Score for Custom Job Description:
1. Job Title: 10/10, 10/10, 10/10
2. Introduction/Overview: 9/10, 9/10, 9/10
3. Roles & Responsibilities (or Job responsibilities): 8/10, 8/10, 9/10
4. Years of Experience: 10/10, 10/10, 10/10
5. Education Qualification: 10/10, 10/10, 10/10
6. Skills/Knowledge: 9/10, 9/10, 9/10
7. Domain/Industry:  9/10, 9/10, 9/10
8. Key Competencies: 7/10, 7/10, 8/10
9. Employment Type: 0/10, 0/10, 0/10
10. Company Overview: 10/10, 10/10, 10/10
11. Benefits & Opportunities: 0/10, 0/10, 0/10
12. Location & Travel: 10/10, 10/10, 10/10

Explanation:

1. Job Title:
The job title "HMI Developer" is clear, complete, and relevant to the position.

2. Introduction/Overview:
The introduction provides a detailed overview of the company, its history, and its products, which is clear and relevant. However, it could be more concise for better clarity.

3. Roles & Responsibilities:
The responsibilities are clearly outlined and relevant to the HMI Developer role. However, there could be more detail on the specific projects or types of HMI interfaces to be developed for completeness.

4. Years of Experience:
The requirement of "Minimum 4 years of relevant experience" is clear, complete, and relevant.

5. Education Qualification:
The education qualification is clearly stated and aligns with the benchmark.

6. Skills/Knowledge:
Skills and knowledge requirements are clear and relevant but could include more specific examples of third-party libraries or proprietary software for completeness.

7. Domain/Industry:
The domain is well-defined and relevant, with a clear connection to the motorcycle industry.

8. Key Competencies:
Competencies are listed, but they are somewhat generic and could be more tailored to the specific role for better clarity and completeness.

9. Employment Type:
No details are provided about the employment type, which results in a score of 0 for all parameters.

10. Company Overview:
The company overview is comprehensive, clear, and relevant, providing a strong understanding of the company's background and operations.

11. Benefits & Opportunities:
No details are provided about the benefits and opportunities, which results in a score of 0 for all parameters.

12. Location & Travel:
The location is clearly stated, and while there is no specific mention of travel requirements, the location is relevant to the role.