So i am trying to shim the needles..
problem one:
i got one carb cover off.. how do i get the needle off the diaphram?
problem two:
the damn second screw on the carb cover IS STUCK and i cant get it free.. its stripping as i try to turn.. I have put penetrating lube and i have tried hammering it too.. nothing as yet.
the third problem is what kind of fuel hose do we use? i need fuel hose.. mine is very brittle (main line), i can splice and use the shortened one but i want to get new hose soon.
M
PS: i put in 20, 62.5 and 145 jets ( i took out the 65's).. how much on the needles do i go?
Take a trip to (Your local parts store) and ask for fuel hose. Not quite sure what size but if you took a piece of the old hose, I'm sure that they could match it up for you.
Quoteproblem one:
i got one carb cover off.. how do i get the needle off the diaphram?
Carefully pull out the diaphragm, hold out your hand and turn it upside-down. Out she comes. Watch out for the little plastic spring spacer and washers under the needle.
Quoteproblem two:
the damn second screw on the carb cover IS STUCK and i cant get it free.. its stripping as i try to turn.. I have put penetrating lube and i have tried hammering it too.. nothing as yet.
Vise grips.
Quotethe third problem is what kind of fuel hose do we use? i need fuel hose.. mine is very brittle (main line), i can splice and use the shortened one but i want to get new hose soon.
I believe the stock size is 7mm. 1/4" should work fine. Regular NAPA brand fuel hose is what I use.
Why the jetting change in the first place? What have you changed to require a jetting change?
here are some pics.
(http://officespace.dyndns.org:8080/manjul/carb1.JPG)
(http://officespace.dyndns.org:8080/manjul/carb2.JPG)
(http://officespace.dyndns.org:8080/manjul/carb3.JPG)
[
problem two:
the damn second screw on the carb cover IS STUCK and i cant get it free.. its stripping as i try to turn.. I have put penetrating lube and i have tried hammering it too.. nothing as yet.
Vise grips.
Maybe you could try a drill. It should break it loose.
oh i am changing the jetting cause this is the history
stock: 17.5, 60, 127.5 with K&N lunchbox
First jetting: 20, 62.5, 137.5 ---> was leaning out badly .. unrideable on freeway at 65.
second jetting: 20, 65, 145 --> leaning out at 80mph.. but not as bad
third session: 20, 62.5 and 145 but i am going to shim the needles up by 2 or 3.
edit:
how do i take out the needle from teh first 2 pics.
i had a problem with getting one of my screws out of my float bowl i took a pair of wire cutters use some that you dont care if you screw them up you know the ones that are called dykes they grab really good and try that if that doesnt work go to your local tool store get a easy out and on the package it will tell you what size drill bit you need
drill a 1/4 inch hole in it take the easy out and a pair of vice grips and it will come out that way i work with helicopters and that is how we get stripped screws and bolts out
Big phillips head bit and abit of WD should take care of that screw. Pic 2: How about some needle nose pliers?
And a little pressure O0
the floatbowl screws arnet an issue.. they were replaced by allen bolts a long time ago..
this is teh diaphram cover..
Push and wiggle to free the needle, it has goo on it. 8)
the problem is that i tried a big philips head.. the darn thing is stripping i can feel metallic parts come off it each time..
Quote from: GeeP on May 28, 2006, 08:13:53 PM
Push and wiggle to free the needle, it has goo on it. 8)
okay needles free..
i am off to autozone.. to get a pair of vice grips and other shaZam!.. be back in 20.
Big pair of vice grips clamped down hard on the screw head.
Take the mangled screw to the local hardware store and buy cap head screws to replace them all, stainless steel if you can find them.
I hope vice grip does it for you, but I had to use impact screw driver to get my float bowl off. Great tool. Works like a charm.
On the different subject, what does jet needle do? What does shimming it accomplish?
Jenya
Same thing that i suggested O0
I don't know about the newer bikes, but my 99 uses 5/16 (8mm) fuel hose.
For more than you need to know about fuel hose, see this old thread (http://gstwins.com/gsboard/index.php?topic=7256.0).
Here's another option for your stripped screw:
(http://www.bbburma.net/HowTo/RemoveStrippedAllenBolts/CX7530_0266_StrippedAllenBoltHead.jpg)
(http://www.bbburma.net/HowTo/RemoveStrippedAllenBolts/CX7530_0267_SlotHeadWithDremel.jpg)
(http://www.bbburma.net/HowTo/RemoveStrippedAllenBolts/CX7530_0270_UseFlatScrewdriverWithExtraTorque.jpg)
Ah, the infamous Dremel. How could we all have missed that one?
thanks kerry..
i got a dremel for christmas.. i am itching to try that out.. :)
Push down really hard with a big phillips, it will come loose. (REALLY FREAKIN HARD) You'll have to be like :mad: :mad: :mad: :mad:
DO NOT lose part number 26 on this diagram. http://houseofmotorcycles.bikebandit.com/partsbandit/assets/schematics/Suzuki/SU0083_013.gif
this is embarassing.. how does one use a pair of locking vice grips. i cant seem to remember..
I d try the drill first. But just turn the knob at the bottom. Lock them on and twist.
well i cant find teh easy out.. i guess its time for the dremel.
and by teh way its nicely stuck.. really tight.. darn suzuki.. i noticed that if i hammed it i was able to cut a groove with the normal flat head screw driver..
i am calling it a night.. dremel didnt work..time for an easy out..
the dremel needed clearance.. it wasnt that easy, i will try it tomorrow after i take off teh carbs from teh bike and then try it from the other side..
grrrr
alright where does one put the darn washers.. i believe i need 2. The only way i can see it going in is from teh right side.. sliding it up the tube to the top.. am i right?
(http://officespace.dyndns.org:8080/manjul/carb4.JPG)
Good luck, Big guy. Sorry we couldnt help yoiu out O0
Sounds like I missed a frustrating day in the Reseda garage.
I bought a bunch of fuel line of different sizes last week. I have a fair amount left if you're interested.
It would at least get you running again.
I used auto fuel line as a temporary fix till the OEM order came in. Very expensive, like 8-9 dollars a foot.
Compare that to about 1-2 dollars a foot at Napa.
Only one hose actually had a custom bend in it, they charged the same for plain straight hose.
The stock Suzuki sizes are next to impossible to match exactly.
I think the Napa hoses would work fine as a permanent replacement. I used it during my test rides last week.
Call me if your working on this again tomorrow, I'll bring by the hoses.
It sounds like you have the washers already, but I do have 2 extra of those.
Charlie
818-704-7519
hey charlie,
i will give you a call tomorrow after 10... my number is 818-512-4047.
Yeah i could use some help..and if we get running .. we can go for rides.. :)
I could use some of that fuel line.. i couldnt find the size i was looking for .. i got 5/16th or 7.9mm and it doesnt fit.
Quote from: Jenya on May 28, 2006, 08:38:19 PMOn the different subject, what does jet needle do? What does shimming it accomplish?
When the butterfly opens, airflow through the carb increases. This results in a vacuum (due to the higher speed in the narrow duct, read up on Bernoulli's law aif you are interested in the details) in the throat of the carb. This vacuum is lead above the diaphragm and there lifts the slider with the attached needle.
The needle's function is to regulate fuel flow according to amount of airflow in the mid throttle range. Shimming the needle makes midrange richer (by lifting the needle -> enabling more fuel flow).
Quote from: TheGoodGuy on May 28, 2006, 10:15:39 PM
i am calling it a night.. dremel didnt work..time for an easy out..
the dremel needed clearance.. it wasnt that easy, i will try it tomorrow after i take off teh carbs from teh bike and then try it from the other side..
grrrr
alright where does one put the darn washers.. i believe i need 2. The only way i can see it going in is from teh right side.. sliding it up the tube to the top.. am i right?
(http://officespace.dyndns.org:8080/manjul/carb4.JPG)
no your not right, they go under the c clip which is that little thing attached to the needle. this will lift the needle. sweet?? :icon_mrgreen:
As far as fuel hose go to your local lawn mower shop and get TYGON hose.Its a silicone based hose its bright yellow so it looks better than black.Best of all its see through so you can see whats going on with your fuel supply.See through hose helped me find my bad petcock
Left hand drill and drill bits. Sears has them, so does Snap On and Matco, probably Mac too.
that's because ALL stock parts on a gs are soupposed to take 6mm fuel line. btw cycle gear has fuel line for 1.50 a foot, and you need 4 feet. the line should be tight enough to seal without the clamp and then the clamp is to keep it from falling off, so it is soupposed to be really tight. and if you can't get these together i have a good set of 89-00 carbs i'll swap you straight across.
Quote from: badkarma506 on May 29, 2006, 12:05:08 PM[...]ALL stock parts on a gs are soupposed to take 6mm fuel line.
Make that
7mm. (See
this old post (http://gstwins.com/gsboard/index.php?topic=7256.msg60819#msg60819) and the referenced Bike Bandit diagram.)
Any other sources for confirming -- or
contradicting -- info are welcome!
i want to thank charlie for coming over and giving me a hand. We got the broken screw off with a impact screwdriver (i bought a new one cause the old one i didnt trust).
Anyway we found a BIG problem.. the shimming needles that are used for the older bikes DO NOT work for my 2001. Charlie had brought some of his shims and i had mine. Needless to say neither of them fit.
Problem is that the needle has a 4 sided guide that holds the needle in place.. and that is preventing the larger washers from going down the shaft.
so the people who have done shimming on 01+, what kind of washers did you use, the #4 ones dont work, and the stuff charlie brought (that he used on his bike) are no use either.