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Discussion Starter #1
Well, i thought my quad was running perfect. But i was wrong. Took it to the coast and the top of head, there is a adapter were a coolent hose connects, i was riding it and i was torking it in 3rd, and the thing blew right off and coolant went everywhere. I have a bog soon as i try to hit the powerband in 4th. And it overheats really bad, Anyone Know Wat i can do to fix any of these problems?
 

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Oem head or aftermarket head? Years ago that elbow on my Oem head came out, I put some steel epoxy on it and hit it back in with a rubber mallet.
 

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Yes, they are pressed in at the factory. Welding back on is a permanent fix. Might just put on another head (easiest)
 

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Its a cr250 head. Just got topend fixed. Im going to try to hit it down with a rubber mallet and mabie turn the mig welder down as low as possible and weld around it haha. But any clue on the other problems? Please?
 

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If you're over heating that could be why it blew off to begin with. I'd check the water pump, maybe it's not circulating. What's in the coolant system as far as coolant?
 

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Discussion Starter #6
Autozone 50/50 antifreeze and coolant. lol. Ya the head was almost hotter than the pipe was. It has a massive heating problem. The raidiator is kinda shot, but not that bad to be torching the motor.
 

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Get that fixed before you destroy the new top-end you put in.
 

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Tison you have got to ditch that PJ carb. A good 38mm Pwk and your set. They are easy to jet and tune.

Years ago I had a bored PJ on a 310 and never could get it to run right. They don't take well to boring. I put on a Pwk and it was night and day difference.


A little JB weld on the water flange before you tap it back in will seal it and keep it there for good.

You must have ran into troubles after I saw you out there.
 

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Its a cr250 head......any clue on the other problems? Please?
Got the head gasket in right? Plugged radiator or rebuild water pump?
 

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The set-screw fix is a good one followed by your favorite epoxy. Clean well, roughen both surfaces before the epoxy goes in place if you do not have a set-screw in place. Or like Tony suggested; get a new/used head or get the old one welded...

Carlos
 

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I have oem head welded water inlet shaved for 50/50 gas pm if you want it 50.00 shiped
 
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