This comprehensive service manual covers Hisun HS500, HS600, and HS700 UTV models, as well as Bennche BMS and Big Muddy clone UTVs. These versatile utility vehicles are engineered for demanding off-road applications, offering robust performance and reliability. This manual provides the essential information needed to understand and maintain these capable machines. This professional workshop manual details all repair, servicing, and troubleshooting procedures. It contains hundreds of pages filled with step-by-step instructions, detailed photographs, and exploded diagrams, mirroring the resources used by professional mechanics and technicians. Owners and service personnel will find this manual invaluable for correctly performing every maintenance and repair task, ensuring the longevity and optimal performance of their UTV.