I consider myself to be an old school OMC guy having started in the business in 1980 and attending service schools numerous times over the 10 years that I worked on boats for a living. After moving to a new profession I have continued to work on the OMC motors for close to 30 years now. I have a...
I am working on a 2005 Yamaha 40 horse 2 stroke. It runs great but is hard to start. I am looking at the primer device located on the middle carb. I checked the blue wire for power when the key is pressed and I get nothing. I removed the primer and went straight to the battery with the blue and...
I am working on a 2000 model Yamaha 40 4 stroke (tiller handle-rope start) that is very cold natured. I have been thru the carbs 3 times and all seems clear and the acc pumps seems to work. On the top carb there is a white plastic device with a short plunger and 2 yellow wires. My question is...
I am working on a 2000 model 10 hp Johnson. When I use my spark test tool it doesn't show anything. I have good voltage coming from the pack to the orange leads on the coil. I changed the coil but still no spark. If I place a spark plug in the boot I get a very weak spark. This motor has the...
I have a late model 150 Johnson with some weird Trim and Tilt problems. Can anyone tell me where to find a schematic drawing of the fluid paths, like in the shop manual, for a 2000 150 Johnson?
I am changing a blown powerhead on a 2001 125 Merc I-4 for a friend. The motor was ran with no oil, the resovoir went empty and no alarm sounded. I just checked it out and the horn appears to be bad, it just makes a squeak when I ground the temp sensor wire. My question concerns the module that...
