1. Injin Mota:

Camshaft, crankshaft timing pulley, famfo na ruwa, famfo famfo mai, manyan ginshiƙai da tuƙi, manyan ƙwanƙwasa da tuƙai, cams, iyakoki, hannaye na rocker, bushes, faranti na turawa, jagorar bawul, ci da kujerun shaye-shaye, Akwatin gear mota

2. Daban-daban masu girma da ƙananan gudu masu daidaita kayan aiki tare da abubuwan haɗin gwiwa, clutch gears, cams, camshafts, sliders, levers, bushings, tubalan jagora, zoben aiki tare, sassan babur;

3. Gishiri da aka gyara, sprockets, fara claws, rattchets, tauraron taurari, gears biyu, kayan taimako, kayan watsawa, sandunan turawa, cams, bushings, bearings mai zamewa, hannayen riga, fayafai masu tuƙi, ci gaba wurin zama Valve, mota, babur mai mai famfo;

4. Daban-daban famfo famfo gears, daban-daban mai famfo rotors, cam zobe, mota da kuma babur girgiza absorbers, daban-daban pistons, kasa bawul kujeru, jagora kujeru, kwampreso pistons, Silinda tubalan, Silinda shugabannin, bawul faranti, Seling zobba, daban-daban shaft hannayen riga, rotors, kayan aikin noma bearings kayan aikin noma, da sauransu: kayan rarraba kayan aiki, gears na duniya, faranti na kayan ciki, kayan haɗin ciki, nau'ikan kwayayen bakin karfe iri-iri da sandunan maganadisu.

Daga karuwar adadin motoci da babura a cikin dukkan sassan karafa na foda, ana iya ganin cewa kayan aikin karfen foda suna cikin matsayi mai saurin girma a cikin sassan karfen foda.