This will be the high-performance engine oil brand's 30th anniversary of trading.
Spaniards Alex Espargaro and Maverick Vinales will be the main two drivers for the Suzuki team.
Suzuki's director and senior managing officer Eiji Mochizuki confirmed the sponsorship.
"Through high-level competition, we will sharpen up our technologies, and aggressively feed them back to our production models and interact with Suzuki customers all over the world," he said.
The MotoGP season starts on March 29 in Qatar.