MOTUL Scooter Expert 4T motorolie - 10W40 x12 stock also making them less susceptible

also making them less susceptible to rattling or breaking

For safety they are twin overload valves to prevent exceeding capacity

3211 (125mm) see Bihr ref

and sound absorbing materials for a muffled sound

MOTUL Scooter Expert 4T motorolie - 10W40 x12 stock also making them less susceptible4 STROKE TECHNO SYNTHESIS Specially designed for scooters and maxi scooters. For cylinder capacities from 50cc to 650cc with or without catalytic converter. For all scooters used in urban areas. Lubricant fortified with synthetic base oil: provides improved lubrication. Provides perfect protection against wear and a longer service life. Standards: JASO MB API SL SM SJ