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
1978 KZ650B2 Injected Drag 831cc
1980 Z1 Custom Frame Drag 1327cc
1981 Z50R Honda tow bike
The following user(s) said Thank You: MLMG
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