• 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.

Knock,Knock after shift

  • Thread starter Thread starter Anonymous
  • Start date Start date
A

Anonymous

Guest
Have a knock (2 or 3 times) after each shift, bike engine smooth, but knock irritating. Similar knock at startup, goes away when warm, but shift knock new ( 2 days). Engine top end rebuilt at 19000, bottom end untouched. Is it a clutch basket problem ( don't feel any slippage), or worse? :(
 
What kind of bike is it? GS1100s had problems with clutch basket that could cause knock or rattle. Thay also had starter clutches(behind flywheel) that came loose and knocked. How's your chain and sprockets?
Axel
 
It's a 1981 750EX. Probably similar setup to the 1100s. Chain is new, sprokets good. Am fairly sure not a bearing problem, or would hear all the time. Is the clutch basket the problem, or stock plates/springs?
 
I think it is the same clutch or very similar. The problem is with the basket. It's attached to a large gear with rivets. These rivets can loosen up and cause some play that results in the knocking. I believe that once the rivets break your clutch will come loose and possibly destroy the cases and everything near it. When mine started knocking I sent it to Falicon who reinforced the back of the basket and installed stronger rivets. The other knocking noise that occured on my GS1100 was with the starter clutch. The starter clutch is located behind the flywheel on the left side of the engine. It's held on by three screws. The screws came loose and broke. I had to have the flywheel pulled by a shop then I just replaced the screws. I don't know what kind of damage would have happened if I let it go.
Axel
 
Thankx for the info, I'll talk to my mechanic about it. It's due for an inspection of the valves. We put a set of 1100 cams & valves into it last winter. Big acceleration! I was thinking of upgrading the clutch anyway. Any preferences out there - Barnnet or Vesra ? I know the bike sat for 2 years, so plates soggy.
 
I don't know if sitting will hurt clutch plates, it hasn't hurt mine. I've used both Barnett and EBC in the past with good results.
Axel
 
You must log in or register to reply here.

Similar threads

F
Engine Knock
Replies
19
Views
334
DimitriT
DimitriT
D
GS550 Bottom End Rattle/Knock
Replies
15
Views
341
dgates1
dgates1
DimitriT
Weak idle until hot
2
Replies
31
Views
691
DimitriT
DimitriT
Motodog74
Sharing my results after fine tuning my '79 GS1000
Replies
7
Views
192
Motodog74
Motodog74
S
The Great & Terrible Ask "which exhaust headers not made for the 650G fit the 650G"
Replies
1
Views
99
jdub6092
jdub6092
Back
Top