CAN SOMEONE HELP ME WORK OUT NEEDLE JETS THAT I HAVE WITH A PWK28 CARBY. THE NEEDLES ARE N68D .N68E .N68G .N68H. WHAT DOES THE NUMBERS MEAN RICHER OR LEANER?
The #'s for our needdles don't match up, The letters for mine are
W,J,K,L,M
Each stands for diameter of the straight portion of needle, not the length or tapered part.
W is thinnest (richest), M is thickest (leanest).
They go in increments of .01 mm.
If you have the needles and can measure them, you could tell if they follow the same rough order as mine, otherwise maybe someone else with the same carb as you will have the info you need.
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