Also my Ryker 600 makes the same noise occasionally .
Looks like it makes most of the noise when the temperature is warm outside and the gastank is half empty.

Here I shared a video of it:
https://1drv.ms/v/s!Ao98pLFbckensSOmOmw ... d?e=bLskEC

Also my Ryker 600 makes the same noise occasionally .
Looks like it makes most of the noise when the temperature is warm outside and the gastank is half empty.

Hello all, my name is Mike and I live in the Netherlands (Europe).
I own a Ryker 600 and I am looking forward to exchange some experience in here.