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post #1 of 9 (permalink) Old Dec 17th, 2017, 3:29 pm Thread Starter
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Mikuni Rebuild

Im replacing all the seals on my 900ss carbs. I was wondering if anyone has replaced the throttle shaft seals? I have the butterfly out, but the shaft seems secured behind an external welsh plug. I thought Id ask before I destroy the plug and possibly the carburetor. I have the shaft seals and carb kit purchased from Litetek. Any ideas??

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post #2 of 9 (permalink) Old Dec 17th, 2017, 9:16 pm
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you've separated (split) the carb set?

'95 900SS/SP , '07 SS800 , '98 VFR800 , '19 CBR650R

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post #3 of 9 (permalink) Old Dec 18th, 2017, 9:09 am
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My advice would be to leave it alone unless you see some sign of leaks. Ive never heard of it being a problem. Just seal over the plug if youre concerned .

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post #4 of 9 (permalink) Old Dec 18th, 2017, 10:59 am
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litetek website lists "assembly guide" right under your throttle shaft seal listing. Instruction is right there. Here's a link.....

Guide to Placement of Mikuni BDST Throttle Shaft Seal
Stick likes this.

'95 900SS/SP , '07 SS800 , '98 VFR800 , '19 CBR650R
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post #5 of 9 (permalink) Old Dec 18th, 2017, 2:39 pm
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Quote:
Originally Posted by bigbadbass2 View Post
litetek website lists "assembly guide" right under your throttle shaft seal listing. Instruction is right there. Here's a link.....

Guide to Placement of Mikuni BDST Throttle Shaft Seal
Wow, let's all pray that the above website never goes to the WWW hell gremlins! (Site not found....)

That's some serious detail on redoing the carbs!

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post #6 of 9 (permalink) Old Dec 18th, 2017, 5:05 pm Thread Starter
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you've separated (split) the carb set?
Yes, apart.

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post #7 of 9 (permalink) Old Dec 18th, 2017, 5:13 pm Thread Starter
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Yes, but the photo and procedure is generic for BDST 38 and I’ve read and am familiar with the directions. The shaft won’t pull out per the instructions. I believe it’s secured behind the plug unbeknownst to the author. I’m concerned that the other end is peened over like the throttle end and not secured with a nut.

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post #8 of 9 (permalink) Old Dec 18th, 2017, 7:22 pm
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One photo clearly shows throttle shaft removed, one seal and washer only... yet welsh plug still installed on carb body.

I think the throttle shaft, with some *very gentle* persuasion...should pull out.

Otherwise, consider contacting the vendor for clarification.

'95 900SS/SP , '07 SS800 , '98 VFR800 , '19 CBR650R
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post #9 of 9 (permalink) Old Dec 19th, 2017, 5:29 pm Thread Starter
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One photo clearly shows throttle shaft removed, one seal and washer only... yet welsh plug still installed on carb body.

I think the throttle shaft, with some *very gentle* persuasion...should pull out.

Otherwise, consider contacting the vendor for clarification.
Thanks, will do!

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