To keep inner tubes in good condition, lubrication and cleaning are the best approach.
The fluid was showing some wear. It’s surprising that a recent model doesn’t have a check valve plate.
It’s clean, though dark in the photo.
The slight oil residue is seeping from the head cover gasket.
Before it gets hot next year, let’s replace the coolant and cap.
The synchronization was off. The Keihin carburettor sync spring tension is quite stiff, which feels good.
The air cleaner is clean. The engine oil is Newtech. After a test ride, we’re done.
