color: Black, Size: L40 Ultra Gen 2
This robot vacuum and mop combo has been fabulous. We have a golden retriever that constantly keeps us on our toes with shedding and cleaning, but this has definitely helped cut down the time spent cleaning every day. The suction power is impressive, it does a great job on pet hair, and the mop feature is a huge bonus. I also love the self-emptying dock and app control — it makes everything so convenient. Definitely worth it for pet owners!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
B
Verified Purchase
Benedict Holt
Waukegan, US
★★★★★ 5
Pretty solid upgrade from my old robot vacuum
Color: White, Size: L40 Ultra Gen 2
I bought this robot vacuum to replace an older one I had, and after using it for about a month, I’d say it’s been working pretty well overall. When I first got it, one thing I noticed was that it’s a bit on the larger side, so it does take up some space. Setup was pretty simple though, and once it got going, it just kind of did its thing without me having to babysit it. The suction is definitely strong enough for everyday dust and pet hair. I’ve used it on both hard floors and carpet, and it handled both without any issues. The mopping feature is new to me since my old robot didn’t have it. I’d say the results are about what I expected, it’s great for maintaining daily cleanliness, but for tougher stains it’s still not quite the same as scrubbing by hand. For regular upkeep though, it does the job just fine. The corner cleaning has actually been a nice surprise. It will go under furniture and use the side brush to get dust out of corners, which used to be something I had to do myself. Now I barely have to think about it. So far, both my family and I are pretty happy with it. We haven’t run into any major issues. It does a good job avoiding objects around the house, although there were a couple of times where its path looked a bit random to me. Still, most of the time it’s quietly doing its job and saving us a lot of time on cleaning.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026
L
Verified Purchase
Lili
Port Orchard, US
★★★★★ 5
Powerful and convenient
Color: Black, Size: L40 Ultra Gen 2
Really happy with this robot vacuum so far. The suction is strong and it picks up dust and pet hair easily. Mapping is accurate, and it cleans efficiently without missing spots. The self-emptying dock is super convenient and saves a lot of time. Mopping works well for light cleaning too.Overall, a great upgrade and definitely worth it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026

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