The country's premier batsman came to the wicket with his side in a spot of bother at 13 for two but regrouped well with Maurice Ouma to gain the ascendancy.
Tikolo, raised a significant third-wicket stand of 151 with Maurice Ouma as the pair went about staging a major recovery operation and negated all Namibian plans of making further inroads.
Tikolo made 86 from 118 deliveries before he fell to Kola Burger, who was the best of the Namibian bowlers on view, finishing with returns of three for 35.
Ouma made a stroke-filled 63.
Collins Obuya provided a late flourish to the innings with a 88-ball 53. His innings was interspersed with 11 crunching boundaries.
Tikolo declare the innings with an hour left on the first evening.
Namibian openers Stefan Swanepoel and JB Burger gave the side a steady start, looking at ease against the Kenyan attack.
Swanepoel was more enterprising of the two as he rattled off a breezy 39 before being dismissed by Kenyan captain Tikolo on a day in which he could do little wrong after his batting exploits earlier in the day.
Brief Scores: Kenya 300/6. Namibia 72 for 1.