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techtalk:ih:engctl01 [2021/04/14 19:39] hippysmack |
techtalk:ih:engctl01 [2021/12/02 22:01] hippysmack [Battery Ignition (Circuit Breaker/Points/Timer/Distributor)] |
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* . . . [[techtalk:ih:engctl01a|See more on the Circuit Breaker Ignition System]] \\ | * . . . [[techtalk:ih:engctl01a|See more on the Circuit Breaker Ignition System]] \\ | ||
- | 57-78 Sportsters (except XLC and XLCH) | + | 57-78 Sportsters (except 58-69 XLC and XLCH) |
* The circuit breaker ignition system has two circuits; (1)-the primary and (2)-the secondary circuits. ((1959-1964 Sportster 55 OHV FSM pg 5F-1)) | * The circuit breaker ignition system has two circuits; (1)-the primary and (2)-the secondary circuits. ((1959-1964 Sportster 55 OHV FSM pg 5F-1)) | ||
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====== Engine Control Related Components ====== | ====== Engine Control Related Components ====== | ||
+ | ===== Sub-Documents ===== | ||
+ | * [[techtalk:ih:engctl01d#voes_-_vacuum-operated_electric_switch|See more on the Voes Switch]] | ||
+ | * [[techtalk:ih:engctl01#voes_-_vacuum-operated_electric_switch|See Testing the VOES Operation]]. | ||
+ | * [[techtalk:ih:engctl01f|Pics and information on Ironhead Coils and Bracketry]]. | ||
+ | \\ | ||
===== VOES - Vacuum-Operated Electric Switch ===== | ===== VOES - Vacuum-Operated Electric Switch ===== | ||
- | * . . . [[techtalk:ih:engctl01d#voes_-_vacuum-operated_electric_switch|See more on the Voes Switch]] | ||
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* The computerized, microprocessor ignition module is programmed with two spark advance curves to meet varying engine loads. The system includes a vacuum operated electric switch (VOES). ((HD Service Bulletin #M-856 dated August 6, 1982)) | * The computerized, microprocessor ignition module is programmed with two spark advance curves to meet varying engine loads. The system includes a vacuum operated electric switch (VOES). ((HD Service Bulletin #M-856 dated August 6, 1982)) | ||
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- | ===== Coil ===== | + | ===== Spark Coil ===== |
**Coil Mix-up on 1973-1974 Models** | **Coil Mix-up on 1973-1974 Models** | ||
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| 1980-1984 | 31609-80 | | | 1980-1984 | 31609-80 | | ||
|1985 | 31614-83A | | |1985 | 31614-83A | | ||
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+ | |||
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==== Timing Advance ==== | ==== Timing Advance ==== | ||
^ ^Ign. Retard ((57-69 HD Sportster FSM pg 3A-11)) ((70-78 HD Sportster FSM pg 3-1)) ((79-85 HD Sportster FSM pg 3-3))^Ign. Advance^ | ^ ^Ign. Retard ((57-69 HD Sportster FSM pg 3A-11)) ((70-78 HD Sportster FSM pg 3-1)) ((79-85 HD Sportster FSM pg 3-3))^Ign. Advance^ | ||
- | |**57-70**|15° (5/64") BTDC)|45° (11/16” BTDC)| | + | |**57-71**|15° (5/64") BTDC)|45° (11/16” BTDC)| |
- | |**71-79**|10° (1/32”) BTDC)|40° (17/32” BTDC)| | + | |**72-79**|10° (1/32”) BTDC)|40° (17/32” BTDC)| |
|Using Mechanical Advance mechanism = 30° range||| | |Using Mechanical Advance mechanism = 30° range||| | ||
|Static Timing is set with Flywheel at Full Advance Mark||| | |Static Timing is set with Flywheel at Full Advance Mark||| | ||
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|**80-82**|8° (BTDC)|26° BTDC - (600-1600 RPM)|40° BTDC) - (above 1600 RPM)| | |**80-82**|8° (BTDC)|26° BTDC - (600-1600 RPM)|40° BTDC) - (above 1600 RPM)| | ||
^ ^Startup Advance^Fast Idle Advance^1800-2800 RPM ((79-85 Sportster FSM pg 3-3))^ | ^ ^Startup Advance^Fast Idle Advance^1800-2800 RPM ((79-85 Sportster FSM pg 3-3))^ | ||
- | |**83-85**|10° (before TDC)|40° (before TDC)|55° (before TDC)| | + | |**83-85**|10° (BTDC)|40° (BTDC)|55° (BTDC)| |
|Using Electronic Module (computerized) allows calculating a wide range of advance spark timing|||| | |Using Electronic Module (computerized) allows calculating a wide range of advance spark timing|||| | ||
|Static Timing is set with Flywheel at TDC Mark - Used as a reference to calculate needed advance|||| | |Static Timing is set with Flywheel at TDC Mark - Used as a reference to calculate needed advance|||| | ||
+ | |||
==== Points Gap and Trigger Sensor Gap ==== | ==== Points Gap and Trigger Sensor Gap ==== | ||
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Install the clear plug into the timing hole. \\ | Install the clear plug into the timing hole. \\ | ||
It should be very near but not touching the flywheel. (go in until you touch the wheel and back off a 1/8-1/4 turn). | It should be very near but not touching the flywheel. (go in until you touch the wheel and back off a 1/8-1/4 turn). | ||
+ | |||
+ | \\ | ||
+ | |||
+ | The OEM Timing Rotor used for electronic ignitions on 1980-82 models is 32401-80 (Silver color). | ||
+ | |||
+ | For 1983-later, the OEM Timing Rotor is 32402-83 (Gold color). This later version is usually also used for aftermarket nosecone electronic ignitions installed in Ironhead models. | ||
| Example of timing cup window positions per piston positions. (Crane HI-4 on 73 model) ((photos by vivisix of the XLFORUM, labeled by Hippysmack, http://xlforum.net/forums/showthread.php?t=323376&page=3)) || | | Example of timing cup window positions per piston positions. (Crane HI-4 on 73 model) ((photos by vivisix of the XLFORUM, labeled by Hippysmack, http://xlforum.net/forums/showthread.php?t=323376&page=3)) || |