General ROTAX Torque specs for the ROTAX 900 series engines can be found in the ROTAX maintenance manual (HEAVY) section 10)Maintenance, subsection 10.2) Tightening torques.
Click on link to find the ROTAX maintenance manual (HEAVY) https://www.rotax-owner.com/en/support-topmenu/engine-manuals#912-series-engines.
In general, all screw connections on ROTAX engines must be tightened using a torque wrench.
If not specified otherwise for a component, tighten screw connections to the following torque:
M4 : 4 Nm (35 in.lb)
M5 : 6 Nm (55 in.lb)
M6 : 10 Nm (90 in.lb)
M8 : 24 Nm (17.7 ft.lb)
M10 : 35 Nm (25.8 ft.
A specific torque may be required on certain bolts and fasteners, therefore it is VERY important you have the most latest Maintenance manual in front of you while you are doing the work. This will ensure the proper instructions are followed as per ROTAX requirements.
b)
Click on link to find the ROTAX maintenance manual (HEAVY) https://www.rotax-owner.com/en/support-topmenu/engine-manuals#912-series-engines.
In general, all screw connections on ROTAX engines must be tightened using a torque wrench.
If not specified otherwise for a component, tighten screw connections to the following torque:
M4 : 4 Nm (35 in.lb)
M5 : 6 Nm (55 in.lb)
M6 : 10 Nm (90 in.lb)
M8 : 24 Nm (17.7 ft.lb)
M10 : 35 Nm (25.8 ft.
A specific torque may be required on certain bolts and fasteners, therefore it is VERY important you have the most latest Maintenance manual in front of you while you are doing the work. This will ensure the proper instructions are followed as per ROTAX requirements.
b)
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