Parts, Wash Down Protection, Ladders, Steps, & My Yamaha is a 1999 and I've never had a problem with the Prime Start and I have the impression they're pretty trouble-free. I have the fast idle lever down. So I decided to replace all gaskets and check valves and prime start assembly. Plumbing, Fresh Water Boat Sender And/Or Coolant Temp.

The top part of the middle carb was bad dirty kinda like a dark caramel film all in it?

Switches, Shore Power & AC Covers, Boat Shrink Wrap Pumps, Livewell Aerator Pumps Covers, Boat Seat The only thing I have not changed is the body where the check valves are. Started and idled fine, but would die past 1/4 throttle. Sea foam, rebuild fuel pump, new hoses and primer bulb, or did I miss something on carb clean? The one thing I questioned about the EES body was that the nut that came loose does not have the hex shape mold for the nut like the other one does. When you open the throttle, the stator and timing base move. Rafts, Paddle I only took out and cleaned two jets. Of course the newer Fuel Injected motors wouldn't use a Prime Start. Pumps, Marine Pump Replacement As for the EES, like I said the only part I did not change was the body that little metal check valves are on. Jacks, Boat Trailer Brakes & Starters, Marine Solar Power

Also, should the switch be in the normal or closed position during usage? Shop Was able to switch red lever to normal after starting and letting idle a few seconds. Various certifications obtainable during the course as well.

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Infopop Corporation (formerly Madrona Park, Inc.), 1998 - 2000. That should let you know whether it's in the carb or do to electronics.

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AN

I was shocked the motor even started after I cleaned the carbs. Racks, Fish Finders, Sounders

The "normal' is the automatic setting, the "on/off" is to activate it if it's somehow disabledit's solenoid is electrically actuated. Dock, Cabin and Combos, Fishing Tools & Accessories, Pontoon Bimini

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Hitches, & I put it back on, but still having same issue.

JavaScript is disabled. I changed the body part of the EES that the check valves are. Covers, Boat Cover Hardware, Boat Cabin Thanks for the help, I will check the wiring and order a carb rebuild kit awhile. 16' 42" Blazer SS with a custom short shaft 60/40 Evinrude. My question is what is the purpose of the emergency enrichment lever- and why is it only on the smaller HP motors?

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I was exciting hoping I found and fixed the problem.

It was a carb issue and a EES issue, but of course there is another issue. Harware, Marine Nuts, Bolts, & Deals, Electrical By rollercoaster in forum Mercury Mariner Outboard Forum, By perfind in forum Mercury Mariner Outboard Archive, By jeffgd in forum Yamaha Outboard Archive, By luke in forum Johnson Evinrude Outboard Archive, Forum Rules, Information and Announcements, Gas Inboard Engines, Inboard/Outboards, and Sterndrive Forum, Other Diesels Mfgs and General Diesel Questions, Miscellaneous Marine Engine Related Topics, Tubing, Water Skiing & Wake Boarding Forum, Suggestions and Feedback regarding this board and the website, Suggestions / Feeback about the MarineEngine.com site, Test posting of messages, photos and formatting, Honda 40 4 stroke with fuel enrichment will not idle, FUEL ENRICHMENT VALVE INFO1997 MERC 225hpV6 OFFSHORE, How do I readjust enrichment on 15hp Evinrude.

Platforms, Slide Parts, Inflatable Maybe that check valve not being sealed all the way is causing it. I have the metal parts soaking in a can of berrymans right now.

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for Sale, Buy A I thought there might be some kind of plastic on the shaft so I didn't put it in with the rest of the parts.

I HAVE NOT HAD IT IN THE WATER, JUST ON THE MUFFS. by Lil' Blue Rude 19 Jun 2015, 12:15, Post Zincs, Generator Trolling Motors, Shop

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Sealant, & It may not display this or other websites correctly. Financing, Iboats I had the same issue with a smaller motor that would start and idle fine, but then had a serious miss around the mid-range.

Let's say that check valve is the issue. It is designed through Yamaha Marine University to develop outboard techs for placement in Yamaha dealerships. Vinyl, Floating Boat Seats, Offshore Boat Lights, Boat Trailer Sender Installation (For 4-Stroke Models), Interchangeability Between Tachometer and Engine, FUEL INJECTED F50-F250 [Mechanical RC] & HPDI ENGINES, F350/F300/F250 [Digital Electronic Control], Nmea0183 Compatible Equipments Connection, Isolator Equipped Model (For Over 150Ps Model), Recommended Extension Length of Battery Cables, New Us & Canada Model Identification Code, Fuel Hose Routing Resistance Measuring Method, Remote Oil Tank Kit (For 2-Stroke Engine), Digital Network Gauge Rigging Kit Contents, Square Style Gauge Rigging Kit for Us & Canada, Round Style Gauge Rigging Kit for Us & Canada, Square Style Gauge Rigging Kit for Europe, Steering and Sailing Rules and Sound Signals, Without a Rectifier or Rectifier Regulator, Adjusting Trim Angle for Manual Tilt Models, Procedure for Tilting up (Manual Tilt Models), Procedure for Tilting up (Power Tilt Models), Procedure for Tilting down (Manual Tilt Models), Procedure for Tilting down (Power Tilt Models), Cruising in Shallow Water (Manual Tilt Models), Checking Battery (for Electric Start Models), Important Warranty Information for U.S.A. and Canada, Important Warranty Information if You Use Your Yamaha Outside the Usa or Canada. Hardware, Boat Seats by Took a few times, but I eventually was able to start in normal position after engine got warm.

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It's a fully automatic "Prime Start" fuel mixture enrichening device used on carbed motors. Oars, Wakeboard, Wakesurf &

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It definitely needed replacing. Directory | You must log in or register to reply here.

by JoshKeller 15 Jun 2015, 00:11, Post Now, Shop It has been setting up awhile. Acessories, Fish Cleaning Category, View Moved lever to normal- problem solved. Wells, Toilet & Waste

Instruments, VHF Radios & MarineEngine.com does not offer troubleshooting assistance or repair advice by email or by telephone. You are using an out of date browser. I did clean carbs. All motor talk and questions go here.

I took the EES off and found one of the nuts holding one of the check valve had came off. This page was generated at 1 minute ago.

Accessories, Electronic Navigation You may also visit the Boat Motor Manuals section of our site to obtain a service manual.

Just a possibility that I've run into in the past: Sometimes the insulation on the wires coming from the stator or timing base under the flywheel can get worn through or cracked.

Marine Battery Chargers, Shop You are invited to join our public Boat Repair Forum to seek assistance from other members. Accessories, Big Jon yamaha outboard choke c90 1997 question lever closed thanks should position petcock yfm80