The Kyosho B0132-20 4mm Bush Set supplies the small bearing surfaces that help the EP Jet Stream 600 run cleanly. Replacing these bushings as part of scheduled maintenance reduces friction and helps prevent shaft wobble.
Fresh 4mm bushings reduce metal-on-metal contact and keep rotating components aligned. That leads to steadier propulsion and fewer surprises during fast runs or rough water.
Work with a clean bench and inspect the shaft and housing for scoring before fitting new bushings. Proper seating and alignment are key to getting full life out of the replacement parts.
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