Product Description
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.

⭐COMPATIBILITY ALERT

• VERIFY FITMENT BEFORE PURCHASE!

• This part fits vehicles listed in the compatibility chart ONLY

 For 100% accuracy, provide:

• Full VIN (17-digit)

• Original Part Number

• Vehicle Year/Make/Model/Engine Size

⭐Free fitment confirmation: Send Your specs + VIN + clear photos of your current part!

🚗Shipping Time:

✔Royal Mail/Evri/Yodel 5-7 working days include Handling time.

• Dispatch Time: Orders placed before 2 PM GMT shipped same day (Mon-Fri)

• Courier: Royal Mail / Evri / Yodel

• Highlands & Islands: +1-2 working days (postcode exceptions apply)

"Need it faster? Choose 'Express Delivery' at checkout!"

The estimated arrival times are specified directly from information provided by our couriers. These are estimates only and not a guaranteed delivery date.

We offer 60-day free returns for your peace of mind. To qualify for a full refund:

Contact Us First: Please message us through eBay Messages before opening a return request - we'll work with you to resolve any issues promptly.

 

For a faster resolution, please contact us first to discuss your return request.

If the return is due to change of mind, select "Didn't like item" or "Ordered by mistake".

For tem not as described, provide details and photos to help us assist you promptly.

 

 Inspection Process: All returns are inspected upon arrival. We reserve the right to refuse refunds if:

    Item shows signs of use/wear

    Return doesn't match the original product condition：missing/damaged

 

How Returns Work:

✅Contact us → We provide return instructions → Ship back securely

✅Refunds issued within 3-5 business days after warehouse approval

✅Original payment method will be credited (processing time may vary by bank)

Important Notes:

• Buyer pays return shipping if reason isn't seller error

• We recommend using tracked shipping for returns

• For defective items: Contact us immediately with photos/video evidence

 

We stand behind our products and will work to ensure your complete satisfaction!

Warranty Coverage:

✅90-365 Day Coverage (varies by product - see listing details)

✅ Excludes: Physical damage, liquid exposure, unauthorized repairs

✅ Required: Proof of purchase + clear defect photos/video

✅ Solution: Repair/replacement at seller's discretion

 

Claim Process:

1、Contact us within warranty period

2、Provide order number + defect evidence

3、We respond within 48h with solution

⭐Our Feedback Promise

Your Satisfaction Matters Most!

We work hard to earn your 5-star experience. Before leaving feedback, please:

1、Contact us first if there’s any issue – we’ll make it right!

2、 Verify your item meets expectations (check sizing/compatibility if applicable)

3、 Allow reasonable time for shipping/delivery

 

*** Ideal Feedback Includes:

✅ "Accurate description, fast shipping"

✅ "Great customer service"

✅ "Well-packaged, as advertised"

 

⭐Problem Resolution Guarantee:

Message us within 3 days of delivery for:

 

    Refunds/Replacements

    Missing parts inquiries

    Product guidance

 

⭐Please Avoid:

• Feedback related to shipping carriers (we can’t control delays)

• Comments about pricing (set by market value)

• Claims without prior contact attempts

 

⭐General Reminders:

• Check your spam folder for tracking emails

• Inspect packages before discarding outer boxes

• Save receipts for warranty purposes


MadHornets has given our customers the best Auto parts, Motorcycle parts available on the market. We do it all, from motorcycle, cars and trucks to SUVs and more. Basically, if it’s on wheels and you need it, we can handle it.

With our extensive knowledge and experience in this industry, we continue to bring you the best auto, motorcycle parts.

We have more than 20,000 square meters of self-owned or third-party warehousing and logistics bases in the United States, the United Kingdom, Australia and other countries, and have a complete supply chain system to deliver high-quality products from all over the world to consumers. We are also committed to the development of Electronics, Home Garden, Stage Lights and other categories.

MadHornets continues to bring you superior quality and cost effective products. We always stand behind our products by our Money Back Guarantee and Manufacturer Warranty. Don't hesitate, add this store to you favorites
Shipping

🚗Shipping Time:

✔Royal Mail/Evri/Yodel 5-7 working days include Handling time.

• Dispatch Time: Orders placed before 2 PM GMT shipped same day (Mon-Fri)

• Courier: Royal Mail / Evri / Yodel

• Highlands & Islands: +1-2 working days (postcode exceptions apply)

"Need it faster? Choose 'Express Delivery' at checkout!"

The estimated arrival times are specified directly from information provided by our couriers. These are estimates only and not a guaranteed delivery date.

Returns

We offer 60-day free returns for your peace of mind. To qualify for a full refund:

Contact Us First: Please message us through eBay Messages before opening a return request - we'll work with you to resolve any issues promptly.

 

For a faster resolution, please contact us first to discuss your return request.

If the return is due to change of mind, select "Didn't like item" or "Ordered by mistake".

For tem not as described, provide details and photos to help us assist you promptly.

 

 Inspection Process: All returns are inspected upon arrival. We reserve the right to refuse refunds if:

    Item shows signs of use/wear

    Return doesn't match the original product condition：missing/damaged

 

How Returns Work:

✅Contact us → We provide return instructions → Ship back securely

✅Refunds issued within 3-5 business days after warehouse approval

✅Original payment method will be credited (processing time may vary by bank)

Important Notes:

• Buyer pays return shipping if reason isn't seller error

• We recommend using tracked shipping for returns

• For defective items: Contact us immediately with photos/video evidence

 

We stand behind our products and will work to ensure your complete satisfaction!

Warranty

Warranty Coverage:

✅90-365 Day Coverage (varies by product - see listing details)

✅ Excludes: Physical damage, liquid exposure, unauthorized repairs

✅ Required: Proof of purchase + clear defect photos/video

✅ Solution: Repair/replacement at seller's discretion

 

Claim Process:

1、Contact us within warranty period

2、Provide order number + defect evidence

3、We respond within 48h with solution

Feedback

⭐Our Feedback Promise

Your Satisfaction Matters Most!

We work hard to earn your 5-star experience. Before leaving feedback, please:

1、Contact us first if there’s any issue – we’ll make it right!

2、 Verify your item meets expectations (check sizing/compatibility if applicable)

3、 Allow reasonable time for shipping/delivery

 

*** Ideal Feedback Includes:

✅ "Accurate description, fast shipping"

✅ "Great customer service"

✅ "Well-packaged, as advertised"

 

⭐Problem Resolution Guarantee:

Message us within 3 days of delivery for:

 

    Refunds/Replacements

    Missing parts inquiries

    Product guidance

 

⭐Please Avoid:

• Feedback related to shipping carriers (we can’t control delays)

• Comments about pricing (set by market value)

• Claims without prior contact attempts

 

⭐General Reminders:

• Check your spam folder for tracking emails

• Inspect packages before discarding outer boxes

• Save receipts for warranty purposes


About us
MadHornets has given our customers the best Auto parts, Motorcycle parts available on the market. We do it all, from motorcycle, cars and trucks to SUVs and more. Basically, if it’s on wheels and you need it, we can handle it.

With our extensive knowledge and experience in this industry, we continue to bring you the best auto, motorcycle parts.

We have more than 20,000 square meters of self-owned or third-party warehousing and logistics bases in the United States, the United Kingdom, Australia and other countries, and have a complete supply chain system to deliver high-quality products from all over the world to consumers. We are also committed to the development of Electronics, Home Garden, Stage Lights and other categories.

MadHornets continues to bring you superior quality and cost effective products. We always stand behind our products by our Money Back Guarantee and Manufacturer Warranty. Don't hesitate, add this store to you favorites
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