Acerbis X-Power Engine Protection Suzuki DR-Z4S Old Upload The API SM standard is

The API SM standard is fully backward compatible over API SL standard and all former API standards

Better distribution over surfaces

(MPN): C4065-16ZZ0

The Bullet Proof Designs radiator cap tool makes it much more manageable

Acerbis X-Power Engine Protection Suzuki DR-Z4S Old Upload The API SM standard isThe Acerbis X Power Engine Guard helps shield the lateral areas of the engine that could accidentally strike obstacles or be hit by debris, while also limiting abrasion from contact with sand, debris, and continuous rubbing against boots. The X Power protects the clutch cover, water pump, engine case, and ignition. Its functional design makes it integrated and form fitting to the motorcycle so as not to interfere with boots or the use of the brake and