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BSR yamaha motorcycle R6 porting performance

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Uploaded by on Feb 13, 2008

cylinder head porting horsepower

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Uploader Comments (wfofz1)

  • Send me an email @ wfofz1@hotmail.com

  • English is OK. I'm careful of piston.

  • What are the holes in the side of the exhaust channels ?

  • @michaelovitch they are for the AIS (air injection system) emissions.

  • @wfofz1

    Thanks !

    i hope you will make others videos !

  • @michaelovitch Sometime this year I will be building a FZ1. and Thank you!

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All Comments (22)

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  • How much did you mill off the head?

  • Hey I just wanted to know how much would you charge me for a head job on an 06 R1? I an building an all motor drag bike, No NOS or turbo stuff just a tight motor. I would like to have the ports opened up, milled down flat and valve job. What kind of power gain does this give on the R1?

  • the piston will touch the valve ,be careful, sorry my english

  • @wfofz1 thanks for your reply

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