A purpose-built straight reamer for RC suspension pins, the Yokomo YT-SR3W is intended to pass through 3.0mm pin holes to remove burrs and correct minor misalignment that can impede smooth pivot action. The cutting section is carbide and the handle area is aluminium, which balances cutting durability with a lightweight hand feel for workshop and field use.
The typical procedure is to run the reamer in line with the pin axis through the hole to true the bore, then check for free, predictable arm movement. Because it is light and made for manual use, it lessens hand strain during repeated hole cleanup and supports consistent suspension response when making adjustments.
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