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Author Topic: Question About Numbers 1397 on Engine Block  (Read 332 times)

Offline josetimbal

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Question About Numbers 1397 on Engine Block
« on: December 19, 2017, 05:30:33 PM »
HI Guys,

First post here... Question: I just got a used 2002 Hayabusa, Removed the fairings and saw a 13.9.77  on the Engine Head. Does this means anything for you guys? Was this head ported to 1397? Trying to add the pic here but it doesn't let me.Thanks in advance

Offline josetimbal

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Re: Question About Numbers 1397 on Engine Block
« Reply #1 on: December 19, 2017, 05:32:17 PM »
Here is the pic

Offline blt1

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Re: Question About Numbers 1397 on Engine Block
« Reply #2 on: December 19, 2017, 10:35:12 PM »
Appears to be a date (September 13, 1977).
Just trying to do whats right.
Wanna go fast.

Offline wildphil69

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Re: Question About Numbers 1397 on Engine Block
« Reply #3 on: December 21, 2017, 09:38:45 AM »
I think they are batch numbers. You canít port a head to a bigger displacement
Nitrous is like a hot chick with STD'S...You know you wanna hit it but your just not sure of the consequences.

Offline josetimbal

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Re: Question About Numbers 1397 on Engine Block
« Reply #4 on: December 21, 2017, 06:06:23 PM »
Thank you wildphil69 for your reply. I ask as I heard  people do a 1397 kit on there busa.