tecnica:motori:honda_ntv650_wiring_diagram
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| tecnica:motori:honda_ntv650_wiring_diagram [2025/10/21 09:46] – [Harness wires gauge] niccolo | tecnica:motori:honda_ntv650_wiring_diagram [2026/08/24 09:37] (current) – [Riferimenti web] niccolo | ||
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| Here it is the **wiring diagram drawn in color**. It was derived by me from a black and white printed diagram from Honda. Inspecting the original drawing I spotted two erros: there were two missing joints. Both were in the main harness, one on the green wires and the other in the white/green wires. | Here it is the **wiring diagram drawn in color**. It was derived by me from a black and white printed diagram from Honda. Inspecting the original drawing I spotted two erros: there were two missing joints. Both were in the main harness, one on the green wires and the other in the white/green wires. | ||
| - | {{.: | + | {{.: |
| - | Here it is the the PDF version: **{{.: | + | Here it is the the PDF version: **{{.: |
| ===== Headlight wiring ===== | ===== Headlight wiring ===== | ||
| Line 16: | Line 16: | ||
| Inside the main wiring harness you will find at least three types of cables; they are stranded cables of different gauges, these are the specifications: | Inside the main wiring harness you will find at least three types of cables; they are stranded cables of different gauges, these are the specifications: | ||
| - | ^ ^ Outer diameter | + | ^ ^ Outer diameter |
| - | | Thin | 1.70 mm | 20 | 0.16 mm | 0.40 mm² | 21 AWG 20/34 | | + | ^ Thin | 1.70 mm | 20 | 0.16 mm | 0.40 mm² | 21 AWG 20/34 | 2.9 A |
| - | | Medium | + | ^ Medium |
| - | | Thick | + | ^ Thick |
| The outer diameter refers to the overall cable, including the insulator. The AWG gauge is calculated measuring the diameter of the single strand and calculating the overall cross-sectional area; then the nearest value is looked into the [[wp> | The outer diameter refers to the overall cable, including the insulator. The AWG gauge is calculated measuring the diameter of the single strand and calculating the overall cross-sectional area; then the nearest value is looked into the [[wp> | ||
| - | **NOTICE**: The **19 AWG 30/34** notation means that there are 30 strands, each strand is an AWG #34 wire (0.160 mm diameter), the overall cross-section | + | **NOTICE**: The **19 AWG 30/34** notation means that there are 30 strands, each strand is an AWG #34 wire (0.160 mm diameter), the overall cross-sectional |
| + | |||
| + | **NOTICE**: The **ampacity** reported in the table is the maximum electrical current in amperes that the conductor can carry for **2 meters**, mantaining the **voltage drop below 2%**. The formulas for calculating the voltage drop for a copper conductor (coefficient ρ = 1.68*10^-8 Ωm) are: | ||
| + | |||
| + | * cable resistance **Ω** = (1,68 * 10^-8 **Ωm**) * (cable lenght **m**) / (cross sectional **m²**) | ||
| + | * voltage drop **v** = (current **A**) * (cable resistance **Ω**) | ||
| ==== Web References ==== | ==== Web References ==== | ||
| Line 58: | Line 63: | ||
| ^ 8240-4092 | ^ 8240-4092 | ||
| ^ 8240-4050 | ^ 8240-4050 | ||
| + | ^ Sumitomo 4 mm bullet series | ||
| + | ^ 7230-5873 | ||
| + | ^ 7210-0011 | ||
| Here you can download the **{{.: | Here you can download the **{{.: | ||
| Line 71: | Line 79: | ||
| {{.: | {{.: | ||
| - | You will hear the noise from the working pump. Ance the carburetors are full, the pump will stop. | + | You will hear the noise from the working pump. Once the carburetors are full, the pump will stop. |
| ===== Connectors wires color ===== | ===== Connectors wires color ===== | ||
| Line 80: | Line 88: | ||
| {{.: | {{.: | ||
| + | ===== Il diodo del circuito di sicurezza dell' | ||
| + | |||
| + | {{ .: | ||
| + | A cosa serve il diodo presente nell' | ||
| + | |||
| + | La moto ha un circuito di sicurezza per l' | ||
| + | |||
| + | Per ottenere questo la linea del negativo del relé di avviamento è collegata effettivamente a massa solo se si verifica almeno una di queste due condizioni indipendenti: | ||
| + | |||
| + | * Cambio in folle (interruttore della folle chiuso verso massa). | ||
| + | * Leva frizione tirata e cavalletto laterale alzato (entrambi gli interruttori chiusi verso massa). | ||
| + | |||
| + | Tuttavia **la spia della folle deve accendersi solo nella prima condizione**. Il **diodo** quindi | ||
| + | |||
| + | ===== Riferimenti web ===== | ||
| + | |||
| + | * **[[https:// | ||
| + | * **[[https:// | ||
| + | * **[[https:// | ||
| + | * **[[https:// | ||
tecnica/motori/honda_ntv650_wiring_diagram.1761032763.txt.gz · Last modified: by niccolo
