Recommended oil for Rotax rotors?

bkessler · by **bkessler** » 2024-10-10 12:59 p.m.

I’m wondering what folks find works best for their Rotax rotors. Recommendations?

harrisonreed · by **harrisonreed** » 2024-10-10 1:05 p.m.

Ultrapure light

Bonearzt · by **Bonearzt** » 2024-10-10 5:23 p.m.

Actually need two...

A thin "piston" oil for the rotor body dropped into the slide receiver

I use either Al Cass or a similar oil from Players Products

and a thicker oil for the spindle placed under the stop arm,

Hetman 13 or similar

bkessler · by **bkessler** » 2024-10-13 12:11 p.m.

Thank you both!

harrisonreed · by **harrisonreed** » 2024-10-13 1:38 p.m.

And a third type, ball joint, is helpful in keeping the all joints from wearing and going clickety clack.

I use the hetmans ball joint (15 I think) for that, and then ultrapure light for the core and ultrapure bearing/linkage for the stop arm and bearing plate hole.

mrdeacon · by **mrdeacon** » 2024-10-13 2:49 p.m.

[quote="harrisonreed"]Ultrapure light[/quote]
I switched to Ultrapure after Hetman became so difficult to find. Works great on my Hagmann valves and Olsen rotors.

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Recommended oil for Rotax rotors?