Go Back   ChinaRiders Forums > Technical/Performance > Dual Sport/Enduro
Register FAQ Community Calendar Today's Posts Search
Reply
 
Thread Tools Search this Thread Display Modes
Old 05-16-2021, 12:04 AM   #16
China Rider 27   China Rider 27 is offline
 
Join Date: Dec 2018
Location: PNW
Posts: 984
Doesn't sound like valves to me, sounds like something is loose rattling due to vibration. Header pipe?


 
Reply With Quote
Old 05-16-2021, 12:20 AM   #17
Slofun   Slofun is offline
 
Join Date: Mar 2021
Posts: 40
Just my $0.02 . . .


The top corner of the right side gas tank cover was vibrating / rattling in sync with the engine vibration on my bike. I temporarily slid some latex rubber hose under that corner and that stopped that vibration. Other plastic covers might be vibrating too.



I also believe the float in the gas tank is rattling against the inside of the tank sometimes.


Ear plugs might help eliminate unwanted vibration / rattles. I'm gonna try them next.


 
Reply With Quote
Old 07-20-2022, 08:26 PM   #18
Myinfo   Myinfo is offline
 
Join Date: Jun 2021
Posts: 19
I know this is an old thread, but that sounds like something metal vibrating in a circle. It's not valves. It's something directly attached to the engine ( maybe via the exhaust i.g. the muffler or the contents of the exhaust pipe(s) if they're are snug enough to transfer vibration.) My first guess would be the valve cover itself bouncing around on those three bolts. Or maybe that bulbous piece of aluminum covering whatever on left hand side of the engine with three 8mm bolts on it, or maybe the front sprocket cover below that. It's definitely not valves though.


 
Reply With Quote
Old 07-21-2022, 11:52 AM   #19
KenTaoyan   KenTaoyan is offline
 
KenTaoyan's Avatar
 
Join Date: May 2020
Location: Des Moines WA
Posts: 82
After listening to it (I am definitely not the most experienced ear in this group) but my first thought is exhaust leak. I am curious if you find it.
__________________
~ toys in the cave (in the order of addition)
81 Honda XL185s {work in progress}
2018 QIYI Coolster 3150CXC 150cc Quad
2019 QIYI Coolster 125cc Quad
2021 Roughhouse 50 (neat little scooter for the wife)
2022 QIYI Coolster 3150DX-4

I may not be fast but I am "Half-Fast"


 
Reply With Quote
Reply



Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 07:57 PM.


Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.