Originally Posted by trailrider383
Needle jet wear? I seem to be getting worse gas mileage than I used to. I remember reading about needle jet wear. Anybody have one wear out? This thread has some info about it. http://www.advrider.com/forums/showt...ghlight=needle
Or is the needle jet wear only on the paint shaker LC4's with the BST40? I've got 20,000 miles on my DR and probably about 17,000 of that is with the DynoJet needle in it.
If it's a BST it'll wear the needle jet.
It'll mainly show up at idle and boggyness off the bottom when accelerating.
Old one on the left...