1. Impamvu yimpeta ya piston
(1) Imiterere yibikoresho bya piston ntabwo yujuje ibyangombwa bya tekiniki, kandi ishyirahamwe rirekuye.
(2) Ubukomezi bwimpeta ya piston ni buke kandi ntibujuje ibisabwa.
(3) Ubushyuhe bwumuriro bwimpeta ya piston burakennye, kandi imiterere yicyuma irahinduka cyane.

2. Impamvu za silinderi
(1) Diameter y'imbere ya silinderi ntabwo yujuje ibisabwa kandi ni nini cyane cyangwa nto cyane.
.
.

3. Ibindi bikoresho
.
(2) Guhitamo nabi guhitamo guterana.

4. Ubwiza bwa peteroli
(1) Ubwiza bwamavuta.
.

5. Gusana
(1) Mugihe cyo gusana, isuku ntabwo ihagije, kandi hariho umwanda nkumucanga cyangwa icyuma muri silinderi.
(2) Guhitamo nabi impeta ya piston cyangwa ubunini bwa piston.
.

6. Koresha
(1) Ubushyuhe bwa moteri ntibisanzwe, hejuru cyane cyangwa hasi cyane bizongera kwambara ibice byimashini.