Go for 5ft lbs, I never torque these small bolts, always done by feel, hand tight then an eighth of a turn
yup, I think it must be 5 or 6 ft-ibs.
Clymer gives
6mm bolt, nut 6-9 ft-ibs
A cb500T manual gives
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And another manual? gives
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These bolts are internal to the engine, so once done they cannot be re-visited.
The Suzuki re5 engine rebuild seems to give torque settings for just about everything. Small or large bolts.
Back then, nobody was thinking 50 years ahead.....