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techtalk:ih:engctl01f [2018/05/29 04:09] hippysmack [IH: Engine Control - Sub-01D] |
techtalk:ih:engctl01f [2023/12/31 18:13] (current) hippysmack |
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- | ====== IH: Engine Control - Sub-01D ====== | + | ====== IH: Engine Control - Sub-01F ====== |
- | ====== Revised timing marks starting with 1980 models ====== | + | ====== Pics and information on Ironhead Coils and Bracketry ====== |
- | * The timing marks have been revised on all 1980 and later 1000cc (crankcase number 780-108-001 and up) and 1340cc models to enable the timing to be set electronically at the factory. This step will reduce the number of timing adjustments required during pre-delivery and set-up. The procedure used to set the timing is exactly the same. | + | 1965-1966 XLH had a 12v coil mounted on a two holed boss under the seat casting on the right side of the bike with an angled plate (31727-65) holding the coil on. \\ |
- | * Only the timing marks have changed. The front cylinder advance timing mark has changed from a straight line to a 1/8" dot and the rear cylinder advanced timing mark now represented by a lazy eight. | + | |
- | * Revised timing marks: | + | |
- | * A straight line for the front cylinder (top dead center). | + | |
- | * An 1/8" drilled dot for the front cylinder (full advance). | + | |
- | * A lazy eight {{:techtalk:ih:engctl:lazy_eight_icon.jpg?direct&50|}} for the rear cylinder full advance. | + | |
+ | {{:techtalk:ih:engctl:coil-cover_mounting_studs_1955-1966_upper_and_lower_by_moon_wolf.jpg?direct&300|}} ((photo by Moon Wolf of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/112326-a-photo-catalog-of-ironhead-parts/page17?t=1062720&page=17)) \\ | ||
+ | \\ | ||
+ | |||
+ | 1970-1972 XLH, XLCH coil moved on top front of the rear fender using a lengthened seat post retaining bracket (51526-52A). \\ | ||
+ | The -52A bracket was also sold as replacement for 1965-1969 XLH models. \\ | ||
+ | |||
+ | {{:techtalk:ih:engctl:1970-1972_xlh_xlch_coil_mount_bracket_51526-52a_by_tomscybershop.jpg?direct&300|}} ((photo courtesy of TomsCyberShop.com www.TomsCyberShop.com)) {{techtalk:ih:engctl: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]] )) {{:techtalk:ih:body:key_switch_and_coil_-_1971_xlch_w_buddy_seat_pic2_by_the_doctor_71.jpg?direct&300|}} ((photo by The Doctor 71 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/187269-location-of-ignition-switch-on-1971-xlch?t=2000541)) \\ | ||
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- | [[:techtalk:menu|{{:techtalk:gototechnicalmenu.jpg|}}]] | ||
+ | [[:techtalk:menu|{{:techtalk:gototechnicalmenu.jpg|}}]] |