1978 43 DC with 6-71 and twi disc mg506 transmissions. In idle, Trans oil pressure shows 300 psi but shift into gear and pressure drops to near zero. Prop does turn when in gear. Saw previous posts about pressure relief spring in selector valve but I don't have parts diagram or disassembly instructions. Any suggestions or help would be appreciated.
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Thread: Twindisc mg506 issue
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08-07-2023 02:49 PM #1Registered Member
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Twindisc mg506 issue