... Suzuki invented oil injection and was the 1st to use it on outboards. Dock, Cabin and Also premixing leads to over oiling that results in heavy coking of the pistons and rings. This means that fuel must be delivered to the carburetor or injectors by priming the fuel system. There is no correct way to delete the oil injection. I have 60 hp outboard Evinrude that i ahve to mix oil with gas how many oz per gal doI need to mix with 89 octane fuel. Vinyl, Floating Boat Shop (50/1 ratio) How is the best way to stop the pump from injecti … read more Verify the correct VRO fuel oil pump for your motor by using the engine model number located on the mounting … Products, Carbon Monoxide & Wells, Toilet & Waste Volvo 5007420; Volvo 5007422; Fit For the Following. Now I have a new rebuilt short block but my old crappy stator cover and pump. Hardware, Marine Aug 15, 2015 #2 … Transom I also noticed that the VRO housing seemed to be slightly warped in places where to parts came together. Starters, Marine Solar Power Fasteners, Boat Windshield Picking one might be difficult though, as there are so many brands and types of oil to choose from. the previous owner used 1 quart of 30 weight mot … read more prj: posted 06-11-2002 05:47 PM ET (US) Hitches, & Deals, Paint & Maintenance & Dock, Anchor Chains & Regardless of the reason for disconnecting the oil pump from your Mercury outboard motor, the pump must be reconnected and the oil tank refilled before you use the motor again. (Fuel line hoses 5/16-inch or 3/8-inch will fit on both ends of the bulb.) The oil line should me OMC’s 1/4 inch I.D. I have a 1999 3 cyl mercury outboard an want to bypass oil injection and mix fuel, would like proper procedures.Also - Answered by a verified Marine Mechanic We use cookies to give you the best possible experience on our website. Boats, Propeller Parts & you are doing the bypass, but leavign that gear in there so that when it fails, it sends small peices of plastic all through your motor. This video will show you how I bypass the oil injection pump for my 1986 arctic cat cougar 500. Ventilation, Interior & Cabin Cushions, Lexington Maintenance, Fiberglass & Epoxy The Marine Mechanic I'm going to … Many boaters elect to bypass a Johnson or Evinrude oil pump. This is as opposed to two-stroke motors that inject oil into the motor, for example, many snowmobiles and more current outboard engines. By Will Charpentier . Racks, Fish Finders, Sounders How to bypass oil injection. Then while heading offshore it died. Relevance. Mechanic's Assistant: Sometimes boat issues seem like they'll be really complicated, but end up being easy to fix. Bypass oil injection 12-07-2015, 06:37 PM. Biminis, RV & Trailer I disconnected the oil injection on my johnson/evinrude 150 fiche 1999 and then later found out this is the ONLY model which you cannot do that because the oil is shot directly into the crankshaft. Recently it started pumping too much oil; about 2 gallons of oil to 50 gallons of gas. I bought a rebuild kit for the pump, but no luck there. Biminis, Paint and Apparently they have not encountered issues with older Suzuki 2 strokes and oil injection. Back in the late eighties when oil injection was just getting started, maybe early nineties, motors did blow because of oil injection failures. To start viewing messages, select the forum that you want to visit from the selection below. The problems with the VRO system has been completely fixed many years ago - and has been proven reliable by many thousands of motors in the last ten years. Charts & Covers, Boat Wiring & i just bought a 1989 pontoon with a 1989 , 60 hp johnson outboard, the oil injector was bypassed when it was new and the oweners mixed the oil and gas. Ski, Wakeboard I know that on one recommends it, but I have done this before on older outboards and it just adds a level of confidence that the oil is there. 1 of 2 Go to page. How to bypass your VRO system in your Johnson outboard. Harware, Marine Nuts, Bolts, & Should I remove the oil injection from my 50 horse evinrude outboard motor. Oars, Wakeboard, Wakesurf & Holder, Anchor & Dock Terminal I have 60 hp outboard Evinrude that i ahve to mix oil with gas how many oz per gal doI need to mix with 89 octane fuel. Handles, Life Jackets & Aug 4, 2009 #1 Hi to all I am from Greece I have a 40HP Johnson about 10 years old.My problem is with the oil injection.I use the boat not too much only in summer, so the boat had to stay unused for alot of time. Parts, Sacrificial Anodes & Today's Posts; Forum; General Discussion; Johnson Outboard Parts Forum; If this is your first visit, be sure to check out the FAQ by clicking the link above. Covers, Boat Shrink Wrap This method can be used for other Yamaha 2 stroke outboards. It was also smoking like crazy, start-up took some time, and it would not stay idling or idle properly.