Hi, on my 1991 9.9 remote engine, the carb cam follower was wraped by a clear plastic sleeve, and yesterday, the sleeve broke leaving only the black roller, now the link/sync is desynchrinised, my question is, can I re-synchronise without, that ring/sleeve, or I need a new $25 roller cam follower? That part seems different on that specific remote 9.9 engine, I have another 1991 9.9 tiller and no clear sleeve on the roller, any idea why?