On my most recent rebuild I used Rotella T4 with some Lucas TB Zinc Plus additive.
Once I figured the rings were seated (250 miles) I swapped out the oil for some Shell Advance 15W40 Ultra 4T Synthetic motorcycle oil.
I found the engine runs a little cooler using the new oil.
1978 KZ650B2 w 1197cc Z1 engine
1977 KZ650B1 w 750cc Spectre engine
1979 KZ650C3 w 831cc Hot Rod engine
1978 KZ650C2 w 762cc DFI project
1977 KZ650C1 stock restoration project
1978 KZ650B2 modified project
The following user(s) said Thank You: MLMG
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