Right, we're not having that. Off to the Honda CG 125 owners' site, which notes that the mixture on CGs is set very lean to scam emissions regulations, something confirmed by forchetto over at the Chinese Bike Forum about the Chinese clones as well. This results in slow warming and hesitation under throttle, both of which I seem to be seeing (admittedly on short acquiantance).
Well, they both seem to be right. The mixture was way off, and the mixture screw needed to be opened (anticlockwise) 2 full turns to maximise the idle speed. A quick tweak of the idle screw brought the idle back down to 1500, although it does seem happier on the high side of that speed even when warm. We'll see how that works out tomorrow.
While we're at it, let's have that silly metal sheath off of the plug cap, before it starts shorting in the rain. It's not the 1970s, we're on FM now over in the West. Perhaps the Chinese have been taken over by Cylons who don't want any RF interference? You like this, toasters? Eat my EM pollution!
While I was fiddling, I gave the chain a dose of 3-in-1. It was already fairly well lubricated, but I shudder to think with what. Orphan plegm, most likely. The tension seems OK, but I'll keep an eye on that as well.
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