6101-7176-1303 description
This 71mm bore Sphynx Cylinder is available for the TRX based machines, allowing it to be used when an "under 306cc" class limit is necessary. This engine kit can be used with a ""4mill"" stroke ""long rod"" crankshaft, although enlargement of the skirt area of your cases is required to accept the larger cylinder skirt on this model.
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