FRUSTRATING Service Of A Zama M1 Carburetor For McCulloch 110!
Published 2021-09-26
All Comments (21)
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You have a very nice voice, I could listen to you talk about carbs all day. Thank you
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Very good detailed video. These mini mac's are probably the worst design I have ever seen. You have to disassemble the entire saw to get the carburetor out! Once you do, now you have this complicated and poorly designed zama to deal with. A huge pain, but an interesting learning experience. A tip regarding getting the new gaskets to seal, soak them in a bit of oil first. They rarely seal right out of the packaging. Generally they swell up only after the fuel mix has made contact with them.
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This is all stuff i need to see and hear. Thank you
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Nice work! The haters gonna hate. I though you handled it well. You must have patience working on these McCullochs.
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real nice that your hands are in the way all the time!
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When I get a carb that crusty and varnished, I put it in the ultrasonic cleaner on its hottest setting for about an hour. While still hot and fresh out of the UC, I hit it with PB Blaster and compressed air. Wear a full face shield because it's going to get messy, but this method hasn’t failed me yet.
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I find when I'm rebuilding a Zama carb it's best to relax turn off the phone lock the door and scream obscenities at it until I have it fixed or have thrown it through a window.
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I’ve found that E85 gas dissolves varnish very well. I used it to clean out a tank on an old Homelite 360 once.
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I once bought a 575XP husky with a Zama carb, I just could not get it dialed in. I sold the saw with full disclosure to another guy, a few weeks later he called me and told me he couldn't make it run right. I stick to Walbro's or Tillotson now, no issues.
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very helpful. thanks. I find carb cleaner is not the best on cleaning crud especially etholol damage. Soak it in penetrating fluid for a few hours or even days can loosen up the crap. Then clean it up with carb or brake cleaner.
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I've had good luck using acetone to dissolve thick varnish. Acetone will dissolve many plastics too so remove plastics from anything to be exposed to acetone or test the plastic first.
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Talented fella thanks for the video
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Yes. It only happens when the camera is going. Still great work. Bruce
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I converted the carburetor. I bypassed the non-return valve at the main nozzle. That's right, the Walbrocarburator.
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The leaking needle may be dry. A little fuel on it may help seal it. Also I may not have been paying attention but did you remove both high and low speed screws and clean passages and ports thoroughly? I didn't see cleaning the low speed screw and passages
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Leon: Can you just shake the carb and listen to hear if the check valve moves and makes a slight noise? I know you can do that on some 4 cycle carbs that have an internal check valve. Thanks!!
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Thank you.
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Which way should that valve block
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Do you ever use Ultra Sonic cleaners?
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A sliver of electrical tape with the screw through it and taped to the end of the screwdriver acts almost like a magnetic screwdriver on your brass screws.
