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| techtalk:ih:oil04h [2021/03/03 22:31] – [IH: Oiling & Lubrication - Sub-04I] hippysmack | techtalk:ih:oil04h [2024/01/01 21:03] (current) – hippysmack | ||
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| ====== IH: Oiling & Lubrication - Sub-04H ====== | ====== IH: Oiling & Lubrication - Sub-04H ====== | ||
| - | ====== Pics of Stock L1973-1978 XLCH Oil Tanks ====== | + | ====== Pics and Information on L1973-1978 XLCH " |
| - | Click on a pic to enlarge: \\ | + | See also in the Sportsterpedia; |
| + | ….. *[[techtalk:ih: | ||
| + | ….. *[[techtalk: | ||
| - | ===== 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' | 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' | ||
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| And used what looks like lightweight welded strap metal with an angular bracing running from the rear engine mount up to the end of the fender supports. \\ | And used what looks like lightweight welded strap metal with an angular bracing running from the rear engine mount up to the end of the fender supports. \\ | ||
| But a greater change (apart from the casting elimination) is the distance between the head tube and the rear vertical tubes. 1972 = 28.42", | But a greater change (apart from the casting elimination) is the distance between the head tube and the rear vertical tubes. 1972 = 28.42", | ||
| - | Even though the 1972 frame head had a greater rake angle (30°) the \\ 1973 rake angle was less (29°35' | + | Even though the 1972 frame head had a greater rake angle (30°) the 1973 rake angle was less (29°35' |
| - | 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 | + | Raising the tank meant that both the upper and lower mounts |
| - | In 75, a ridge was added to the inside of the filler neck to retain the filler cap better. | + | 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 |
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| + | 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. \\ | ||
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| + | ====== Pics ====== | ||
| + | Click on any pic to enlarge: \\ | ||
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| + | | L1973-1978 XLCH Oil Tank Pics ((photos courtesy of Ebay seller, animalhouse2010, | ||
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| + | | L1973-1978 XLCH Oil Tank Pics ((photos courtesy of Ebay seller, animalhouse2010, | ||
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