This precision dowel is made to replace the original locating pin in Zenoah G-series RC engines listed above and maintains correct alignment between crankcase halves. Though small, it is key to preserving crankshaft seating and internal clearance during overhauls.
When fitting a replacement, examine the mating surfaces and pin bore for pitting or bore distortion. The pin is intended as a press-fit; ensure it is installed squarely and fully seated, then check rotating assemblies for any rubbing or restriction. Avoid levering or bending the part during removal.
Carrying this spare helps prevent misalignment issues and supports reliable sealing and shaft geometry, which in turn assists stable running and easier jetting when tuning the engine for model use.
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