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Dave in Md
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Happy Cub-ie This Evening!

Postby Dave in Md » Fri Dec 17, 2004 8:46 pm

Thanks folks! I'm a happy cub-ie tonite!
I have the "tired" 53 that I've asked for advice on in previous posts. Today I added some Sea Foam to the gas, put fresh plugs in, and removed (temporarily) the breather tube from the air cleaner to the front of the block. When I fired her up she filled the garage with smoke in about 3 seconds so I got it out the door quickly and then went back to open all the doors to air the place out. When I was back on the Cub I let the clutch out a touch to fast and she durned near popped a wheelie! I have a hill in the middle of the lane that I've tried to climb in 3rd gear. I'd get a running start at full throttle and the Cub would literally stall before it was half way up. Today, I went up that hill in 3rd at full throttle, at an idle, and every speed in between! I'm just pickled tink!!!
I'm not sure exactly what made the difference or if it was a combination of things, but thanks for the advice. I KNEW it should have been able to pull that hill.
The breather tube will go back on after I've cleared an obstruction. It's soaking in carb cleaner now. I got cramps in my hand from trying to clear it out with a piece of wire. Whatever solidified crud is blocking it is in there good. Compressed air wouldn't budge it either. Let's see if 'better living through chemistry' will apply to this problem.
Well, she's not as 'tired' as I thought.
Thanks again.
Dave

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Postby Cub-Bud » Fri Dec 17, 2004 9:14 pm

I had great success clearing a blocked tube by heating with a small propane torch followed by compressed air. Be careful and don't let the flame rest in one place. 8) Now would be a good time to clean the air cleaner with kerosene, along with the dipstick/breather cap. :wink:
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Postby beaconlight » Fri Dec 17, 2004 9:51 pm

Go for it Dave. It is such a joy when you realize that it is not the old tired iron you had earlier.

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John *.?-!.* cub owner
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Postby John *.?-!.* cub owner » Fri Dec 17, 2004 9:57 pm

Sea Foam is good for snake bite too! :lol: I use it in all my vehicles regularly, to help keep them cleaned out. Don't forget to clean the fittings where the breather tube attaches to the block and breather.
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Postby Ron L » Fri Dec 17, 2004 11:13 pm

I got tired trying to clear my breather tube with wire, cleaner, heat. What ever solidifies in there gets like a rock. So I just replaced it with a piece of brake line..........
Ron

Dave in Md
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Postby Dave in Md » Sun Dec 19, 2004 10:12 am

Keeping the tube full of solvent may have helped. Working by following one of my favorite tongue-in-cheek sayings I applied heat and then about 100lb compressed air. The breather tube cleared out with a nice 'pop'. Right now it's hanging a few feet above the heater waiting for the fresh coat of rattle-can paint to dry. I've already cleaned the fittings and the filters. Next is re-assembly and then good ol seat time.
Dave

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Breather tube

Postby S.H.A.F.T. » Sun Dec 19, 2004 4:13 pm

Dave, I could not get mine clear either. I had to soak it in a hot tank for a weekend to loosen her up. I then applied compressed air and it was clear. Keep at it.

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Postby johnbron » Sun Dec 19, 2004 6:14 pm

I had good & fast luck with mine by squirting the tube full with carb-cleaner and then I put an old speedometer cable in my hand drill and snaked it through. The turning action of the cable agitating the blokage & carb-fluid ate through it in a Rush-Gush. :)
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BREATHER TUBE ?

Postby HART » Wed Dec 22, 2004 2:50 pm

I MUST SHOW MY IGNORANCE... ONCE AGAIN.... WHAT AND WHERE, IS THE BREATHER TUBE AND IS IT ANOTHER PLACE I SHOULD CLEAN OUT TO MAKE GAS FLOW BETTER TO CARB ???

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Postby Bigdog » Wed Dec 22, 2004 3:17 pm

The breather tube being discussed here is the one that runs from the front of the engine block up to the air cleaner body and it vents the vapor from the crankcase into the air cleaner.

Image

This is what it looks like.
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Postby Cub-Bud » Wed Dec 22, 2004 3:24 pm

The breather tube runs from the LF of the block to the stack on the air cleaner. It assists in the aspiration of the engine. If this tube becomes blocked, it can cause all sorts of minor problems.

Make sure the oil filler/dipstick cap and air cleaner are both clean.
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