Skip to content
View in the app

A better way to browse. Learn more.

Trials Central

A full-screen app on your home screen with push notifications, badges and more.

To install this app on iOS and iPadOS
  1. Tap the Share icon in Safari
  2. Scroll the menu and tap Add to Home Screen.
  3. Tap Add in the top-right corner.
To install this app on Android
  1. Tap the 3-dot menu (⋮) in the top-right corner of the browser.
  2. Tap Add to Home screen or Install app.
  3. Confirm by tapping Install.

GAS GAS Smoking and rattling probelm

Featured Replies

Hi Guys,

Im new here and just looking for some advice. I have a GAS GAS TXT PRO 2006, and there is a noise comming from the barrel when the bike is revved, its is a rattling noise, also once the bike is warm it begin to smoke constantly.

Can anyone tell me what that is most likely to be? would it be piston an ring need replacing or a seal somewhere?

I dont know any od the history of the bike before i got it, and i havnt done anything to it.

Cheers

Hi Guys,

Im new here and just looking for some advice. I have a GAS GAS TXT PRO 2006, and there is a noise comming from the barrel when the bike is revved, its is a rattling noise, also once the bike is warm it begin to smoke constantly.

Can anyone tell me what that is most likely to be? would it be piston an ring need replacing or a seal somewhere?

I dont know any od the history of the bike before i got it, and i havnt done anything to it.

Cheers

Hi,sounds like the main bearings have gone allowing the crankshaft to move from it's axis causing the gear on the primery drive to wrongly mesh onto the clutch and the piston to knock on the barrel and or head.The smoke will be the gear oil as it gets warm and thin enough to be sucked through the gearbox side main bearing/seal and then burnt in the combustion chamber.The main bearings on a gasgas incorporate the seal .

  • Author

Hi,sounds like the main bearings have gone allowing the crankshaft to move from it's axis causing the gear on the primery drive to wrongly mesh onto the clutch and the piston to knock on the barrel and or head.The smoke will be the gear oil as it gets warm and thin enough to be sucked through the gearbox side main bearing/seal and then burnt in the combustion chamber.The main bearings on a gasgas incorporate the seal .

Ok thanks for this, So can you help me in deciding what parts to order?

I think i will get a piston and ring kit as well (Might as well do this at the same time)

Which seals / bearings do i need to order?

Cheers

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

Account

Navigation

Search

Search

Configure browser push notifications

Chrome (Android)
  1. Tap the lock icon next to the address bar.
  2. Tap Permissions → Notifications.
  3. Adjust your preference.
Chrome (Desktop)
  1. Click the padlock icon in the address bar.
  2. Select Site settings.
  3. Find Notifications and adjust your preference.