Previous have highlighted knowledge transfer behaviour (KTB) for an increase organization performance, however an obstacle from the perspective among staffs still exists. The problem is still difficult because staffs will not share their knowledge as they thinking their knowledge is important. This paper investigated factors of staffs motivational that influence KTB among staffs in Riau Province of Indonesia. The survey 400 respondents were used, 325 were returned, and 75 were not returned. Likert and smart PLS to confirmation the conceptual model. This paper conclude factors that reward, trust, and an enjoyment helping colleagues of staffs motivation are factors which influencing the KTB. The results and conclusions are discussed.