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techtalk:evo:transfinal02 [2017/12/04 10:15] – ↷ Links adapted because of a move operation ixl2relaxtechtalk:evo:transfinal02 [2024/01/09 02:00] (current) – hippysmack
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 ====== EVO: Transmission & Final Drive ====== ====== EVO: Transmission & Final Drive ======
  
-^Click here for tips on [[techtalk:ref:notes05#speed_transmission_removal_inspection_installation|4 Speed Transmission Removal / Inspection / Installation]]^   +^Click here for tips on [[techtalk:ref:svcproc10#speed_transmission_removal_inspection_installation|4 Speed Transmission Removal / Inspection / Installation]]^   
  
  
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 |{{:techtalk:evo:transfinal:1990_4_speed_1_by_dave76.jpg?direct&300|}}|{{:techtalk:evo:transfinal:1990_4_speed_2_by_dave76.jpg?direct&300|}}|{{:techtalk:evo:transfinal:1990_4_speed_3_by_dave76.jpg?direct&300|}}| |{{:techtalk:evo:transfinal:1990_4_speed_1_by_dave76.jpg?direct&300|}}|{{:techtalk:evo:transfinal:1990_4_speed_2_by_dave76.jpg?direct&300|}}|{{:techtalk:evo:transfinal:1990_4_speed_3_by_dave76.jpg?direct&300|}}|
-|  1990 4 Speed Transmission ((photos by Dave 76 of the XLFORUM http://xlforum.net/vbportal/forums/showthread.php?t=513989&highlight=speed ))  ||| +|  1990 4 Speed Transmission ((photos by Dave 76 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-drivetrain/sportster-motorcycle-transmission-clutch-primary-secondary-drive/73714-4-speed-info?t=513989&highlight=speed))  ||| 
-|{{:techtalk:evo:transfinal:1990_4_speed_4_by_dave76.jpg?direct&300|}}|{{:techtalk:evo:transfinal:1990_4_speed_5_by_dave76.jpg?direct&300|}}| +|{{:techtalk:evo:transfinal:1990_4_speed_4_by_dave76.jpg?direct&300|}}|{{:techtalk:evo:transfinal:1990_4_speed_5_by_dave76.jpg?direct&300|}}|{{:techtalk:evo:transfinal:88_4_speed_by_wi_duker.jpg?direct&300|}}| 
-|  1990 4 Speed Transmission ((photos by Dave 76 of the XLFORUM http://xlforum.net/vbportal/forums/showthread.php?t=513989&highlight=speed))  ||+|  1990 4 Speed Transmission ((photos by Dave 76 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-drivetrain/sportster-motorcycle-transmission-clutch-primary-secondary-drive/73714-4-speed-info?t=513989&highlight=speed))  ||  1988 4 Speed by WI_duker))  |  
 ====== Specifications ====== ====== Specifications ======
  
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 |Spring Force|Engaged: 304 lbs|Disengaged: 260 lbs| |Spring Force|Engaged: 304 lbs|Disengaged: 260 lbs|
 |Clutch shell bearing on clutch gear (loose)|0.0000 in-0.0010 in. / (0.0254 mm)| |Clutch shell bearing on clutch gear (loose)|0.0000 in-0.0010 in. / (0.0254 mm)|
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 ===== Primary Drive (engine to transmission) ===== ===== Primary Drive (engine to transmission) =====
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 |The MoCo publishes for 1986-1990 ((1986-1990 HD Sportster FSM pg 2-1))|1.5 pints (24 oz), (710 ml)| |The MoCo publishes for 1986-1990 ((1986-1990 HD Sportster FSM pg 2-1))|1.5 pints (24 oz), (710 ml)|
   * This quantity is for a dry application. When changing oil, use your own judgement not to overfill as you won't need a full 1.5 pints to re-fill the oil.   * This quantity is for a dry application. When changing oil, use your own judgement not to overfill as you won't need a full 1.5 pints to re-fill the oil.
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 ===== Transmission ===== ===== Transmission =====
   * Internal Gear Ratios are the number of clutch gear revolutions to drive the mainshaft sprocket one revolution.   * Internal Gear Ratios are the number of clutch gear revolutions to drive the mainshaft sprocket one revolution.
   * Overall Gear Ratios are the number of engine revolutions to drive rear wheel one revolution.   * Overall Gear Ratios are the number of engine revolutions to drive rear wheel one revolution.
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 ^Year (all models) Internal Gear Ratios^^^^^ ^Year (all models) Internal Gear Ratios^^^^^
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 |1987-1990|9.12|6.59|4.98|3.97| |1987-1990|9.12|6.59|4.98|3.97|
  
 +===== Clutch Gear Mainshaft Ball Bearing =====
  
- +1986-1990 Mainshaft Ball Bearing - Used on All Models ((86-90 HD Sportster Parts Catalog)) 
- +  * 9025A - Ball Bearing
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 ===== Final Drive (Trans to Wheel) ===== ===== Final Drive (Trans to Wheel) =====
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 ^Year^Domestic Model(s)^Transmission Sprocket^Rear Wheel Sprocket^Ratio^ ^Year^Domestic Model(s)^Transmission Sprocket^Rear Wheel Sprocket^Ratio^
 |1986-1990|All Models((1986-1990 HD Sportster FSM pg 6-1))|21 Teeth|48 Teeth|2.29:1| |1986-1990|All Models((1986-1990 HD Sportster FSM pg 6-1))|21 Teeth|48 Teeth|2.29:1|
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 ===== Fastener Torque Specs ===== ===== Fastener Torque Specs =====
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 |Mainshaft nut locking screw|50 - 60 in-lbs.| |Mainshaft nut locking screw|50 - 60 in-lbs.|
 |Mainshaft nut|35 - 65 ft-lbs.| |Mainshaft nut|35 - 65 ft-lbs.|
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     * Mainshaft fourth gear and second gear: .040 min. - .080 in. max.     * Mainshaft fourth gear and second gear: .040 min. - .080 in. max.
     * Mainshaft third gear and second gear: .040 min. - .080 in. max.     * Mainshaft third gear and second gear: .040 min. - .080 in. max.
 +
 ===== Countershaft Group ===== ===== Countershaft Group =====
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   * Countershaft end bearings: Retained needle roller bearings   * Countershaft end bearings: Retained needle roller bearings
   * Countershaft needle bearing journal diameter:   * Countershaft needle bearing journal diameter:
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     * Countershaft second gear and third gear: .040 - .080 in. max.     * Countershaft second gear and third gear: .040 - .080 in. max.
   * Countershaft end play: .004 - .015 in. max.   * Countershaft end play: .004 - .015 in. max.
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 ==== Countershaft Low Gear Changes ==== ==== Countershaft Low Gear Changes ====
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 ^Countershaft Low Gear -17T^Change Year^Model(s)^Notes^ ^Countershaft Low Gear -17T^Change Year^Model(s)^Notes^
 |35760-84A \\ Late 1984-1990 ((1979-1985 HD Sportster Parts Catalog pg 51)) ((1986-1990 HD Sportster Parts Catalog pg 37))|Late 1984| |35760-84A \\ Late 1984-1990 ((1979-1985 HD Sportster Parts Catalog pg 51)) ((1986-1990 HD Sportster Parts Catalog pg 37))|Late 1984|
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 ===== Discussion ===== ===== Discussion =====
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 1986-90 Evo Sportsters: What every owner should know but were afraid to ask\\ 1986-90 Evo Sportsters: What every owner should know but were afraid to ask\\
-An [[http://xlforum.net/vbportal/forums/showthread.php?t=1971026|__XLForum Thread__]] By Four Speed\\+An [[https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/183021-1986-90-evo-sportsters-what-every-owner-should-know-but-were-afraid-to-ask?t=1971026|__XLForum Thread__]] By Four Speed\\
  
  
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 [[:techtalk:menu|{{:techtalk:gototechnicalmenu.jpg|}}]] [[:techtalk:menu|{{:techtalk:gototechnicalmenu.jpg|}}]]
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Trace: • IH: Engine Mechanicals - Sub-04A