• 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.

450 no power, valve timing issue?

  • Thread starter Thread starter Trax
  • Start date Start date
T

Trax

Guest
so the symptoms I am currently dealing with is power surges at all throttle positions. And just no real power, at any rpm.

I do have pod filter's with 120 main jets. Stock exhaust.

I have done a compression check got 120 psi on both cylinders
Checked the timing and the arrow is sitting just above the valve cover, if I go one tooth down the arrow is well below the valve cover surface by about half to 3/4 of a link. I noticed the surging was gone with it low but still had no power. (Just changed this) with ether the 120 jets or the 122.5.

I have the duel vacuum gauge carb sync tool and when synching the carbs at roughly 1200 rpms I was only pulling about 3 to 4 in/hg when the timing was set below the gasket surface. This is what prompted me to re time the valves to where they are now.

I have a nice white spark.

I do have a fuel filter.

I'll post more as I remember. On my phone atm.

I am going around in cycles with this
 
Usually, the "rule of thumb" for jetting increases for pods will take you up 4 to 6 sizes, depending on the stock jetting and the quality of the pods. Using that "rule", you should have 125 to 130 mains, and probably need to raise the needles a bit, too.

What pods do you have installed?

.
 
Ok odd it didn't post my reply. That was it with everything else I had done the bike is now running better then it ever has.

Thank you I was told before to start 2 sizes up.

Thanks again
 
Back
Top