Mitaka Piston Kit To Fit The Yamaha TZR 125 4DL With The Cylinder Number 3MB 00
Piston kit contains piston, piston rings, gudgeon pin and 2 circlips.
Please check the code on the cylinder should be 3MB 00 And A Standard Bore Size Of 56.00mm
Use Small End Bearing 19.50 mm Wide
The Yamaha TZR125 Engine Has A Std Bore Of 56.00mm. The Cylinder Is Fitted With A Cast iron Sleeve From The Factory And Is Re-boreable So Please Check Your Size Before Ordering The Piston.
You Can Go All The Way Up To 59.15mm But After Around 57.00mm The Cylinder Head Gasket And Cylinder Head May Need To Be Opened Out To Avoid The Piston Hitting Them.