| 21. | The 1750 TBi gasoline and 16V Multijet diesel engines feature hydraulic tappets with roller rocker arms.
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| 22. | The new cylinder heads also featured stud-mounted rocker arms, a change from the shaft-mounted LA arms.
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| 23. | From 1991, the GSF400V received variable inlet timing via solenoid-controlled rocker arm engaging with supplementary cams.
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| 24. | Each exhaust valve on the J37A4 corresponds to one primary and one secondary exhaust rocker arm.
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| 25. | The intake and exhaust rocker shafts contain primary and secondary intake and exhaust rocker arms, respectively.
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| 26. | The rocker arm oil supply pipe was steel, and would fracture from vibration ( later improved ).
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| 27. | A user would place his feet on the pedals and swing the rocker arms back and forth.
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| 28. | Therefore, there are a total of twelve primary exhaust rocker arms and twelve secondary exhaust rocker arms.
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| 29. | When a cylinder is deactivated, solenoid-controlled oil pressure releases a locking pin between the two rocker arms.
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| 30. | Therefore, there are a total of twelve primary exhaust rocker arms and twelve secondary exhaust rocker arms.
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