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techtalk:ih:engmech01f [2023/12/19 16:14]
hippysmack [1977-1978 Transmission Sprocket Covers]
techtalk:ih:engmech01f [2024/01/02 03:44] (current)
hippysmack [Ironhead Transmission Sprocket Cover Pics]
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 ====== IH: Engine Mechanicals - Sub-01F ====== ====== IH: Engine Mechanicals - Sub-01F ======
 ====== Ironhead Transmission Sprocket Cover Pics ====== ====== Ironhead Transmission Sprocket Cover Pics ======
 +See also in the Sportsterpedia;​ \\
 +* . . . [[techtalk:​ih:​engctl03a|1968 Kicker Cover Roll Pin Repair]] \\
 +* . . . [[techtalk:​ih:​engctl03b|1977-1978 Kicker Cover Damage Repair]] \\
 +* . . . [[techtalk:​ih:​transfinal02a|How to Adjust a Dry Clutch]] \\
 +
 +
 \\ \\
  
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 {{:​techtalk:​ih:​engmech:​1952-1970_k_model_sportster_kick_spring_stud_33088-52_by_wheatstateparts.jpg?​direct&​400|}} ((photos courtesy of Ebay seller, WheatStateParts. [[https://​www.ebay.com/​str/​cos0608|Link to Ebay Store]] )) {{:​techtalk:​ih:​engmech:​1952-1970_k_model_sportster_kick_spring_stud_33088-52_by_ebay_sum-body1.jpg?​direct&​400|}} ((photo courtesy of Ebay seller, Sum-body'​s Harley Parts, [[https://​www.ebay.com/​str/​sumbodysharleyparts|Link to Ebay Store]] )) \\ {{:​techtalk:​ih:​engmech:​1952-1970_k_model_sportster_kick_spring_stud_33088-52_by_wheatstateparts.jpg?​direct&​400|}} ((photos courtesy of Ebay seller, WheatStateParts. [[https://​www.ebay.com/​str/​cos0608|Link to Ebay Store]] )) {{:​techtalk:​ih:​engmech:​1952-1970_k_model_sportster_kick_spring_stud_33088-52_by_ebay_sum-body1.jpg?​direct&​400|}} ((photo courtesy of Ebay seller, Sum-body'​s Harley Parts, [[https://​www.ebay.com/​str/​sumbodysharleyparts|Link to Ebay Store]] )) \\
  
-The 1971-1979 stud was lengthened from the earlier version. The area between the spring retention groove and hex is longer. ((Dr Dick of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​p=6013666#post6013666)) \\+The 1971-1979 stud was lengthened from the earlier version. The area between the spring retention groove and hex is longer. ((Dr Dick of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​205696-ironhead-sprocket-covers#post4662020)) \\
  
 {{:​techtalk:​ih:​engmech:​1971-1978_kick_starter_spring_stud_33088-71_by_sum-body1.jpg?​direct&​400|}} ((photo courtesy of Ebay seller, Sum-body'​s Harley Parts, [[https://​www.ebay.com/​str/​sumbodysharleyparts|Link to Ebay Store]] )) \\ {{:​techtalk:​ih:​engmech:​1971-1978_kick_starter_spring_stud_33088-71_by_sum-body1.jpg?​direct&​400|}} ((photo courtesy of Ebay seller, Sum-body'​s Harley Parts, [[https://​www.ebay.com/​str/​sumbodysharleyparts|Link to Ebay Store]] )) \\
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 It's a 1 year, 1 model only, cover (machined for both kick and electric start as fitted from factory). \\ It's a 1 year, 1 model only, cover (machined for both kick and electric start as fitted from factory). \\
 ===== 1968-1969 XLH Cover ===== ===== 1968-1969 XLH Cover =====
-The original 1968-1969 XLH cover is HD part# (34869-68), with the upper dowel in the rear of the cover attaching bolt and machined for an optional factory kick start kit. ((Dr Dick of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​p=6013853#post6013853)) \\+The original 1968-1969 XLH cover is HD part# (34869-68), with the upper dowel in the rear of the cover attaching bolt and machined for an optional factory kick start kit. ((Dr Dick of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​205696-ironhead-sprocket-covers#post4662020)) \\
 The ribbed design matching the cam cover was removed for a smooth surface across the cover instead (often referred to as a moonpie cover). \\ The ribbed design matching the cam cover was removed for a smooth surface across the cover instead (often referred to as a moonpie cover). \\
 The worm gear roll pin bore does not go all the way through to the front of the cover. \\ The worm gear roll pin bore does not go all the way through to the front of the cover. \\
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 A 1/​4"​-20 x 1-3/4" posi-drive head screw (1308) was used thru the lower (hollow) dowel for extra clamp support on the sprocket cover. \\ A 1/​4"​-20 x 1-3/4" posi-drive head screw (1308) was used thru the lower (hollow) dowel for extra clamp support on the sprocket cover. \\
 The L77 cover has an extra hole in the location for the screw although most folks swap the posi-drive screw to a phillips head screw. \\ The L77 cover has an extra hole in the location for the screw although most folks swap the posi-drive screw to a phillips head screw. \\
-HD most likely added the fastener to help support an inherently weak cover when using the OEM folding kicker required by the big 2-1 muffler. ((ericfreeman of the xlforum ​http://​xlforum.net/​forums/showthread.php?t=945685)) \\+HD most likely added the fastener to help support an inherently weak cover when using the OEM folding kicker required by the big 2-1 muffler. ((ericfreeman of the xlforum ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​105814-77-and-78-sprocket-cover-xlh-vs-xlch?t=945685)) \\
 This threaded hole may or may not go all the into the transmission case. \\ This threaded hole may or may not go all the into the transmission case. \\
 If it does, you may need to add some thread sealer on the screw threads before installing it, or there will be some oil spillage there. \\ If it does, you may need to add some thread sealer on the screw threads before installing it, or there will be some oil spillage there. \\
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 ====== 1979 XLCH Cover ====== ====== 1979 XLCH Cover ======
 Outer Sprocket Cover (34872-79), polished, with kichstarter. \\ Outer Sprocket Cover (34872-79), polished, with kichstarter. \\
-The master cylinder was mounted high on the 79's to miss the optional kickstarter shaft. Later models have no kicker. ​((ryder rick of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=667564&​page=2)) ​\\+The master cylinder was mounted high on the 79's to miss the optional kickstarter shaft. Later models have no kicker. \\
 Click on a pic to enlarge: ((photos courtesy of Ebay seller, WheatStateParts. [[https://​www.ebay.com/​str/​cos0608|Link to Ebay Store]] )) \\ Click on a pic to enlarge: ((photos courtesy of Ebay seller, WheatStateParts. [[https://​www.ebay.com/​str/​cos0608|Link to Ebay Store]] )) \\
  
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 Here is how the inner cover fits in the outer cover. \\ Here is how the inner cover fits in the outer cover. \\
 Also shown is how the rear brake linkage is connected over the cover with the return spring attached to the cover. \\ Also shown is how the rear brake linkage is connected over the cover with the return spring attached to the cover. \\
-{{:​techtalk:​ih:​engmech:​1979_xlh-xlch-xls_inner_transmission_sprocket_cover_34899-79_by_hawghd1.jpg?​direct&​300|}} ((photo courtesy of Ebay seller, hawghd1 [[https://​www.ebay.com/​str/​moschopshop?​_trksid=p2047675.l2563|Link to Ebay Store]] )) {{:​techtalk:​ih:​engmech:​1979_xlh-xlch-xls_inner_transmission_sprocket_cover_34899-79_by_1979ironhead.jpg?​direct&​300|}} ((photo by 1979ironhead of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?t=667564)) \\+{{:​techtalk:​ih:​engmech:​1979_xlh-xlch-xls_inner_transmission_sprocket_cover_34899-79_by_hawghd1.jpg?​direct&​300|}} ((photo courtesy of Ebay seller, hawghd1 [[https://​www.ebay.com/​str/​moschopshop?​_trksid=p2047675.l2563|Link to Ebay Store]] )) {{:​techtalk:​ih:​engmech:​1979_xlh-xlch-xls_inner_transmission_sprocket_cover_34899-79_by_1979ironhead.jpg?​direct&​300|}} ((photo by 1979ironhead of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​86229-need-pic-of-79-rear-brake-linkage?t=667564)) \\
  
 ====== 1980 XLH Cover ====== ====== 1980 XLH Cover ======