The bike seemed to lose power gradually, over a few days. I checked to make sure the brakes weren't dragging. I didn't make adjustments to the throttle cable, but pulled on the housing to see what difference it made. The problem is not in the throttle cable... I haven't checked the timing, but it is non-adjustable anyway. I figured changing the spark plug gap would affect the timing a little.
I'd drilled a bunch of holes in my aircleaner previously (on the dirty side of the filter), and I had a spare jet, so I didn't really have any qualms about drilling the jet to compensate for the extra air. Besides, I check the plug every time I make an adjustment, and try to keep the mixture right...
I've been working on VWs for around 20 years now, and I'm pretty well equipped in the tool department. Two-strokes are new for me, but I'm starting to catch on...
This morning I stopped by the convenience store for gas, oil and coffee on my way to work. I thought I'd put a little oil in the gas (mine is oil injected, and I wondered if the pump was skimping out on me)... Got about 1/2 mile away before the bike died... Fooled around with the carb, discovered that I could get the bike to run with the choke half-closed. Took it back home (with a trail of smoke behind me), called work and got the day off (only work 4 hours on Saturday, anyway)...
Drained the tank, put fresh gas in, topped up the oil reservoir. I can't really test drive it right now, since it is raining...
I'll keep ya posted.
david