The 50 hp suzuki i have on my novi skiff has been well maintained, always winterized, oil changed every 100 hrs, water/fuel seperator, and i always added fuel stabalizer to gas. Last year when in reverse the engine would make sort of a thump every few seconds especially when i backed it down hard. A friend mentioned the reverse dog probaly is rounded off.I continued to run and was sure to check the lower unit oil for metal filings which i did not see. Now the reverse it totaly gone. The boat slips when in reverse and grinds so i have not been using reverse. Would like to get my reverse back any comments or thought would be greatly appreciated. Thanks