If you want to use a fluid other than one that's been known to eliminate noise issues... go for it. Report back on whether it worked - I'm always up for a cheaper alternative.
The stock pulley is rigid plastic. If you are comfortable pressing a bearing in and out of that, go for it. Also note that they sometimes spontaneously disintegrate, although the evidence is unclear as to whether that's after the bearing fails and seizes.
Keep in mind that the crankshaft pulley is around 6" in diameter, vs. about 2.5 for the idler, so it's running at least a 3:1 ratio... guess how fast it's spinning when you push 5-6K RPM. With that in mind, I made the investment in the metal Wazee with a bearing I can replace for about $10 in the future.
posted by 173.76.11...
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