Differences

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--- tecnica:motori:honda_ntv650_regulator_troubleshooting [2025/08/02 23:20] – [Measures on the wire harness and generator side] niccolo
+++ tecnica:motori:honda_ntv650_regulator_troubleshooting [2025/08/03 23:34] (current) – [Web References] niccolo
@@ Line 43: / Line 43: @@
 | Yellow      | Ground       | No continuity  |
-Using the **DT-182** Mini multimeter on the **200 Ω** scale, the reading with the terminals shorted is **0.4 Ω**, measuring each coil the reading is **0.8 Ω** instead.
+Using the **DT-182** Mini multimeter on the **200 Ω** scale, the reading with the terminals shorted is **0.4 Ω**, measuring each coil (yellow-yellow) the reading is **0.8 Ω** instead.
@@ Line 52: / Line 52: @@
 ^  ^^  Kowa  ^  DT-182  ^^^  DT9806  ^^^
 ^  (+) Probe  ^  (-) Probe   ^  RX100  ^  200K  ^  2000K  ^  Diode  ^  200kΩ  ^  2MΩ  ^   Diode  ^
-| Red/White  | Green       |  5~30 |  32.3* |     - |    ∞ |  32.6* |     - |    - |
+| Red/White  | Green       |  5~30 |  32.3* |     - |    ∞ |  32.6* |     - |    ∞ |
 | Red/White  | Yellow 1    |  1~20 |      - |  1770 |    ∞ |      - |  .770 |    ∞ |
 | Red/White  | Yellow 2    |  1~20 |      - |  1770 |    ∞ |      - |  .770 |    ∞ |
@@ Line 77: / Line 77: @@
 Values measured on the diode scale may vary by **+/- 2%**, values measured on the MΩ scale may vary by **+/- 5%**.
-The following picture represents the schematic of a generic regulator/rectifier for a three-phase alternator (credits to [[https://www.homemade-circuits.com/3-phase-motorcycle-voltage-regulator/|www.homemade-circuits.com]]), **it is not the schematic of the Honda part**, use it just to understand how the rectifier diodes are tested:
+The following picture represents the schematic of a generic regulator/rectifier for a three-phase generator (credits to [[https://www.homemade-circuits.com/3-phase-motorcycle-voltage-regulator/|www.homemade-circuits.com]]), **it is not the schematic of the Honda part**, use it just to understand how the rectifier diodes are tested:
 {{.:honda_ntv650:multimeters:motorcycle-regulator-rectifier.png?direct&480|Motorcycle regulator/rectifier schematic}}
@@ Line 96: / Line 96: @@
 ==== Generator voltage ====
-You can measure the **A.C.** voltage generated by each of the three generator coils with a multimeter at the **black 3P connector**, measuring each of the three yellow wires two by two. Each coil should produce about **6 V (A.C.)** at **3000 rpm**.
+You can measure the **A.C.** voltage generated by each of the three generator coils with a multimeter at the **black 3P connector**, measuring each of the three **yellow wires two by two**.
+  * **Disconnect** both the **black 3P** and the white **4P connectors** of the rectifier.
+  * The **battery must be charged enough** to allow the engine to run for a minute or two, without the generator providing power.
+  *  **Start the engine** and connect the multimeter to the **3P black female** connector (three yellow wires), pairing the wires two by two; i.e. testing 1-2, 1-3 and 2-3.
+  * Each coil should produce about **26 V (A.C.)** at **3000 rpm**.
@@ Line 102: / Line 107: @@
   * **[[https://www.ittsb.eu/forum/index.php?topic=1851.0|What is KOWA KS-AHM-32-003 Digital multimeter by HONDA recommended CDI tester?]]**
-  * **[[https://youtube.com/watch?v=mn6RtpdmeQE&feature=shared|How To Test A Regulator Rectifier (Motorcycle)]]** - Video
+  * **[[https://electronicshacks.com/how-to-test-a-stator-with-a-multimeter/|How to Test a Stator With a Multimeter?]]**
+  * **[[https://www.motorcycleforum.com/threads/testing-a-3-phase-alternator-stator-r-r-and-battery.245315/|Testing a 3 Phase Alternator-Stator-R/R And battery]]**
+  * Video: **[[https://youtube.com/watch?v=mn6RtpdmeQE|How To Test A Regulator Rectifier (Motorcycle)]]**
+  * Video: **[[https://youtube.com/watch?v=-5gBeW9mQoY|How to Test the Stator on a Motorcycle, ATV, or UTV]]**
+  * Video: **[[https://youtube.com/watch?v=H5ZU_c2a1pA|How to Test the Charging System on a Honda CBR 600 RR]]**