SB 912-057 extended TBO
Of Rotax SB-057 for extended TBO.
This consists of a new style plug, a shim, new spring and bullet head instead
Of 8mm ball. My oil pressure was 70psi.
I contacted Lockwood and they recommended removing the shim which
I did. Now oil pressure is normal. I don't
See the need for this SB.
Any comments Roger?
Bob Strakele
N854K
Rans S7S Rotax 912
270tt