Differences
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techtalk:ih:engctl01 [2021/05/20 15:44] hippysmack [Spark Coil] |
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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|1985 | 31614-83A | | |1985 | 31614-83A | | ||
- | **Brackets**: \\ | ||
- | {{:techtalk:ih:elec:coil_mount_bracket_51526-52a_1965-1970_h_1970_ch_by_tomscybershop.jpg?direct&300|}} ((photo courtesy of TomsCyberShop.com www.TomsCyberShop.com)) {{:techtalk:ih:elec:coil_mounting_plate_31727-65_1965-1970_h_1970_ch_by_jrsvintageharley1990.jpg?direct&300|}} ((photo courtesy of Ebay seller, Jrs Vintage Harley 1990, [[https://www.ebay.com/str/jrsvintageharleyparts?_trksid=p2047675.l2563|Link to Ebay Store]] )) \\ | ||
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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 ==== | ||