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techtalk:ih:carb01e [2020/05/10 18:38]
hippysmack [Tillotson Carb Identification]
techtalk:ih:carb01e [2023/12/05 04:40]
hippysmack [Tillotson Carbs by Serial/Model Number]
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 |Model ​ HD-1A \\ Model HD-1B|Pre-1966 XLCH \\ 1966-later XLCH| |Model ​ HD-1A \\ Model HD-1B|Pre-1966 XLCH \\ 1966-later XLCH|
 |27162-66B((Shop Dope Vol 4 Service Bulletin No 571 May 21, 1968)) \\ HD - 1BC \\ HD - 1C|Late '68 Sportsters (new check ball valve added to the accel pump passage)) ((Shop Dope Vol 4 Service Bulletin No 571 May 21, 1968)) | |27162-66B((Shop Dope Vol 4 Service Bulletin No 571 May 21, 1968)) \\ HD - 1BC \\ HD - 1C|Late '68 Sportsters (new check ball valve added to the accel pump passage)) ((Shop Dope Vol 4 Service Bulletin No 571 May 21, 1968)) |
-|27155-66RA| (XLR) (27823-66R)|  +|27155-66RA ​\\ HD5A900 (XLR) (27823-66R)|  
-|27155-70R| (XR) (27823-66R)| +|27155-70R ​\\ HD5A750 (XR) (27823-66R)|
- +
  
 Early 66 (1966 model), HD1A: diaphragm lever and fuel valve without fork. Fuel valve brought down by gravity only. ((thefrenchowl of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=640864&​page=2)) \\ Early 66 (1966 model), HD1A: diaphragm lever and fuel valve without fork. Fuel valve brought down by gravity only. ((thefrenchowl of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=640864&​page=2)) \\
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 {{:​techtalk:​ih:​carb:​tillotson_hd1c_d_pic_3_by_simeli.jpg?​direct&​300|}} ((photo by simeli of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1567534&​page=4)) {{:​techtalk:​ih:​carb:​tillotson_hd1c_d_pic_1_by_simeli.jpg?​direct&​300|}} ((photo by simeli of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1567534&​page=4)) {{:​techtalk:​ih:​carb:​tillotson_hd1c_d_pic_2_by_simeli.jpg?​direct&​300|}} ((photo by simeli of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1567534&​page=4)) \\ {{:​techtalk:​ih:​carb:​tillotson_hd1c_d_pic_3_by_simeli.jpg?​direct&​300|}} ((photo by simeli of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1567534&​page=4)) {{:​techtalk:​ih:​carb:​tillotson_hd1c_d_pic_1_by_simeli.jpg?​direct&​300|}} ((photo by simeli of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1567534&​page=4)) {{:​techtalk:​ih:​carb:​tillotson_hd1c_d_pic_2_by_simeli.jpg?​direct&​300|}} ((photo by simeli of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1567534&​page=4)) \\
 ===== Tillotson HD1D ===== ===== Tillotson HD1D =====
- 
 HD1D from a 1971 XLCH: \\ HD1D from a 1971 XLCH: \\
- 
  
 {{:​techtalk:​ih:​carb:​tillotson_hd1d_pic_1_by_the_doctor71.jpg?​direct&​200|}} ((Pic courtesy of The Doctor71 of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1786621&​page=2)) {{:​techtalk:​ih:​carb:​tillotson_hd1d_pic_9_by_the_doctor71.jpg?​direct&​200|}} ((Pic courtesy of The Doctor71 of the XLFORUM)){{:​techtalk:​ih:​carb:​tillotson_hd1d_pic_12_by_the_doctor71.jpg?​direct&​200|}} ((Pic courtesy of The Doctor71 of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1786621&​page=2)) \\ {{:​techtalk:​ih:​carb:​tillotson_hd1d_pic_1_by_the_doctor71.jpg?​direct&​200|}} ((Pic courtesy of The Doctor71 of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1786621&​page=2)) {{:​techtalk:​ih:​carb:​tillotson_hd1d_pic_9_by_the_doctor71.jpg?​direct&​200|}} ((Pic courtesy of The Doctor71 of the XLFORUM)){{:​techtalk:​ih:​carb:​tillotson_hd1d_pic_12_by_the_doctor71.jpg?​direct&​200|}} ((Pic courtesy of The Doctor71 of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1786621&​page=2)) \\
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 {{:​techtalk:​ih:​carb:​tillotson_hd1d_pic_2_by_the_doctor71.jpg?​direct&​250|}} ((Pic courtesy of The Doctor71 of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1786621&​page=2)) {{:​techtalk:​ih:​carb:​tillotson_hd1d_pic_7_by_the_doctor71.jpg?​direct&​250|}} ((Pic courtesy of The Doctor71 of the XLFORUM)){{:​techtalk:​ih:​carb:​tillotson_hd1d_pic_8_by_the_doctor71.jpg?​direct&​250|}} ((Pic courtesy of The Doctor71 of the XLFORUM)) \\ {{:​techtalk:​ih:​carb:​tillotson_hd1d_pic_2_by_the_doctor71.jpg?​direct&​250|}} ((Pic courtesy of The Doctor71 of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1786621&​page=2)) {{:​techtalk:​ih:​carb:​tillotson_hd1d_pic_7_by_the_doctor71.jpg?​direct&​250|}} ((Pic courtesy of The Doctor71 of the XLFORUM)){{:​techtalk:​ih:​carb:​tillotson_hd1d_pic_8_by_the_doctor71.jpg?​direct&​250|}} ((Pic courtesy of The Doctor71 of the XLFORUM)) \\
  
 +===== Tillotson HD5A =====
 +HD5A's are racing carbs used on KR, XR, XLR and other race bikes. \\
 +It has no accelerator pump and a metal diaphragm bottom cover. ((Ferrous Head of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=44897&​highlight=hd5a&​page=30)) \\
 +
 +Click on any pic below to enlarge: Photos courtesy of Robert Evans. \\
 +
 +{{:​techtalk:​ih:​carb:​1969_tillotson_hd5a_carburetor_pic1_by_robert_evans.jpg?​direct&​300|}} {{:​techtalk:​ih:​carb:​1969_tillotson_hd5a_carburetor_pic2_by_robert_evans.jpg?​direct&​300|}} {{:​techtalk:​ih:​carb:​1969_tillotson_hd5a_carburetor_pic3_by_robert_evans.jpg?​direct&​300|}} \\
 +
 +{{:​techtalk:​ih:​carb:​1969_tillotson_hd5a_carburetor_pic4_by_robert_evans.jpg?​direct&​300|}} {{:​techtalk:​ih:​carb:​1969_tillotson_hd5a_carburetor_pic5_by_robert_evans.jpg?​direct&​300|}} {{:​techtalk:​ih:​carb:​1969_tillotson_hd5a_carburetor_pic6_by_robert_evans.jpg?​direct&​300|}} \\
  
 +{{:​techtalk:​ih:​carb:​1969_tillotson_hd5a_carburetor_pic7_by_robert_evans.jpg?​direct&​300|}} {{:​techtalk:​ih:​carb:​1969_tillotson_hd5a_carburetor_pic8_by_robert_evans.jpg?​direct&​300|}} {{:​techtalk:​ih:​carb:​1969_tillotson_hd5a_carburetor_pic9_by_robert_evans.jpg?​direct&​300|}} \\
  
 +{{:​techtalk:​ih:​carb:​1969_tillotson_hd5a_carburetor_pic10_by_robert_evans.jpg?​direct&​300|}} {{:​techtalk:​ih:​carb:​1969_tillotson_hd5a_carburetor_pic11_by_robert_evans.jpg?​direct&​300|}} {{:​techtalk:​ih:​carb:​1969_tillotson_hd5a_carburetor_pic12_by_robert_evans.jpg?​direct&​300|}} \\
 ===== Andrews Super 45 ===== ===== Andrews Super 45 =====
 The Andrews Super 45 is basically a Tillotson bored out to 45mm with a 45mm butterfly in it. ((Hopper of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=399267)) \\ The Andrews Super 45 is basically a Tillotson bored out to 45mm with a 45mm butterfly in it. ((Hopper of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=399267)) \\