ENGINE UNIT


  1. CONSTRUCTION


    1. The chain sub-assembly (primary) and No. 2 chain sub-assemblies (secondary) are roller chains with a pitch of 9.525 mm (0.375 in.).

    2. All chain sub-assemblies are lubricated by an oil jet.

    3. A chain tensioner assemblies is provided for each primary and secondary chain sub-assemblies in each bank.

    4. Both types of chain tensioner assemblies use a spring and oil pressure to maintain proper chain tension at all times. They suppress noise generated by the chain sub-assemblies.

    5. The chain tensioner assembly (primary) is a ratchet type with a non-return mechanism.

      A01MQYFC01
      *1 No. 2 Chain Tensioner Assembly (Secondary RH) *2 Ball
      *3 Main Spring *4 Plunger
      *5 Ball Spring *6 No. 1 Chain Tensioner Assembly (Primary)
      *7 Spring *8 Cam Spring
      *9 Cam *10 Idle Sprocket Assembly
      *11 No. 2 Chain Vibration Damper *12 No. 2 Chain Sub-assembly (Secondary)
      *13 Chain Tensioner Slipper *14 No. 1 Chain Vibration Damper
      *15 Chain Sub-assembly (Primary) *16 No. 3 Chain Tensioner Assembly (Secondary LH)