SKU: 9484264703

58mm 2001-2008 Honda FS125 Sonic Cylinder Piston Gasket Rebuild Kit 125cc 12100-KGH-900

$24.09 $26.77
Save 10%
No.2 Bestseller on chemicals-recycling.com >

Pay in installments of $6.69 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 16 - Jul 21

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

58mm 2001-2008 Honda FS125 Sonic Cylinder Piston Gasket Rebuild Kit 125cc 12100-KGH-90058mm Cylinder Piston Gasket Rebuild Kit Fit For Honda CBR R 125 Sonic 125 4T 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

58mm Cylinder Piston Gasket Rebuild Kit Fit For Honda CBR R 125 / Sonic 125 4T

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 bore size - 58mm x 47.2mm stroke, 13mm steel piston pin.
Compression Ratio: 11:1.
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: 124cc
Bore Type: Standard Bore
Cylinder Type: KGH
Bore diameter: STD 58mm
Stroke: 47.2mm
Pin diameter: 13mm

Replacement Part Number:
Cylinder: 12100-KGH-900
Cylinder Base Gasket: 12191-KGH-901
Cylinder Head Gasket: 12251-KTY-D30
Piston (Std): 13101-KGH-902
Pin, Piston: 13111-KGH-903
Piston Ring Set (Std): 13011-KGH-305
Circlips, piston: 13115-GN5-910
Tensioner Gasket: 14560-KGH-900
Valve Stem Seal: 12209-GB4-682

Attention:
This kit from Honda Sonic 125. The Sonic is fitted with the European CBR125R and Indonesian CS1 4-stroke engine.
Difference between Sonic and CBR 125 cylinder only crankcase surface.
CBR125: For kit neccessary modify you crankcase. Modify only surface, look second pictures. Occlude gap. (welding or aluminium glue : Load gap in crankcase, with two component epoxy base aluminium glue.).
After modify use CBR or Sonic cylinder as well good.

Fits Models:
Fit for Honda CBR125R 2004-2017
Fit for Honda FS125 Sonic 2001-2008

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

Package Includes:
1x 58mm Cylinder (12100-KGH-900)
1x Piston
1x Piston Ring Set
1x Wristpin
1x Circlip(2)
1x Cylinder Base Gasket (12191-KGH-901)
1x Cylinder Head Gasket
1x Tensioner Gasket
2x Valve Stem Seals

Note:
This cylinder(Sonic 125) is NOT the complete same look as the original CBR125, the crankcase suface need to modify, please don't purchase if you can NOT accept.

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: 9484264703

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.7 ★★★★★
Based on 5 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
T
Verified Purchase
Tammy J
Alexandria, US
★★★★★ 5
All 3 Dogs Want The Benebone Ring Now
Flavor Name: REAL Bacon, Size: Large
Rescued an Old English Sheepdog and after about 2 weeks, he started chewing things in the house. We knew he enjoyed chewing sticks in the backyard, but chewing things in the house was a no go. Purchased this Benebone Ring (bacon) hoping it would help to curb some of the issues we were having. I am happy to report that so far, after 3-4 weeks of him having the Benebone Ring, he has not chewed a single thing inside the house. He loves this ring and carries it in and out during the day so that he has it with him. The only problem we ran into was our other 2 dogs ALSO wanted the Benebone Ring. While they are not big chewers, suddenly this toy became the must have item in the house. So of course, we had to get more. Highly recommend this chew toy as it is not only durable, it appears to be highly desirable. Keep in mind however that this toy is heavy. So when your dog decides to drop it on your hardwood floors, you WILL hear it in every room in the house!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026
A
Verified Purchase
Ashley
Houston, US
★★★★★ 5
My babies love their Benebones!
Flavor Name: REAL Bacon, Size: Large, Flavor Name: REAL Bacon, Size: Large
My one-year old pittie is 60lbs and has severe allergies to EVERYTHING, she's on medicated food and all the crazy things, and so I was trying to find something that wouldn't mess up her regimen by her ingesting it. This is PERFECT. She loves her medium sized Benebone! She carries it everywhere haha. I have three other big dogs, and got the largest one for my 110lb German Shepherd and she also loves it. I keep an eye on the edges and sand them down if I find anything sharp. These things are TOUGH. My pitbull can eat a massive bully stick in less than ten minutes, and she's barely made a dent in this thing! My GSD is a little more delicate and likes to savor and enjoy her toys, so hers isn't progressing as fast. She eats Yak Chews in around 30 minutes (and those things are like concrete!) I think these will easily last a month, possibly more, and for the price you can't beat it. The value is insane. I spend maybe 200$ a month on rawhide alternatives and bully sticks and yak chews for them, and these 14$ things last infinitely longer. BTW these things hurt like a mother trucker when you step on them, so keep an eye on where they are haha they're big and heavy!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 9, 2025
D
Verified Purchase
Dana Zorn
Omaha, US
★★★★★ 5
Love these for super chewers
Flavor Name: REAL Bacon, Size: Large
I have two pit bulls and they destroy everything. These have held up very well for weeks. I use the cups for their morning yogurt and can even use hot water wand soap to wash them out. These are a great value for the money and the dogs love to carry them around in their mouths and even tug o war with them. Highly recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
C
Verified Purchase
Carla Savini
Fort Morgan, US
★★★★★ 3
Good
Flavor Name: REAL Bacon, Size: Medium
Decent product, my dog likes it, except I think it’s made of some kind of plastic
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 3, 2026
M
Verified Purchase
manuel rodriguez
Lowell, US
★★★★★ 5
My dog loves it
Color: 1 PC-Beef-Red, Color: 1 PC-Beef-Red
The bone arrived today and my dog loves it. He is a very aggressive chewer and destroyed almost all his toys so far, even toys that were advertised for aggressive chewers unfortunately didn't held out long, the longest so far was a stuffy we couldn't find anymore and that one lasted him a few weeks but everything else lasted him an hour up to a few days max, even bones don't last him long so we have our hopes set on this bone to satisfy his chewing needs. I will update my review later on sturdiness, since we just got it and I can't review that yet but so far he loves it he has been chewing on it non stop, he already managed to get very small pieces of as shown in picture but with a regular bone he would've already been much much further. The bone is only 10 bucks so the value for money you get based on my experience so far is amazing! But also for this I will come back later to touch upon more. The size is good, our boy is a medium sized dog and this bone was advertised for medium to large size dogs and I thinks the size is just right for our boy . And there is definitely a beef flavor on it you can smell it but it doesn't smell bad it's a nice smell and not very strong but when he is chewing on it you smell it. I would based on my experience so far definitely recommend this bone but also on this I will touch back upon later if it's worth it in the long run. So far a very happy dog and owners here. Edit on May 8th (original review was on March 11th) He still hasn't managed to destroy it it's the first (cgew)toy he hasn't managed to destroy yet which is very impressive since he managed to destroy the even most toughest things we got for him in a week tops and bones within 1, 2 days tops, so we are very happy and pleased with this bone and will definitely get more later. He still enjoys chewing on it and leaves our things mostly alone for some reason he just likes stealing my things and chew on it lol. So 2 months later still stand by recommending this when your dog loves to chew and destroys everything he puts his mouth on.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 11, 2026

recommand products

Esclusivi Forchetta Tavola In Acciaio Inox Forgiato - Set 12 Pz
60.00
Trumpet Cucchiaio Frutta In Acciaio Inox Forgiato - Set 12 Pz
34.20
Cut Coltello Scannare In Acciaio Inox - Polipropilene
16.00
Sybaris Servizio Posate In Acciaio Inox - Set 24 Pz
91.00
Capitolium Coltello Bistecca In Acciaio Inox - Set 12 Pz
113.00