• Required reading for all forum users!!!

    Welcome!
    Register to access the full functionality of the GSResources forum. Until you register and activate your account you will not have full forum access, nor will you be able to post or reply to messages.

    A note to new registrants...
    All new forum registrations must be activated via email before you have full access to the forum.

    A Special Note about Email accounts!
    DO NOT SIGN UP USING hotmail, outlook, gmx, sbcglobal, att, bellsouth or email.com. They delete our forum signup emails.

    A note to old forum members...
    I receive numerous requests from people who can no longer log in because their accounts were deleted. As mentioned in the forum FAQ, user accounts are deleted if you haven't logged in for the past 6 months. If you can't log in, then create a new forum account. If you don't get an error message, then check your email account for an activation message. If you get a message stating that the email address is already in use, then your account still exists so follow the instructions in the forum FAQ for resetting your password.

    Have you forgotten your password or have a new email address? Then read the forum FAQ for details on how to reset it.

    Any email requests for "can't log in anymore" problems or "lost my password" problems will be deleted. Read the forum FAQ and follow the instructions there - that's what we have one for...

  • Returning Visitors

    If you are a returning visitor who never received your confirmation email, then odds are your email provider is blockinig emails from our server. The only thing that can be done to get around this is you will have to try creating another forum account using an email address from another domain.

    If you are a returning visitor to the forum and can't log in using your old forum name and password but used to be able to then chances are your account is deleted. Purges of the databases are done regularly. You will have to create a new forum account and you should be all set.

Not another Carb thread!!

  • Thread starter Thread starter cjanderson_90
  • Start date Start date
Hi, I had similar issues and spent days changing needle height and jets on the sons bike. In the end I worked out that I had left the snorkel off the rear of the stock air box. Once fitted no more issues. Anyway just wondering have you got yours on? Sometimes its just the simple things........................Regards.
 
Hi Ged
Yes i have attached that hose. I took the carbs off. One main jet had fell out. One of the idle circuits was plugged up. Cleaned it out. Im gonna check all the passages again just to be sure. I dont know if this was the issue but it all helps im sure.
 
Ok sorry for being annoying and posting so much, but heres where im at. I can get it to run all the way to redline now after taking carbs apart and setting everything to factory, but in 3rd gear it starts to bog as its accelerating, then worse with 4th, then 5th it pretty much stops at 6k. Any ideas as to what that might be?

Also, can I see the back of someones air box? Mine has like a 3x9in openeing in the back near the bottom

Edit: I looks like i have no snorkel piece i guess on the back of my airbox. Is that causing this issue? Does it matter if its on or not? I see Ged said it gave him issues? How can i get around this?
 
Last edited:
Yes mate you need it on. If you haven't got the snorkel put some tape over and block about 1/2 the hole and give the bike a run. Will look for a pic of it. Regards.
 
Ill try that. I think i read somewhere that the snorkel doesnt make a difference, but ill try and block that hole off a bit. This thing will be the death of me
 
Steve said:
With an attitude like that, it likely will be. :-\\\

It would be MUCH better to think "yeah, there are a few more problems than I expected, but I will conquer them!!" :encouragement:

.
Click to expand...

Ive been trying to get it going since november! Ive taken the carbs off at least 40 times so at least thats a simple thing to do now. Just wish I knew what exactly is causing this issue. Do my jets sound right? 102 mains and 15 idles?
 
cjanderson_90 said:
Do my jets sound right? 102 mains and 15 idles?
Click to expand...

Do your jets just say "102" or do they say "102.5"? :-k

If they just say 102, they are likely not Mikuni jets and are probably the wrong size. If they say 102.5, they are only one size larger than stock, and are likely not large enough to handle your 4 into 1 exhaust, but that won't keep it from starting.

I have just gone back through this thread and can see where you mention that you have cleaned the carbs and changed the o-rings. If that has not happened, any other attempts for adjustment are futile and further suggestions are useless.

.
 
My main jet just said 102. That may explain it I guess. Ill Ill try to bump up a few sizes. Yes carbs have been dipped, new rubber, the works.
 
I did not. It just said 102 three times around the edge of of the jet. So what size should i get to compensate for the exhaust. 105s? Also I do believe that my idle fuel screws need replaced. After looking at what new ones look like, mine arent nearly as sharp.
 
If it had the size three times around the edge, they are NOT Mikuni jets. Not sure if Dynojet jets have a "DJ" on them, but if those are DJ jets, they are the same size as Mikuni 95s.

Z1 carries some jets. Not sure that they are Mikuni, but they are at least sized the same. As for what size, I would not go less than 105, but be ready to install a 107.5 or 110, depending on what your spark plugs tell you.

.
 
So the previous owner leaned it out? Makes sense considering who I bought it from.
 
So the new 107.5 i got were about the same size as the jets that were in it. Still the same story. full throttle it bogs down hard, almost like your hitting the brakes. Do i Keep going up in jets? I cant imagin haveing to go down still.
 
One thing to try, after a run open the gas cap. If you hear a "Whoosh" the vent in the gas cap is plugged and it will get leaner and leaner until it stops running.
 
So one thing i never did was examine the exhaust closely. The 4-1 is all nice and pretty, then the muffler is about a half inch in diameter smaller than the junction that meets up from the 4-1. Then the tip is smaller than that even. Put stock jetting in it. Ran much better. Probably needs a new muffler too so really open it up. Sounds interesting to say the least. A friend of a friend wanted a bike. so I sold it to him, although I plan to help him learn all about it. Hes very excited and rode it for the first time yesterday and loved! In the mean time ill ride my buell.
 
You must log in or register to reply here.
Back
Top