914 RPM drop at 60% Throttle

by Capt. Siva, in 912 / 914 Technical Questions 7 years ago

914 during Ground run , initial start ok, idle RPM 2300 found ok. Fuel 100 LL.
After problems faced left carburettor over flooding that float found 7.1 gram , replaced.
Now at 60 % throttle, RPM sudden drop from 3900 rpm to 3250
.
Heavy vibrantion found.
Kindly suggest the next solutions please.

Re: 914 RPM drop at 60% Throttle

by Rob Seaton » 7 years ago

Rob Seaton

3 1.32k 251

did you install new float bowl gaskets? you probably have an air leak at the gasket.

Thank you said by: Capt. Siva,

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Re: 914 RPM drop at 60% Throttle

by Capt. Siva, » 7 years ago

Capt. Siva,

25 266 738

yes, the problem solved.
we found that bowl nut was over tighten. recommend torque 5.5Nm.
after change of old nut and proper torque, the problem solved.

Thank you said by: RotaxOwner Admin

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Re: 914 RPM drop at 60% Throttle

by Naveed » 7 years ago

Naveed

6 21 19

I think recommended torque value is 5 NM

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