Yamaha YZF R125 WR125 R15 Big Bore Kit 200cc





This is a Brand New BIG Bore Cylinder Kit 200cc for Yamaha YZF R125 / WR125 / R15

This kit comes complete with a New Cylinder – 66mm Piston – Wrist Pin – Rings – Clips.

Cylinder Ceramics coat removes heat quickly

Keep all your original parts, simply bolt it up!

We also have 165cc, 177cc and 183cc big bore kit for Yamaha YZF R125 !
Ship by EMS Express, you will received it fast.

Please contact us if you have any questions.



Additional information

Weight 1350 g



    I search to buy this model of piston diam 66 centers of 15 mm in quantitée, can you give me a price by 50 shares and assure me the exact dimensions, I am professional in France.

    • admin

      Check your email please.

  2. Jaime Paredes

    Send big boren kit to chile ?, what would be the price with shipping to chile? Yamaha r15 year 2015

    • admin

      Check the shipping cost to your destination country by ‘add to cart’ button then you can ‘calculate shipping’ before proceed to checkout.
      Thank you

  3. Brahim

    I would like to ship this product in France, can you tell me about the custom’s rate

    • admin

      Sorry I have no idea about the tax in each countries, it will depends your country policy

  4. Juan Ochoa

    I own a yamaha enticer motorcycle, 123.7 cc, 4 stroke, 4 speed transmision, air-cooled, year 2005. Does the kit work on this engine?

    • admin

      No sorry it will not fit.

  5. kriss

    does this fit on Yamaha mt 125 2017 model?

    • admin

      yes it will fit

  6. casper

    do you have to buy a new top end and crank. also a new cdi?

  7. stefan

    Do i need to buy anything else besides this big bore kit in order to make my yzf more powerful? thanks

    • admin

      You may want to add cylinder head with bigger valves and injector with more holes than stock.

  8. Eros

    How many hp with this 200cc

  9. awiiso

    does this kit fit into husqvarna sms4 -11, it has same motor like in yamaha

    • admin

      I’m not sure but I believe it has the same engine with Yamaha R125

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