87121-ZVT-B10 RR (140) mark - Overview. The 87121-ZVT-B10 RR (140) Mark is an essential marking component in Honda marine engine systems. It plays a vital role in identifying the rear section of the (140) series engine configuration. Manufactured to meet exact factory specifications, this OEM part ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Precise rear marking for Honda marine engines in the 140 series category.. Genuine OEM component designed to meet strict factory tolerances and dimensions.. Ensures accurate serial identification range from 1000001 to 9999999, aiding maintenance and service.. Made to integrate cleanly with existing rigging and engine hardware.. Enhances system reliability by maintaining correct part identification and traceability.. Supports Honda's commitment to durability and consistent marine engine performance.. Why Choose Genuine OEM. Using original Honda parts like the 87121-ZVT-B10 RR (140)