Zenoah 260/231 Flywheel PDF Print $38.80 SKU: ZEN-1155-71110 Zenoah 260/231/G300PUM Flywheel Add to Wishlist Add to Compare Back to: Zenoah Marine Engine Parts Description Replacement Flywheel for Zenoah G231PUM/G260PUM/G300PUM/G231PUH/G60PUH Engines.