YAMAHA chose them as Original Equipment fortheir MT07 model

Hour Meter

The BS-Battery SLA series offers updated versions of current batteries to replace traditional lead-acid batteries

such as SoundBomb™

0002" surface buildup to improve wear properties and reduce friction

WOSSNER PSTN KT YAM YZ450F STD A 8949DA mbk-booster-track-50-1996-esi5225870 YAMAHA chose them as OriginalEnhanced Piston Pin Oiling Slots, Radial Boss Machining, and Annoular Grooves For Improved Wrist Pin Lubrication, Lightweight Piston With A Tight Piston Wall Clearance For A Quiets Running Engine, Skirt Coated for Reduction and Impriction and Improvd Seal and Oil Control, Double Bridged Forging Design Where Noted, Kit Includes Piston, Rings, Wrist Pin and Pin Locks