It has been over five years since Hydrospace introduced the S4 in the pwc market however there were not many tech spec revealed by tuners or repair shops regarding the Weber MPE-750 engine. Therefore, we asked the best in gives us a detail list of dos and donts for all those S4 owners. Randy Jungwirth of Weberpower.com along with a close associate of his explore us to the safe operations and periodic maintenance of the Weber engine. Read the exclusive story published on Features section.
