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Working on a 2016 Yamaha Wolverine - Charging system

ehart814

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There's one thing about it now that You have went through what You have been through with that machine at least now You know that machine, Congratulations;)đź‘Ťđź‘Ť
Yeah, I know far more about it than I ever wanted to! But it's my cousin's machine and he has learned A LOT about it, and more importantly how to maintain it so that these types of things don't happen again. Unfortunately it was an expensive lesson.
 
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ehart814

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Last night we were doing some reassembly of the plastic body parts and bed that needed to be removed....well he was, I was mostly drinking beer and supervising.
To take the stator cover off without removing the engine, I had to cut a metal brace that connected the lower frame to upper frame. Easy to remove, and weld back up. So he removed the fuel tank again before welding. I told him to hold the fuel line far away while I welded. Well, when he pulled the line off he wrapped the end with a shop towel. I did not realize that quite a bit of gas squirts out when you pull that off, and he didn't think about it. So I start welding and after a few seconds I hear the old "whomp" sound that we all know..... So I throw the helmet off and the mig gun and grabbed the rag (it was sitting right where the fuel tank goes) and threw it away from the machine. Somehow I didn't get burned at all, and I didn't even have gloves on! So we got pretty lucky!!! LOL.... I was pretty mad for a minute but no real harm done. Too bad that didn't happen when we started with this project... probably would have just turned around and let it go!!! hahaha
 

ehart814

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Update

Looks like the Yamaha is getting pushed into the weeds. He rode it with me on Saturday and Sunday a little bit, just cruising roads and easy riding. Everything fine. Then Sunday night, he went for a ride to a friends house about 5 miles away. Keep in mind, he literally drives like a grandpa - as if there's a wood block under the gas pedal. After going a few miles down the road, the temp light came on. He sat there with the engine off and the fan running for a half hour before the light went out. Started it and drove 100 yards and the light came back on. I rode over to where he was and towed him back to the garage. We tried burping it, but it would immediately overheat and the coolant in the radiator is cold. Water pump is working. Removed thermostat. It had popped itself too far open, (i guess they do that when they get too hot). Cut the middle out of the thermostat so it's wide open. Reinstalled it. Opened bleeders till just coolant comes out. topped off and started it while trying to add coolant as needed. After about a minute of run time from cold, the temp light comes on again and radiator is still cold.

I think it may have blown the head gasket from getting hot. It seems air locked but coolant is circulating. Seems like it is either getting combustion causing an air pocket in the head due to bad head gasket or crack somewhere. Either way, at this point it's beyond us. We cant do anything with it and there's no sense in us starting over again throwing money and time at this thing. I don't know what to do.

So the moral of the story is DON'T OVERHEAT YOUR MACHINES.
 
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