#AK752 MOTOR Honda HS621 HS 621 HS521 Snowblower Snow Blower COMPLETE EngineA good used COMPLETE RUNNING engine that fits Honda HS521 & HS621 Snow blowers. Please use pictures as a guide. Check out my other auctions for other related items. The item “#AK752 MOTOR Honda HS621 HS 621 HS521 Snowblower Snow Blower COMPLETE Engine”.