








Product Description
56mm Cylinder Piston Gasket Top End Rebuild Kit For Pit Bike Dirt Bike YX 140cc Engine 1P56FMJ
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).
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 cylinder bore size - 56 mm, 13mm steel piston pin.
This kit is an excellent choice for those who want to improve the performance of their machine.
Easy installation; professional assistance recommended if needed.
Specifications:
Condition: Aftermarket 100% Brand New
Quantity: 1 Set
Material: Aluminum, Steel
Displacement: 140cc
Oil Feed: Round
Engine: 1P56FMJ
Bore diameter: 56mm
Pin diameter: 13mm
Pin Overall Length: 39mm
Outer Sleeve Diameter: 60mm
Height without Sleeve: 78mm
Overall Height: 98mm
Fits Models:
Fit for Many Pit Bike Dirt Bike with YX 140cc horizontal cylinder which engine number 1P56FMJ.
Fit for Yinxiang YX 140cc
Fit for Zongshen ZS 140cc
Fit for Apollo RXF Freeride 140 / Open 140
Fit for MRF 140 HQ / RC / RC-Z / HQ / TTR / SM
Fit for RMT Racing 140
Round oil feed (Lifan, Loncin motors have the oval feed and are incompatible).
DOES NOT FIT 125CC ENGINES.
(Compatibility Chart is for Reference ONLY!!!)
(Please Compare with Your faulty unit and the image we provided to Decide Fitment)
Package Includes:
1x 56mm Cylinder
1x Piston
1x Piston Ring Set
1x 13mm Wristpin
1x Circlip(2)
1x Cylinder Base Gasket
1x Cylinder Head Gasket
2x Valve Stem Seals
(Comes exactly as pictured.)
Note:
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.
MOTORCYCLE PART FITMENT GUIDE
This part fits vehicles listed in the description and compatibility chart ONLY
✔ 100% FITMENT VERIFICATION REQUIRED
This aftermarket/remanufactured part requires matching:
• Exact Year/Make/Model/Engine CC
• OEM Part # (stamped on your original component)
• Physical Measurements (see dimension diagrams in photos)
CRITICAL CHECK POINTS:
[✓] Compare mounting hole patterns
[✓] Match electrical connectors (if applicable)
[✓] Verify clearance requirements
[✓] Check sub-model variations (e.g., ABS vs non-ABS)
FREE FITMENT CONFIRMATION:
Send us:
✅ VIN (17-digit) ✅ Clear photos of your original part ✅ OEM numbers from your current component
United Kingdom Buyers
Royal Mail 48: Estimated delivery is 2-5 working days after dispatch
Royal Mail 24: Estimated delivery is 1-3 working days after dispatch
Shipping Time
All orders will be ship out within 24 hours of payment except holiday or weekend.
Sometimes shiping time may has a little delay, such as Bad wether,Holidays
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:
Contact us within warranty period
Provide order number + defect evidence
We respond within 48h with solution
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About Item
All items sold by us are being described to the best of our abilities, as accurate as possible, and with utmost conscientiousness on our part.
However, to avoid any potential oversights, I respectfully request your assistance in helping us to make this a mutually satisfactory transaction by THOROUGHLY reviewing item description and photos, and asking all questions PRIOR TO BIDDING.
Customer Satisfactory
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