19-06-21, 07:53 PM
(19-06-21, 06:53 PM)unfazed link Wrote: It's like something loose with a tinkling sound at 30 to 40 on/off throttle. Normally if really loose it rattles like someone tapping a spanner on the exhaust at tickover when cold.
Hmm, I’m not sure if it’s that. I hear something that’s quite a low frequency , but the speed seems about right.
I’ve just had a look at the valve and there’s some lateral movement (maybe 3 mm in/out) . Is that acceptable?