Jordan sez:

I am getting a ticking sound and I think it may be from a tappet. What
is the best way to check a tappet and if I replace them, should I do
just the bad one or all of them.

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Get a mechanics stethoscope or just get a big screw driver and stick the
fat end next to your ear and the other on the tappet block. That will
help isolate whether it is a lifter noise or not. Somtimes pulling a
spark wire off and grounding do the engine runs on one cyclinder will
help too. You didn't say what year the bike was. You will have to
compare pushrod part numbers between the T-storm engine and the stock
sportster engine too see if you needed different pushrods. I don't
remember this being and issue unless the heads were decked or thick head
gasket were used. Did the noise start right after the conversion or is
it new? Did you just add a windshield? The sportster engines are loud
clanky beasts and the first time you hear one with a windshield can be
"enlightening" so to speak. Does the noise change with engine rpm or
engine temperature? Stock lifters are fine as long as you aren't
routinely visiting 6000 rpm plus.

Skinny Kenny