adventurco said:
It looks like that rubber seal is available from Honda dealers still, and you can probably get it cheaper on eBay. Its listed on my dealers website for $6 and change, part number 16118-166-004
Thanks! As usual, I made a hasty assumption, figuring it was only available as part of the throttle assembly. I didn't even check for the individual part.
adventurco said:
Hows your carb boot? I'm not farmiliar with these carbs but some have a cluster of tiny holes that serves as a pilot passage as well.
There isn't really a carb boot on the 100- the carb bolts to the head, sandwiching an aluminum standoff/flange thing and a plastic insulator between the two:
My insulator and gaskets are essentially new- I replaced them very recently. I checked the insulator for cracks when I removed the carb yesterday (it's some kind of high-temp plastic). Looked good.
adventurco said:
Is your issue happening while you're standing still at an idle or when you're accelerating from a stop?
Both, but turning the idle speed up helps prevent the bog off-idle. This morning I took a nice ride before the sun came up and it ran beautifully. Of course, I only had to stop once or twice.
Here's a short clip I shot this morning:
https://www.youtube.com/watch?v=Zhv7VnFFbFg
The video makes it seem like the slide is sticking, but when I removed the air tube to check, the slide always snapped back cleanly. Maybe it tends to stick when I keep my hand on the grip? Either way, hands-off, the motor will idle up and down seemingly on its own.