Sinnis: Akuma AKUMA, Hoodlum 125 ZS125-79H, RSX 125 ZS125-80, Terrain 125 ZS125-86. Mitt: MITT 125 GP MITT125GP. Size: M6 x 105mm. The bolt tightening force is an important factor for the mutual sealing of combustion chamber, lubricant and coolant channels, and the ambient air.