Quote:
Originally Posted by SpudRider
I don't think so. I think the PMS is probably located inside the yellow circle.
![](http://i442.photobucket.com/albums/qq146/spudrider/Zongshen%20RX3/carburetor%20closeup%20pms_zpsbhyc1t3u.jpg)
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Based on your guess and also the blown up diagram from katflap, i think you got it....in a way, it's actually hidden.
So I should be sticking the screwdriver into this hole shown in the yellow arrow.