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techtalk:ih:engctl01 [2021/04/14 19:42]
hippysmack [VOES - Vacuum-Operated Electric Switch] 		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 ===== ===== Sub-Documents =====
-* . . . [[techtalk:​ih:​engctl01f|Coil and Mounting Information]] \\+  ​* [[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]]. 
  
 \\ \\
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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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 ==== 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)) ​ ||

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