SKU: 24467541524

1986-2002 Honda C90 Cub 90CC CYLINDER REBUILD ENGINE KIT 12101-GB1-900 12200-GN8-920

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Description

1986-2002 Honda C90 Cub 90CC CYLINDER REBUILD ENGINE KIT 12101-GB1-900 12200-GN8-92047mm Cylinder Head Piston Gasket Top End Rebuild Kit 90cc For Honda TRX90 C 90 ST 90 CRF XR 90 Features: Complete engine cylinder Top end rebuild kit for Honda 90cc. 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, cylinder head, piston, rings, pin, clips & top end gasket kit (you get exactly what is pictured). Includes all

47mm Cylinder Head Piston Gasket Top End Rebuild Kit 90cc For Honda TRX90 C 90 ST 90 CRF XR 90

Features:
Complete engine cylinder Top end rebuild kit for Honda 90cc.
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, cylinder head, piston, rings, pin, clips & top end gasket kit (you get exactly what is pictured).
Includes all gaskets pictured to rebuild top end.
Kit is for standard bore size - 47mm, 13mm 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, Steel
Displacement: 86cc
Bore Type: Standard Bore
Bore Size: STD 47mm
Intake Valve: 23mm
Exhaust Valve: 20mm
Pin Diameter: 13mm
Pin Overall Length: 38.5mm

Replacement Part Number:
Cylinder: 12101-GB1-900
Cylinder Head: 12200-GN8-920
Cylinder Head Cover: 12301-GB6-910
Cylinder Head Cover Gasket: 12391-GW8-680
Cylinder Head R Side Cover: 12331-GB0-910
Cylinder Head R Side Cover Gasket: 12394-GW8-680
Cylinder Head L Side Cover: 12341-GB6-910
Cylinder Head L Side Cover Gasket: 12395-GW8-680
Oil Drain Plug(x2): 12361-035-000
Cylinder Base Gasket: 12191-GW8-681
Cylinder Head Gasket: 12250-GAN-770
Piston (Std): 13101-GT0-000
Pin, Piston: 13111-GB0-910
Piston Ring Set (Std): 13011-HF7-305
Circlips, piston: 94601-13000
Valve Stem Seals: 12209-GB4-681
Carb Insulator Gasket: 16201-HF7-000

Fits Make/Model/Year:
Fit for Honda TRX90 Sportrax 1993-2005
Fit for Honda C90 Cub 1986-2002
Fit for Honda C90M Cub 1985-2003

Maybe also fit Chinese 90cc ATV, such like Kazuma Falcon 90, Baja 90 90U 90R Trail ATV, Baja 90 Wilderness, Roketa 90,Coolster 90,Suni 90 ,Taotao 90 and more.

Will not fit Honda CT90, ST90 - Flat Top Piston will not fit models with domed piston.

Please compare our kit with your original part to make sure this is the correct kit that you want.

(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 Cylinder Head
1x Cylinder Head Cover
1x Cylinder Head Cover Gasket
1x Cylinder Head R Side Cover
1x Cylinder Head R Side Cover Gasket
1x Cylinder Head L Side Cove
1x Cylinder Head L Side Cover Gasket
2x Oil Drain Plug
1x Cylinder Base Gasket
1x Cylinder Head Gasket
1x Flat Piston
1x Piston Pin
1x Piston Ring Set
2x Circlips
2x Valve Stem Seals
1x Carb Insulator Gasket
1x O-Ring kit

Note:
Please note that this kit is intended to be installed in it's entirety.
It is built to work as a unit and will not necessarily be an exact swap with individual existing components on different Honda 90 models.
Please confirm that the engine in your bike is the year and model you expect.
Some of these bikes are over 50 years old now and are not always all original.

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: 24467541524

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4.6 ★★★★★
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cecilia hudes
Natrona Heights, US
★★★★★ 5
Easy assembly and great cut
Husband said it was easy to put together and the blade did a great job
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
O
Verified Purchase
Odie1Coyote
Grantham, US
★★★★★ 5
Great power and east to maintain straight cuts.
I have zoysia grass, and if your familiar with that you know its as thick as crab grass. I also had a sidewalk and driveway that hadn't been edged for a couple of years. This edger was up for the task. It easily cut away 3-5 inches of over-growth a few inches thick. I actually filled up 3 lawn bags which is a lot. I also like the way the edger is easy to maintain a straight line for a nice finish. I found that a back-and-forth motion was the best way to remove years of over-growth. Now that I have conquered the over-growth, I run the edger once every month and I am able to keep a clean professional looking edge along my driveway and sidewalks. Because this is electric, it has plenty of power. And because of the wheels it is easy to move and is not to heavy. It's a little loud so ear protection would be wise but not necessary. I have purchased some replacement blades and put them on and it only takes a few minutes and is easy to do. My neighbor was using his battery powered edger, he has zoysia grass also and asked to borrow my edger. He has since bought his own just like mine.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 3, 2025
S
Verified Purchase
Steve
Port Orchard, US
★★★★★ 5
Great edger
This is a great lightweight and portable edger. It’s much easier to use than a gasoline powered model. The only limiting factor is the length of the electric cord. It does a great job and make sure your driveways and sidewalk look manicured.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 6, 2026
S
Verified Purchase
sunshine
Draper, US
★★★★★ 5
Easy of use.
Easy to use for edging driveway. I am not a professional and a senior who is learning to take care of my yard.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
M
Verified Purchase
Movie Fan
Lowell, US
★★★★★ 3
Nice Edger as long as the blade doesn't come loose -- and it will come loose, repeatedly!
Probably could've/should've rated this 2 stars yet it works well when it works. I purchased this edger to edge my drive and sidewalks and not for trenching. The edger arrived very quickly after I ordered it (I am not a Prime member so this was a nice surprise). Assembly was easy and straight-forward. The first use went smoothly and the edger performed flawlessly and provided clean, smooth edging. About 20 minutes into the second use I noticed that the edger was cutting and quickly determined that the blade was spinning freely -- fortunately the hex nut was still attached to the threaded shaft. I reviewed the manual that came with the edger, grabbed the correct sized socket and torque wrench. I removed the hex nut, the first washer, the blade and then the second washer. To install I followed the directions ensuring that the flats of the washer aligned with the flat on the shaft and tightened the hex nut to the specified 140 in-lbs. The edger worked well for about 10 minutes and the blade once again became loose. This time I replaced the original blade (which did not need to be replaced from a wear perspective) with a new B&D blade and new washers. Once again I followed the instructions and this time the edger performed flawlessly until about 5 minutes remaining in my edging when once again the blade came loose. my experience has most certainly been frustrating to say the least. one should not need to carry a socket and torque wrench with them and repeatedly need to tighten the blade. So, when the edger performs as intended it does an excellent job at edging; however I have no confidence that this edger will be able to perform as intended throughout repeated uses and more importantly has shown that it cannot complete my edging without requiring tightening the blade (which requires disassembly down to the second keyed washer). Potential buyers should be prepared for this experience and make your decision accordingly. Note: I tried contacting black and decker via twitter (@blackdeckerhome) and never received a response; I could not find a separate customer service/support twitter account. Trying to contact customer service via the phone these days is an exercise in patience to say the least.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 11, 2022

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