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Author Topic: Throttle Issue...linked to bad carb. Any Ideas?  (Read 1210 times)

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Offline Bullish

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Throttle Issue...linked to bad carb. Any Ideas?
« on: July 13, 2010, 05:47:40 pm »
I have a really strange issue with my throttle control and any help/input is appreciated.

I had just cleaned out my carbs,reassembled it and put it back on my bike. I had linked the throttle&choke cable back on the carbs and I know I did that correctly because I marked the cables atleast...
I drank an entire 40 oz with a sense of huge accomplishment and celebrated my first "major" tune up on my first bike ever.
Afterwards, I try to start the bike and realize that my throttle is stuck. and when I try to close the throttle, it opens( so the throttle turns the opposite way), though im not sure if its even opening.
The bike did'nt do that when I first got it and it was running fairly well. The issue I'm having now seems really uncomfortable on my wrist. ( It can be a good work out though haha)
 
anyways has anyone had this problem or know how to prevent it???

Thanks!

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Offline Johnie

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Re: Throttle Issue...linked to bad carb. Any Ideas?
« Reply #1 on: July 13, 2010, 05:57:34 pm »
What bike you have there?
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1970 CB750K0 - Candy Ruby Red
1973 CB750K3 - Candy Bacchus Olive or Sunflake Orange
1970 Chevy Chevelle SS396 - Cortez Silver
1976 GL1000 Sulphur Yellow

Oshkosh, WI  USA

Offline Bullish

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Re: Throttle Issue...linked to bad carb. Any Ideas?
« Reply #2 on: July 13, 2010, 05:59:51 pm »
oops forgot the most important detail thanks for the heads up. Its a beautiful 77' 550k3

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Offline scunny

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Re: Throttle Issue...linked to bad carb. Any Ideas?
« Reply #3 on: July 13, 2010, 06:04:31 pm »
did the 550 have push pull cables ? bet you've hooked the cable or cables up back to front
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past-cb100,ts250,cb500,cb500,gs1000,gs650g.phillips traveller
present-CB 650 retro
            VTR1000F3
           XL250S riverbed rocket
           TS250[sold]
           TS185[sold]
           XL125S[sold]
           MT50 (white)
           MT50 (red)[sold]
           KN250/XS400 project
           XR/XL250 bitsa under construction
           SL100[sold]
           XL250R
           pedal(pub bike) leaks oil
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Offline scunny

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Re: Throttle Issue...linked to bad carb. Any Ideas?
« Reply #4 on: July 13, 2010, 06:07:53 pm »
just looked at a parts fiche and your carb linkage has push pull
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past-cb100,ts250,cb500,cb500,gs1000,gs650g.phillips traveller
present-CB 650 retro
            VTR1000F3
           XL250S riverbed rocket
           TS250[sold]
           TS185[sold]
           XL125S[sold]
           MT50 (white)
           MT50 (red)[sold]
           KN250/XS400 project
           XR/XL250 bitsa under construction
           SL100[sold]
           XL250R
           pedal(pub bike) leaks oil
my gallery http://gallery.sohc4.net/members/personal/scunny

Offline Bullish

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Re: Throttle Issue...linked to bad carb. Any Ideas?
« Reply #5 on: July 13, 2010, 06:10:03 pm »
That was my first guess too but when I reverse the connection, the throttle doesnt move at all.
could I possibly have reassembled the carbs wrong and that may have affected the throttle action?
If so which part in the carb?

Thanks everyone

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Offline jtb

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Re: Throttle Issue...linked to bad carb. Any Ideas?
« Reply #6 on: July 13, 2010, 06:28:22 pm »
make sure that the throttle shaft isn't binding.
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1977 CB750F
1985 V65 Sabre
1986 VFR 750 (gone but missed greatly)

Offline Bullish

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Re: Throttle Issue...linked to bad carb. Any Ideas?
« Reply #7 on: July 18, 2010, 03:08:40 pm »
I finally found the time to take off my carbs to check and the throttle shaft is indeed binding. None of them are moving. Does anyone have an idea of how to fix this problem?
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Offline jtb

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Re: Throttle Issue...linked to bad carb. Any Ideas?
« Reply #8 on: July 19, 2010, 05:37:43 pm »
loosen all of the screws on the mounting plate and re-align the carbs.  Check for binding before putting them back on.
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1977 CB750F
1985 V65 Sabre
1986 VFR 750 (gone but missed greatly)

Offline Bullish

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Re: Throttle Issue...linked to bad carb. Any Ideas?
« Reply #9 on: July 20, 2010, 04:06:57 pm »
Issue resolved(wheew)  ::) Thanks everyone!
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Offline xenoscr

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  • 1975 Honda CB750 K5
Re: Throttle Issue...linked to bad carb. Any Ideas?
« Reply #10 on: July 20, 2010, 04:11:06 pm »
You can't just say you resolved it without telling what the problem was.....

XeNoSCR
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1975 Honda CB750 K5

Offline Bullish

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Re: Throttle Issue...linked to bad carb. Any Ideas?
« Reply #11 on: August 15, 2010, 06:21:38 pm »
I apologize man I'm a nooob to forums in general. But i don't know what the problem was to be honest! haha
I had a binding problem somewhere in the carbs, i dont know where but when i took each carbs apart and messed withe the main shafts, it started moving again.

Ill make sure I post this type of info a earlier next time ;D

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