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Balancer Installation

Special Tools

    • EN-50430 Balance Shaft Module Locking Pin
    • EN-50431 BSM Backlash Measure Adaptor

For equivalent regional tools, refer to Special Tools .

  1. Set the piston of cylinder #1 to TDC of combustion stroke.

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  3. Install the EN-50430 locking pin (1) and lock the gear of the balance shaft module (2)

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  5. Install the balance shaft module (2) to the lower crankcase.
  6. Note: Install the balance shaft module retaining bolts in a cross sequence.

  7. Install 4 balance shaft module retaining bolts (1). Tighten the bolts (1) only to the extent to which the balance shaft module (2) is still sliding on the lower crankcase.
  8. Remove the EN-50430 locking pin .

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  10. Install the dial gauge (1) on the balance shaft module intake side centre.
  11. Push the balance shaft module (2) from intake side to exhaust side (zero backlash).

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  13. Set the driver (1) into the exhaust side as shown in the graphic and push the balance shaft module (2) 1.1 mm to the intake side.
  14. Caution: Refer to Fastener Caution in the Preface section.


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  15. Install and tighten balance shaft module retaining bolts (1) in cross sequence.
  16. Tighten
    First Pass: 20 N·m (14.7 lb ft)

  17. Check the balance shaft module backlash specifications (0.046-0.128 mm). Refer to Balancer Cleaning and Inspection .
  18. Tighten
    Final Pass: 50 N·m + 90° (36.8 lb ft + 90°)

   


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