When using Bell Scooter, which method is recommended? (1) Adding it while replacing with new engine or gear oil, or (2) Adding it to the current oil if it’s not degraded (removing excess if it exceeds the specified amount)?

Timing of use
(1) Adding while replacing with new oil
This is the most recommended method. Adding Bell Scooter to fresh oil ensures stable lubrication and maximizes its performance.

(2) Adding to the current oil
If the oil is not significantly degraded, it is fine to add Bell Scooter as long as the total volume remains within the manufacturer’s specified limit. If it exceeds the limit, remove an equivalent amount before adding.

Recommended approach
Ideally, add it when changing to new oil, but it can also be safely used with existing oil if the condition is good.