sound like a train when accelerating

marquet · 05-16-2016, 05:28 AM

I have had this noise for quite a while now. The bike ( GZ 250 ) is now 16 years old, I have just renewed the cylinder and piston, valve springs etc and clutch. I was hoping that this would clear it up, the noise is not there on de acceleration, the engine is running sweet. Any help would be appreciated. The noise seems to be coming from the crankcase, or the drive chain and is accompanied with a slight jerking motion,any help ?

05-16-2016, 05:28 AM	#1
marquet Junior Member Join Date: Feb 2016 Posts: 2	sound like a train when accelerating I have had this noise for quite a while now. The bike ( GZ 250 ) is now 16 years old, I have just renewed the cylinder and piston, valve springs etc and clutch. I was hoping that this would clear it up, the noise is not there on de acceleration, the engine is running sweet. Any help would be appreciated. The noise seems to be coming from the crankcase, or the drive chain and is accompanied with a slight jerking motion,any help ? Login or Register to Remove Ads Last edited by marquet; 05-17-2016 at 08:08 AM. Reason: No response to first part of question !
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