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john charlton · 10-07-2013, 01:43 PM

It could be the Hyatt roller bearing in the torque tube neck is worn . You can check this by removing the speedo drive cap to reveal the speedo drive gear. with a screwdriver try to push the gear up and see if any slack when it drops down .Should be no or very little vertical movement . Bit of a fiddle but can give an indication of undue wear . A worn bearing/sleeve will cause vibration on the overrun .

John in sunny lovely weather Suffolk County England.

10-07-2013, 01:43 PM	#7
john charlton Senior Member Join Date: May 2010 Posts: 1,304	Re: Reasons for deceleration vibration It could be the Hyatt roller bearing in the torque tube neck is worn . You can check this by removing the speedo drive cap to reveal the speedo drive gear. with a screwdriver try to push the gear up and see if any slack when it drops down .Should be no or very little vertical movement . Bit of a fiddle but can give an indication of undue wear . A worn bearing/sleeve will cause vibration on the overrun . John in sunny lovely weather Suffolk County England.