SKU: 51991803059

Rieju MRT Racing 125 AC 4T 185cc Cylinder Barrel Kit 5VL-E1310-00 5VL-E1351-10

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Description

Rieju MRT Racing 125 AC 4T 185cc Cylinder Barrel Kit 5VL-E1310-00 5VL-E1351-1062mm Cylinder Piston Gasket Top End Rebuild Kit 185cc For Yamaha YBR 125 XT125R XT125X XTZ 125 Features: Cylinder kit Sport 185cc 5VL00. 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, forged piston, rings, pin, clips & top end gasket kit (you get exactly what is pictured). The cylinder is made of aluminum for good cooling with

62mm Cylinder Piston Gasket Top End Rebuild Kit 185cc For Yamaha YBR 125 XT125R XT125X XTZ 125

Features:
Cylinder kit Sport 185cc 5VL00.
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, forged piston, rings, pin, clips & top end gasket kit (you get exactly what is pictured).
The cylinder is made of aluminum for good cooling with an internal cast iron jacket (unlike which has a nicasil treatment).
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 big bore size - 62 mm, 15mm steel piston pin.
The compression is designed for use with the original cylinder head.
When installing, the carburettor must be re-tuned or better replaced with a larger sports carburettor.
Engine 185cc block with 123CC markings.
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, Steel
Displacement: 185cc
Engine: 4-Stroke / 154FMI engines
Cooling: Air-cooled
Bore Type: Big Bore
Bore diameter: 62mm
Pin diameter: 15mm
Pin Overall Length: 50mm

Replacement Part Number:
Cylinder: 5VL-E1310-00
Cylinder Base Gasket: 5VL-E1351-10
Cylinder Head Gasket: 5VL-E1181-00
Pin, Piston: 5VL-E1181-00
Circlips, piston (2): 93450-16068
Valve Stem Seals (2): 5VL-E2119-00
Chain Tensioner Gasket: 5VL-E2213-10

Fits Make/Model/Year:
Fit for Yamaha YFM 125 Raptor 125 2011-2013
Fit for Yamaha TT-R 125 4T AC 2000-2004
Fit for Yamaha TT-R 125 E 4T AC 2003-2009
Fit for Yamaha TT-R 125 L 4T AC 2000-2008
Fit for Yamaha TT-R 125 LE 4T AC 2003-2023
Fit for Yamaha SR 125 4T AC 1987-2002
Fit for Yamaha XT-R 125 XT125R 4T AC 2005-2012
Fit for Yamaha XT-X 125 XT125X 4T AC 2005-2012
Fit for Yamaha XTZ 125 4T AC 2003-2014
Fit for Yamaha YBR 125 4T AC 2004-2016
Fit for Yamaha YBR 125 Custom 4T AC 2008-2016
Fit for Beta RR 125 Enduro 4T AC 2006-2017
Fit for Beta RR 125 Motord 4T AC 2007-2015
Fit for Derbi Senda 125 4T AC 2008-2016
Fit for Derbi Senda Baja R Enduro 125 4T AC 2004-2016
Fit for Derbi Senda Baja SM Supermoto 125 4T AC 2004-2016
Fit for Gas Gas Randonne 125 AC 4T
Fit for Motorhispania MH7 125 4T AC
Fit for Motorhispania MH7 Naked 125 4T AC
Fit for Rieju MRT Freejump 125 Cross AC 4T
Fit for Rieju MRT Racing 125 AC 4T
Fit for Rieju MRX 125 (MR4T) AC
Fit for Rieju RS2 125 4T AC 2005-2010
Fit for Rieju Tango 125 4T AC 2006-2018

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

Package Includes:
1x 62mm Cylinder
1x Piston
1x Piston Ring Set
1x 15mm Wristpin
1x Circlip(2)
1x Cylinder Base Gasket
1x Cylinder Head Gasket
1x Chain Tensioner Gasket
2x Valve Stem Seals

(Comes exactly as pictured.)

Note:
This part will need modification to the casing in order to make it fit.

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: 51991803059

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4.5 ★★★★★
Based on 26 reviews
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Taylor Ashley
Lowell, US
★★★★★ 4
Okay serum, not as good as the cream though
I am obsessed with the cream version of this so I thought I’d give this a try. The dropper top allows for easy application. The formula is light and non greasy and absorbs easily. No harsh fragrances. I would use it when I had eczema flares on my face and feel like it didn’t work near as well in helping with skin irritation as the cream does. As of now I don’t use it as part of my regular skin care. Do I think it’s a bad product? No, but it didn’t really work wonders for me. Not sure I would purchase again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
E
Verified Purchase
Elizabeth from Houston
Dallas, US
★★★★★ 5
Helps with redness and softens skin
I have sensitive, mild rosacea skin. Had a facial recently and the aesthetician suggested I get a serum to help with moisturizer as I am almost 40. I’ve tried a lot of serums and either they are sticky and not really hydrating or break my skin out in a rash. This serum is amazing. Helps calm the redness in my cheeks and my skin is moisturized and soft all day. It feels a little sticky at first but it goes away. I apply in this order OSEA sea mineral mist toner to prep the skin, this serum and top off with Chanel La Solution 10 for sensitive skin.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 27, 2025
C
Verified Purchase
carolyn
Lowell, US
★★★★★ 5
Sensitive skin
Such a good product. I use after micro needling when skin is sensitive. Also a great product to use as a barrier serum when starting tretinoin cream.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026
L
Verified Purchase
Lindsay
Omaha, US
★★★★★ 5
Saved my skin during an eczema flare up
This saved my skin! I had an eczema flare on my face, and my usual products weren’t working. A friend recommended the Avene brand and within 3 days of using this rescue barrier serum, my flare was almost completely gone! This saved my face!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
B
Verified Purchase
B Helton
Massapequa, US
★★★★★ 1
PLEASE REVIEW — FORMULA CHANGED!!!
I wish I would’ve posted a review PRIOR to the formula changing but just know that I LOVED this serum. I’ve struggled with hormonal acne (PCOS) and eczema for as long as I can remember. Finally, last summer my dermatologist put me on (3) different RX including Spironolactone and Accutane. I was so tired so I stopped everything except for CeraVe cleanser, retinol (Tretinoin) and CeraVe healing ointment. My made up skin routine was working until I used too much Tretinoin and burned my face. I had read great reviews about this product so I thought, I might as well try it — and IT WORKED! I’ve been using this product for almost a year and I loved it. However, 3 weeks ago when I ordered it, I noticed the bottle had a green tint. I could tell after one use that the feel of the serum was different, more watery, not as thick as it used to be. The smell was also different. Still, I kept using it for nearly 2 weeks and I experienced 2 breakouts! Sure enough, I stopped the product and within a few days, my skin was back to normal. I am very upset because as someone who has extremely sensitive skin, this worked but unfortunately, the new formula isn’t for me.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026

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