See also:

Air cleaner element
Do not operate the engine with the air cleaner element removed. The air cleaner element not only filters intake air but also stops flames if the engine backfires. If the air cleaner elem ...

Center ventilators
Center ventilators Move the tab to adjust the flow direction. ...

Recommended clutch fluid
Refer to “Fluids”. Never use different brands of clutch fluid together. Also, avoid mixing DOT 3 and DOT 4 brake fluids even if they are the same brand. ...