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Author Topic: engine / frame alignment  (Read 5511 times)

Offline blackCAP

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engine / frame alignment
« on: May 18, 2014, 04:35:33 AM »
Hello

Looking for abit of help here, had a stoker 5mm crank fitted to my busa motor, i have been told the top front engine mounts now wont line up ? anybody out there done a similar mod and had to alter the frame.

I have had a search on the forum but cannot find the answer to it, only things like people want to put a busa motor in a gixxer 1000

what did you and how did you go about it ?

Many thanks
« Last Edit: May 18, 2014, 06:06:47 AM by blackCAP »
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Offline BATTMAN

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Re: engine / frame alignment
« Reply #1 on: May 18, 2014, 08:34:53 AM »
It should fit with a 5 mil.  Some people oval out the hole in the frame to fit a big crank.
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Offline Rocketgeezer

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Re: engine / frame alignment
« Reply #2 on: May 18, 2014, 08:38:48 AM »
There's not a lot you can do, open the holes in the frame of the bike, or like one we did and the customer did not want the frame modified so we welded the bolt holes in the head and redrilled and tapped them to make up for the deck height change
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Offline blackCAP

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Re: engine / frame alignment
« Reply #3 on: May 18, 2014, 01:08:09 PM »
thank for the replies , i think i will go with opening up the holes on the frame bit by bit until i come to where the holes should or may align up.

thanks
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Offline Oz Booster

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Re: engine / frame alignment
« Reply #4 on: May 18, 2014, 05:03:13 PM »
i oversize my lower case holes a size or 2 and same with lower frame holes and adjusters
by sharing the os i dont have to take a lot out of each
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Offline confused-busa

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Re: engine / frame alignment
« Reply #5 on: May 18, 2014, 06:44:26 PM »
Open up the 2 thru holes in the cases or the 4 upper mount frame holes.
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Offline blackCAP

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Re: engine / frame alignment
« Reply #6 on: May 21, 2014, 01:10:23 PM »
Managed to sort it now with a round file and a bit of huff and puffing .. thanks to all who replied  :tu:
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Offline knecum

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Re: engine / frame alignment
« Reply #7 on: May 21, 2014, 07:30:59 PM »
Welded up the head holes?  What.??  No need for that, you have a few options!!
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Offline Rocketgeezer

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Re: engine / frame alignment
« Reply #8 on: May 23, 2014, 05:38:28 AM »
Quote from: knecum on May 21, 2014, 07:30:59 PM
Welded up the head holes?  What.??  No need for that, you have a few options!!
Steve, we gave the cust the options explaning that the holes in the frame would not really need that much, he wanted the holes moved, he was paying, so we moved them :|
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Offline knecum

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Re: engine / frame alignment
« Reply #9 on: May 23, 2014, 06:33:52 AM »
 :thumb:pp
Quote from: Rocketgeezer on May 23, 2014, 05:38:28 AM
Quote from: knecum on May 21, 2014, 07:30:59 PM
Welded up the head holes?  What.??  No need for that, you have a few options!!
Steve, we gave the cust the options explaning that the holes in the frame would not really need that much, he wanted the holes moved, he was paying, so we moved them :|
: :thumb:
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