gearbox oil

[T.W.R]

There were other pics. This is one of them. Wikipedia suggests that the W1SS was built from 1968 and had twin mikunis

Petersen's Motorcycle year book show that's there were three models available for purchase in the US in 1968 W1, W2SS, & W2TT

[jellywrestler]

There were other pics. This is one of them. Wikipedia suggests that the W1SS was built from 1968 and had twin mikunis

more likely a later w2 with a w1 motor in it with w2 motor cover then maybe?