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J.R. Buchanan

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Timing chain measurements

Timing chain measurements from BMW R75/5 double row timing chain.

All dimensions in inches.


     ||
  -->||<--0.248       50 rollers
     ||
     ||                           0.232
 #######  ##########  #######       |
    ##########  ########## ,,,,,,,,,V,,
     []    []    []    []
     []    []    []    []
    ##########  ########## ''''''''''''
 #######  ##########  #######       ^
    ##########  ##########          |
     []    []    []    []               0.050 (single plate)
     []    []    []    []                 |
    ##########  ##########                V
 #######  ##########  #######'''''''''''''''
      |     |                '''''''''''''''
   -->|     |<---0.373                    ^
                                          |

50 rollers, roller diameter 0.248
Roller length 0.232
Distance between roller centers 0.373
Plate thickness 0.050