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Author Topic: carbs carbs carbs  (Read 1203 times)

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farmlife

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carbs carbs carbs
« on: August 26, 2009, 07:10:39 PM »
Well I got my floats dialed in so I'm not gettin any gas shooting out the over flow tubes. Now to a new problem. Got bike started and once I give a little throttle in shuts off. Pulled the bowls off and it seemed that #1 carb isn't getting gas fast enough. Could the problem of the motor cutting off once the throttle is given be that the gas is not filling bowls fast enough? I'm planning tomarrow to remove carbs and clean them out. I did notice that some trash was in the fuel lines. Could my carbs be getting clogged up?
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Offline bender01

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Re: carbs carbs carbs
« Reply #1 on: August 26, 2009, 07:19:40 PM »
Yes thats a problem. You must clean the carbs and give the bike a full tuneup. What kind of bike is it? Honda? Just kidding.
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1968 450 K1 Super Sport
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So, the strategy is to lie to people you are asking for help?

I think I'll be busy going for a ride.

Good luck!
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farmlife

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Re: carbs carbs carbs
« Reply #2 on: August 26, 2009, 08:36:32 PM »
it's a 77 cb750. The carbs are from a 72
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Offline SanDogDewey

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Re: carbs carbs carbs
« Reply #3 on: August 26, 2009, 08:48:08 PM »
Check the gas line and the petcock to make sure they're not full of gunk as well.
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Offline Hush

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Re: carbs carbs carbs
« Reply #4 on: August 26, 2009, 08:49:39 PM »
"Huston we have gunk"! ;D
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I think the thing I most like about motorcycling is the speed at which my brain must process information at to avoid the numb skulls who are eating pies, playing the ukulele, applying make-up etc in the comfort of their airconditioned armchairs as they make random attempts to kill me!!!!!!!

Offline kghost

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Re: carbs carbs carbs
« Reply #5 on: August 26, 2009, 11:08:33 PM »
Quote from: Hush on August 26, 2009, 08:49:39 PM
"Huston we have gunk"! ;D

I promise to spell Rotarura right if you spell HOUSTON right
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Offline Hush

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Re: carbs carbs carbs
« Reply #6 on: August 27, 2009, 12:11:25 AM »
No it's all good, you spelt Rotarura correctly, it is in the South Island in the Milford sound, you must know New Zealand pretty well as it's not a very populous area. ;D

Huston is in Australia up near Cairns, named after Phillip Huston the famous British explorer, they often have problems there, usually crocodiles. ;)
« Last Edit: August 27, 2009, 12:15:01 AM by Hush »
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I think the thing I most like about motorcycling is the speed at which my brain must process information at to avoid the numb skulls who are eating pies, playing the ukulele, applying make-up etc in the comfort of their airconditioned armchairs as they make random attempts to kill me!!!!!!!

Offline ZanVooden

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Re: carbs carbs carbs
« Reply #7 on: August 27, 2009, 06:38:40 AM »
How do you know that the carb bowl isnt getting fuel fast enough?

My bike is doing something similar.
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Offline flybox1

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Re: carbs carbs carbs
« Reply #8 on: August 27, 2009, 06:39:54 AM »
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'78 750K (F3 engine) PD42b's, Modified airbox w/K&N  filter, 40/110 jets, 1 needle shim, IMS@ 1 turn out. Kerker + Cone 18" QuietCore

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Offline flybox1

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Re: carbs carbs carbs
« Reply #9 on: August 27, 2009, 06:49:00 AM »
Quote from: Hush on August 26, 2009, 08:49:39 PM
"Huston we have gunk"! ;D

+1

start with your tank.  if its dirty, your carbs will always be a pain in the @$$.
take your tank off and shake vigorously, empty some gas, shake again, empty some gas.....repeat until its empty.  if the last gas you still pour out contains debris, pour in some fresh and repeat until its clear.  at this point, check for rust.  if there is, you may want to coat your tank.  search for POR 15 or Tank Lining in this board.  tons of info.
Clean your fuel lines (or get new ones), inline filter if you have one, and remove the bank of carbs to clean clean and clean.  check your float valves for proper function, clean your emulsifier tubes, main and pilot jets.  if you clean it well, you probably wont need to do it again.
add 1/3 bottle of SEAFOAM to your tank before you fill it.
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'78 750K (F3 engine) PD42b's, Modified airbox w/K&N  filter, 40/110 jets, 1 needle shim, IMS@ 1 turn out. Kerker + Cone 18" QuietCore

Past Bikes
1974 550K0 (stock), 1973 CB350F (stock), 1983 Yamaha XS400K (POS)
77/78 cool 2 member #3
"Knowledge without mileage equals bullsh!t" - Henry Rollins

"This is my CB. There are many like it, but this one is mine…"
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