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 to upgrade.
Kit includes cylinder, piston, rings, pin, clips.(you get exactly what is pictured).
Kit is for standard bore size - 56.4 mm x 50.0mm stroke, 16mm 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
Piston Material: Forged Aluminum
Bore: 56.4mm
Stroke: 50.0mm
Displacement: 124 ccm
Piston pin: 16 mm x 47 mm
Piston height: 64.4mm
Number of piston rings: 2
Thickness of the upper piston ring: 1 mm
Thickness of the 2nd piston ring: 1 mm
Type of piston ring: chrome-plated
Outlet: Oval
Cylinder type: 3BN00

Replacement Part Number:
Cylinder: 3BN-11311-00
Piston (Std): 2YK-11631-04-35
Pin, Piston: 137-11633-00
Piston Ring Set (Std): 3XC-11610-00
Circlip: 93450-17129

Fits Models:
Fit for Yamaha DT125R 1988 1991 1993 1994 1997
Fit for Yamaha TZR125 1987-1991
Fit for Yamaha TDR125 1990-1992

3BN00 cylinder have a 56.4mm bore and 50.0mm stroke, fits TZR125 before 1992
3MB00 cylinder have a 56.0mm bore and 50.7mm stroke, fits TZR125 after 1993
Although the bore size and stroke very close, still NOT sure they are interchageable or not,
Carefully compare to your old parts to be sure this is the correct part for your machine.

Package Includes:
1x Cylinder(3BN00)
1x Piston
2x Piston Rings
1x Wristpin
2x Circlips

Note:
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.

Shipping
1. Free Shipping
2. Location: Leicestershire
3. Shipping time: 3-8 buisness days via Royal Mail or FedEx.

Warranty:
Guarantee Period: 1 Years
Returns & Refunds: Customers can return the goods within 60 days of receipt and process quick refund within one day
24-Hour Support: Provide you with timely after-sale support