The connector takes 1/4" id hose, the fuel filter 3/6" id hose. I can send you a complete list if you want to assemble one yourself. Are likely to let you down and the reliable, high-quality parts. Outboard Fuel Line Problems. • Electrical circuit monitoring. The solenoid injection type choke Figure 6 requires no maintenance other than checking regularly for leaking fuel. Rather than sucking fuel from the tank, the dual line hose pumps air into the tank, pressurizing it to 4-7 PSI which forces fuel back to the motor.
Johnson Outboard Fuel Line Connector
Modern types of vehicles typically employ fuel lines that are made of plastic, usually nylon. From the fuel inlet to the filter, pump and finally the manifold, I used standard 3/8″ id fuel hose available at most auto parts store. Cockpit Gear & Accessories. Aftermarket Method: Seen below, I have done on this 1959 motor.
These have a hose barb that can allow the fuel pump to be mounted about anywhere, then connected to the source by a line. Secondly, as the throttle is advanced, the high circuit of the carb (controlled by vacuum condition) takes over automatically, and the fuel is routed through the high speed orifices (jets) to supply fuel/air mixture on demand. Head Gaskets Yanmar. Teak Treatments & Cleaners.
Johnson Outboard Fuel Line Size Chart Diagram
Hmm, I didn't see that liner in that first bit of hose that I saw. Wonder where it went? Cruising / Racing Clothing. That liner can delaminate from the outer hose and cause blockages. Steering & Control System. Fuel Tank Problems: Most OMC engines before about 1959 used a dual line fuel tank hose with no fuel pump. You will be disconnecting some hoses from the oil pump. Mercruiser Bravo II Stainless Steel. Here the finished fuel pump adapter||Here the fuel pump unit mounted on the motor|. Johnson outboard fuel line connector. If you need a PDF file? These internal pumps take the 25-35psi pressure fuel supplied by the fuel pump and re-pressurize it to extreme pressures, as much as 600psi on the e-Tec. Batteries & Accessories.
This fuel pump can be found at just about any go-cart shop. Oils Lubricants & Protection. Anything above that has to be a 3/8″ fuel line. Another thing to think about is the longevity of the engine. Hydraulic Steering Systems. Install the Fuel Lines.
Johnson Outboard Fuel Line Assembly
Shown here, the biteplate screws bolt into the existing holes of the bypass cover and two of the four fuel pump screws are tapped into the biteplate. For these fuel line/tanks to work, first you must understand the functioning of a 2 cycle engine. Tapped 10-24 holes on each end of the adapter to be used to mount the fuel. Where on diagram F + C. (Reference 5280580).
The brass fitting is used in fuel lines is either of the flared type or the compression type. When making potentially dangerous or financial decisions, always employ and consult appropriate professionals. You can breathe through a straw. Was the original hose from the hose connector to the fuel. On the older Johnson and Evinrude models (mine is 40hp), you'll find the port and mounts on the starboard side of the engine. Fuel System Hose Routing - BRP Evinrude E-Tec Series Service Manual [Page 183. Waterproofing / Sealin & Lubricants. Tap is in the centre of the pic. If starter motor ever fails, the manual valve can be opened for easy rope start choke needs. 12V Extension Cables. What year is the engine, What is the model number? Let's start at the VRO oil pump side.
Johnson Outboard Fuel Line Size
Hoses come with different US Coast Guard ratings; A1, A2, B1, and B2: - A1 Hoses: Are used for feeding fuel from the boat fuel tank to the fuel filter bracket or the engine. This vapor-return line is connected to a special outlet in the fuel pump. The inside diameter of the fuel delivery hose is generally larger (8 to 10 mm) and the fuel return hose is smaller (6 mm). Use only 93 octane or better fuel for best overall performance and internal carbon buildup prevention. You can leave those hoses connected as you will be re-using that manifold. Fuel lift pump (2 to 8 psi). The eTec's fuel system starts out quite similar to other motors on the market, including Optimax and 4-stroke product. I'll revert back to an OEM style filter should I have any issues with this one but I think this filter will work out fine. Turns out, these new hoses have a "non-permeable liner. Johnson outboard fuel line assembly. AKA Below Deck Rating. Bottom line, however: carry replacement fuel hose and hose clamps! Sinks, Taps & Galley Pumps. The original fuel lines on this 1988 Johnson 40HP outboard has some real odd ball sizes.
If all looks ok, next run a quick compression check on the the cylinder that controls the fuel pump. Does it really matter? The process for making this conversion is fairly simple, especially if you already have your carburetor removed for tune up. Ensure that they continue to offer the most comprehensive range of cost effective OMC / Johnson aftermarket marine products. Link to Brass Parts.
Johnson Outboard Fuel Line Diagram Video
They have a fire-resistant covering on the outside. Sort by Price: High to Low. Going back to the straw theory, having the correct fuel line installed will help ensure the proper fuel consumption for the engine. That way, you won't get caught out with inferior parts that could leave you stranded out on the water. Windscreen Wiper Blades. Johnson outboard fuel line diagram video. Finding the parts to do this was relatively easy (Amazon). Hi AllanI have just sold a 4hp Johnson which I used with an external tank on the back of my previous boat.
Navigation Lights, All Around Lights & Accessories. You should read this for a detailed description of What Exactly Is An Outboard Powerhead! ) Radar, AIS & Autopilots. Only had to make one hose connector / splicer to go. I wanted to replace all of my fuel lines when doing this so had to disconnect the hoses from the manifold. They aren't designed to have fuel sitting in the hose but do have a fire-resistant covering on the outside of the hose. Replace a Johnson Evinrude VRO Oil Pump with a Standard Fuel Pump. The fuel is then injected into the cylinders at as much as 600psi. If you do not hear the solenoid "click", check to make sure that proper voltage is being supplied.
Teflon tape is generally not recommended for fuel lines. In Toronto, Ontario, Canada, for example, you can see from their website that, not only do they ship marine parts, they also.