Awesome, I'm going to bed excited again. Hopefully some light at the end of the tunnel. Fingers crossed. I'll be able to try it tomorrow afternoon. Thanks
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Engine overheating
- Thread starter Toona
- Start date
- Status
You need to be careful here because you have 2 pipe pissers and a block drain that mean different things.
One pisser goes out the side which means you have water in the pipe. The other goes out the back which also means the pipe has water.
Then you have another small hose out the back that is the block drain which means the cylinders have water.
One pisser goes out the side which means you have water in the pipe. The other goes out the back which also means the pipe has water.
Then you have another small hose out the back that is the block drain which means the cylinders have water.
I would go this route, just make sure the engine is running whenever the hose is on.
Okay, when hooked to the back, I get a nice, strong flow from the sensor hole. When it's hooked to the elbow, I get no flow at all from the sensor hole.
So, I guess it's not a blockage in the exhaust?
No, sounds like it's the elbow.
If you put the hose on the back it will flow into the exhaust first, then through the exhaust manifold then the cylinder and finally into the head where the sensor is.
I would remove the exhaust bolt that is in the way of removing the elbow and get the elbow out.
If you put the hose on the back it will flow into the exhaust first, then through the exhaust manifold then the cylinder and finally into the head where the sensor is.
I would remove the exhaust bolt that is in the way of removing the elbow and get the elbow out.
Yep, that's what I'm thinking. So, I'll need to remove that pipe bolt and then pull the elbow out. Right? If it's not concentrated in the elbow, does that mean I'll have to pull the head?
I know that would be the last step, but I'm mentally preparing myself
There is just a small passage for the threads and the elbow from there to the temp sensor.
Since you have good flow to and out the sensor I would assume it's just that passage and elbow that are clogged.
Once the elbow is off you should have plenty of room to poke that area clean with something better and larger than a ziptie.
Since you have good flow to and out the sensor I would assume it's just that passage and elbow that are clogged.
Once the elbow is off you should have plenty of room to poke that area clean with something better and larger than a ziptie.
gazzaskirepair
Active Member
Your almost out of the woods old coat hanger wire will do from sensor or elbow side
I hate removing fitting from cylinder heads and exhaust as sometimes they are siezed or you end up with thread damage
I hate removing fitting from cylinder heads and exhaust as sometimes they are siezed or you end up with thread damage
Sorry, I couldn't wait. I pulled the elbow and it was clean and clear, but poking an alan wrench in the elbow hole, I was met by a wall of sand and salt. I cjipped away at it, then flushed it with the sensor in and it started pouring out of the elbow hole.
I'm so happy, thank you all so much. It's 40° so I left it apart for tonight but tomorrow I'll hook all the hoses up and put it all back together, but I think it should work now. Especially after water poured out of the hole where the elbow goes
I'm so happy, thank you all so much. It's 40° so I left it apart for tonight but tomorrow I'll hook all the hoses up and put it all back together, but I think it should work now. Especially after water poured out of the hole where the elbow goes
gazzaskirepair
Active Member
Your a winner
Congrats
Congrats
Well, it doesn't overheat anymore, but it dies at 3k rpms. (As you can see in the video)
gazzaskirepair
Active Member
No video attached 
gazzaskirepair
Active Member
Sounds like a fuel problem
When were the carbs last cleaned
New spark plugs first with a compression check
When were the carbs last cleaned
New spark plugs first with a compression check
I just rebuilt the carbs. Here's the spark plugs. They were new a few weeks ago, before I knew the engine wasn't being cooled.Sounds like a fuel problem
When were the carbs last cleaned
New spark plugs first with a compression check
Like I said, I just rebuilt the carbs but I'm wondering if it was rebuilt correctly. I rebuilt the carbs in my other machine and that machine runs great, so I don't think I screwed anything up but maybe I could pull them to double- check? It revs up perfectly to 8k rpms when on the hose
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gazzaskirepair
Active Member
Plug in 2nd pic looks oily and why is the threads oily rusty looking
Do a compression check so it’s bogging down under load
Do a compression check so it’s bogging down under load
I also just noticed that one plug doesn't have the tip on it. I went and checked and it wasn't in the cable so I guess it is missing. Would that have caused the issue? Would the machine even start if that tip was always missing?
gazzaskirepair
Active Member
Yes most defiantly but doing a compression check costs you nothing and you can use it as guide for monitoring purposes in future
That’s why the plug is oily
Stick a new set of plugs in , set the plug gap first
That’s why the plug is oily
Stick a new set of plugs in , set the plug gap first
I'll have to go buy a compression kit. Never used one, so I'm sorry if I come back for guidance on that. Thank you for helping me discover that issue, I was about to say F this machine and pay the $200/hr for the mechanic because it's taken me a lot of time to re-do all these things on both machines and my wife is tired of competing for my time
She's due to have our boy in 24 days and has a ton of crap for me to do to be ready.- Status
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