I did not know mods needed to approve posts. Wow. Where's Coffee???? LOL I don't get back to this forum too often - the whole world revolves around that other forum. He he. If I recall correctly I just turned my battery around so the posts are towards the front. I didn't change cables are anything. The backfire screen covers the opening of the intake plenum inside the airbox. It's behind the filter element. Mine gets a very light coating of very fine dust on it. I just wipe it off when I service the filter element. Someone really fussy might want to figure out how to stop any of that super fine dust from getting through. I figure it will just blow through the motor. Over thousand of miles it can wear intake valves though. I guess we'll see. <shrug> I'm fairly certain it comes through the flat element where the dirt concentrates at the snorkel inlet.
OK, now it's clear. I'll take a look to the backfire screen. So far, after 12.500km on my TE310 I've never seen dust on this element. May be (I'm not sure) because, as you, I also apply a line of heavy grease to the inside edge of the element where it contacts the housing. But may be it has to do with the fact that in TE630 dust concentrate at the snorkel inlet area. .Let's see...
