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1990 big bear 350 4×4 Yamaha


billybobjones1921

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So the start button won't crank it over, but you can start it with the pull or kick start ?

Most bikes have a safety feature where they won't start in gear, and I'm thinking that green light is to show it's in neutral.. It sounds like there is a problem with the neutral lights circuit, perhaps just a broken wire. Some bikes will start in gear if you apply the brakes. You could try putting the brakes on and seeing if it starts with the start button, that would confirm it's a neutral safety feature problem. It may not have that start in gear if the brakes are on feature though so don't get too sidetracked if it doesn't start.

I think you need to check the wiring to the neutral switch, and the switch's operation. You should download a service manual and have a look at the wiring diagram and figure where and which wires are the neutral circuit and then inspect them real carefully. You could leave it idling and try wiggling the wires for the neutral circuit at their ends to see if you can get the light to come on steady. Mostly wires break at their ends where they connect to the metal terminal in the plug. The other fairly common thing is that the wires chafe through, you could inspect it all for wear, especially up near the steering head where the wires move with the steering.

You could confirm the green light is to show it's in neutral by starting it then putting it into gear.. If the light goes out then it is a neutral light.

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Hi, you can locate the green wire on the starter and then bring a clip with a wire and connect it to the green wire and connect the other side to the neutral on the battery, your neutral light will turn on, but its not a solution! Further checkups are needed 

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My 1988 Big Bear 4x4 has the green lite and comes on when the key switch is turned on IF THE TRANSMISSION IS IN NEUTRAL and it will NOT electrically crank with the green light off UNLESS the hand brake lever is full depressed. (it will then electrically crank and start while in gear)

I've never seen the green light flash on/off, it's either on or off.

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I suspect the flashing is an intermittent connection, probably a broken wire, which makes and breaks with the vibration of the engine running. When the engine isn't running it's not connecting at all..

And Bruce has confirmed it should start with the brakes on, so try that.

 

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