Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision
Previous revision
Last revision Both sides next revision
techtalk:ih:oil04h [2021/03/12 13:46]
hippysmack [L1973-1978 Offset Mount Tank]
techtalk:ih:oil04h [2023/11/03 16:44]
hippysmack [Pics and Information on L1973-1978 XLCH Oil Tanks]
Line 1: Line 1:
 [[:​techtalk:​menu|{{ ​ :​techtalk:​gototechnicalmenu.jpg|}}]] [[:​techtalk:​menu|{{ ​ :​techtalk:​gototechnicalmenu.jpg|}}]]
 ====== IH: Oiling & Lubrication - Sub-04H ====== ====== IH: Oiling & Lubrication - Sub-04H ======
-====== Pics and Information on L1973-1978 XLCH Oil Tanks ====== +====== Pics and Information on L1973-1978 XLCH "​Lunchbox" ​Oil Tanks ====== 
-Click on a pic to enlarge: \\+See also in the Sportsterpedia;​ \\ 
 +….. *[[techtalk:ih:​oil04#​oil_line_routing|57-85 Oil Line Routing]] \\ 
 +….. *[[techtalk:​ih:​elec02m#​pics_and_information_on_stock_ih_battery_trays_and_parts|Pics and Information on stock IH Battery Trays and Parts]] ​\\
  
-===== L1973-1978 Offset Mount Tank =====+Click on any pic below to enlarge: \\ 
 +====== L1973-1978 Offset Mount Tank ======
 The design of the frame changed in 1973. 1972-earlier used a heavy rough casting where the top tube and the vertical rear tubes meet. \\ The design of the frame changed in 1973. 1972-earlier used a heavy rough casting where the top tube and the vertical rear tubes meet. \\
 The 1972 and earlier frame tubes are canted at an angle of 10° where the 1973 frame tubes are at an angle of 9°45'​. Not a great difference but still different. \\ The 1972 and earlier frame tubes are canted at an angle of 10° where the 1973 frame tubes are at an angle of 9°45'​. Not a great difference but still different. \\
Line 11: Line 14:
 But a greater change (apart from the casting elimination) is the distance between the head tube and the rear vertical tubes. 1972 = 28.42",​ 1973 = 29.04"​. \\ But a greater change (apart from the casting elimination) is the distance between the head tube and the rear vertical tubes. 1972 = 28.42",​ 1973 = 29.04"​. \\
 Even though the 1972 frame head had a greater rake angle (30°) the 1973 rake angle was less (29°35'​) the distance to the rear tubes is greater. ((piniongear of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=806891)) \\ Even though the 1972 frame head had a greater rake angle (30°) the 1973 rake angle was less (29°35'​) the distance to the rear tubes is greater. ((piniongear of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=806891)) \\
-73-78 tanks are notched on the flange between the top bolt holes. This notch allowed HD to raise the tank position. \\ +L73-78 tanks are notched on the flange between the top bolt holes. This notch allowed HD to raise the tank position. \\ 
-Raising the tank meant that both the upper and lower mounts ​also changed. \\ +Raising the tank meant that both the upper and lower mounts ​were changed ​(new upper mount - 62554-73 and new lower mount - 62555-73). \\ 
-In 75, a ridge was added to the inside of the filler neck to retain the filler cap better. The 73-78 bottom mount is taller for the raised tank. ((Dr Dick of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1284627)) ​+In 1975, a ridge was added to the inside of the filler neck to retain the filler cap better. The L73-78 bottom mount is taller for the raised tank. ((Dr Dick of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1284627)) ​ 
 + 
 +Below is an after market version upper oil tank mount from Legends Motorcycles showing how the upper mount changed. \\  
 +There are two mounting holes running front to rear to attach it to the frame. \\ 
 +{{:​techtalk:​ih:​oil:​oil_tank_bracket_-_upper-_for_l1973-1978_xlch_by_legendsmc.jpg?​direct&​300|}} ((photo courtesy of Legends Motorcycles,​ [[https://​www.ebay.com/​str/​legendsmotorcycles?​_trksid=p2047675.l2563|Link to Ebay store]] )) \\ 
 + 
 +====== Pics ====== 
 +Click on any pic to enlarge: \\ 
 + 
 +|  L1973-1978 XLCH Oil Tank Pics ((photos courtesy of Ebay seller, animalhouse2010,​ [[https://​www.ebay.com/​str/​animalhouse2010?​_trksid=p2047675.l2563|Link to Ebay store:]] ))  ||| 
 +|{{:​techtalk:​ih:​oil:​1973l-1978_xlch_oil_tank_62508-73_pic1_by_animalhouse2010.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​1973l-1978_xlch_oil_tank_62508-73_pic2_by_animalhouse2010.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​1973l-1978_xlch_oil_tank_62508-73_pic3_by_animalhouse2010.jpg?​direct&​300|}}| 
 + 
 +|  L1973-1978 XLCH Oil Tank Pics ((photos courtesy of Ebay seller, animalhouse2010,​ [[https://​www.ebay.com/​str/​animalhouse2010?​_trksid=p2047675.l2563|Link to Ebay store:]] ))  ||| 
 +|{{:​techtalk:​ih:​oil:​1973l-1978_xlch_oil_tank_62508-73_pic4_by_animalhouse2010.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​1973l-1978_xlch_oil_tank_62508-73_pic5_by_animalhouse2010.jpg?​direct&​300|}}|{{:​techtalk:​ih:​oil:​1973l-1978_xlch_oil_tank_62508-73_pic6_by_animalhouse2010.jpg?​direct&​300|}}|
  
 \\ \\