Zenoah Crankshaft Assembly PDF Print $48.00 SKU: T2075-42000 Zenoah Crankshaft Assembly Add to Wishlist Add to Compare Back to: Zenoah Marine Engine Parts Description Zenoah stock crankshaft (28mm stroke) for G231PUM / G260PUM / G231PUH / G260PUH / G260PU engines.