Page 90 - 2019 SHOP MANUAL CRF1000/A/D
P. 90

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      MAINTENANCE
      VALVE CLEARANCE


                       • Inspect and adjust the  valve  clearance while the
                        engine is cold (below 35°/95°F).
                      Remove the cylinder head cover (page 10-4).
                                                                                     [1]
                      Remove the crankshaft hole cap [1] and the timing hole
                      cap [2].












                                                                                              [2]
                      Rotate the crankshaft counterclockwise and  align the
                      "T1" mark [1] on the flywheel with the index mark [2] on  [4]
                      the alternator cover.
                      Make sure that the index lines [3] on the cam sprocket
                      align with the upper surface of the cylinder head and
                      the punch mark [4] on the sprocket is visible.
                                                                                                  [1]      [2]






                                                                                        [3]

                      Check the No.1 cylinder intake valve clearances  by
                      inserting a feeler gauge [1] between the valve lifter and  [1]
                      cam lobe.
                      No.1 cylinder intake valve clearance:
                        0.16 ± 0.03 mm (0.006 ± 0.001 in)
                      Adjust the valve clearance by changing the valve lifter
                      shim (page 3-10).








                      Rotate the crankshaft counterclockwise 270° and align
                      the "T2" mark [1] with the index mark [2].
                      Make sure that the punch mark [3] on the cam sprocket
                      align with  the upper  surface  of the cylinder head as
                      shown.


                                                                                                   [1]     [2]





                                                                                          [3]



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