Re: Oil Still Too Cool Even With Cover
by Craig E Maiman » one year ago
I believe I have a thermostat. See the photo.
Despite that, I still have cold oil...
Re: Oil Still Too Cool Even With Cover
by Garrett Wysocki » one year ago
I would test it then. With it out of the system using a hot and cold liquid you should be able to see if the thermostat is moving/working. It may be stuck and or needing replacement. Maybe the manufacture has a test procedure. If it was working properly you won't need to use tape.
Re: Oil Still Too Cool Even With Cover
by Garrett Wysocki » one year ago
Verify the oil temperature gauge is accurate/reading correctly.
Re: Oil Still Too Cool Even With Cover
by Craig E Maiman » one year ago
Is there an "easy" way to do that? Taking off the thermostat is kind of a last resort.
Re: Oil Still Too Cool Even With Cover
by Rotax-Owner » one year ago
First, let's establish the temperatures you are indicating and compare them with the Rotax operator's manual. People often cite "Yellow", "Green", and "Red" without connecting them to the actual numbers.
https://www.rotax-owner.com/pdf/OM_912_Series_ED4_R0.pdf
The Rotax operators manual provides the following temp limits for Oil.
Max. 130 °C (266 °F)
Normal operating temperature: approx 90 to 110 °C (190-230 °F)
Min. 50 °C (120 °F)
Warming up period Step Procedure:
1 Start warming up period at approx. 2000 rpm for approx. 2 minutes.
2 Continue at 2500 rpm, duration depending on ambient temperature until the oil temperature reaches 50 °C (120 ° F).
3 Check temperatures and pressure
3.7) Cruising
Oil temperature
Avoid operation below normal operation oil temperature (90 to 110 °C / 194 to 230 °F), as possible formation of condensation water in the lubrication system badly influences the oil quality. To evaporate possibly accumulated condensation water, at least once a day 100 °C (212 °F) oil temperature must be reached
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