My Experience De-Rusting the Puch Maxi Gas Tank Permanently using Evaporust and POR15
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- เผยแพร่เมื่อ 31 พ.ค. 2011
- This is the entire process I went through to solve my rusty gas tank problems on the 1978 Puch Maxi. When I started working on this tank it looked a lot better than it did last summer (like, EVERYTHING was black and covered with varnish) so "The Works" toilet bowl cleaner deserves some credit too.
Here is the MopedArmy wiki page that gave me the inspiration for a lot of this:
www.mopedarmy.com/wiki/Removin...
I put a lot of work into this video, hopefully you can see my mistakes and learn from them when you go to do your tank, and hopefully my goofy friends can provide some comic relief. - ยานยนต์และพาหนะ
89fxst, this particular bike uses the frame as a tank, there is no way to remove it which is why some people and this guy mounts an external "pocket bike" gas tank (seen at 1:10).
This vid is very helpful to those of us tackling the same issue. I've acquired a '78 Puch that was stored for years and of all the suggestions I've heard about cleaning out the tank, this has been the best, not to mention proven technique.
You guys are like a trio of mad scientists! You work well together! Good job ! Just bought a 1980 Puch Maxi II. I'm sure I'm gonna have to do some of this stuff to it. Thanks for the video !
Cool, I had to do this. I put alot of big bolts in it and shook it. I also put a metal rod through where the pedals go and rotated it. Then I coated it. It wsas pretty easy to prep the tank since I removed everything from the frame.
I just bought one in similar condition 1976 maxi red, I'm working on it. Thank you for your videos they will save me hours.
Great video! I recently got a 1977 Puch Maxi that has been sitting in a shed for the last 20 years and is in mint condition...except they left the gas in it. I'm running an external tank for now, but I will have to clean that tank out soon...this helps a bit!
lol @ 17:15. Great video man. You really showed everyone the PITA you go through doing this. Thumbs up.
Man I'm glad I have a removable tank on mine. Jeeeezus!
Lots of work, but many years later this liner is still holding up!
@@TravisTutorial I just did this on my Free Spirit. Vinegar/Salt then POR-15. Glad to hear it's still doing well!
Awesome video. I'm supposed to go look at one to buy tomorrow, and i'm really nervous, this video helped a lot!
cool finding the original mixing cup .
HAHAHA That cloth really helped when you were fighting the bike and the hose :D
This was awesome, Kinda reminded me of a Three Stooges episode! Great job!
I find your videos very helpful and informative and I hope you keep making them. That being said This looks like a nightmare I want no part of and I'm going to have to try and find an easier way. I clean almost everything with white wine vinegar, I think I'm going to try that.
How did the vinegar worked on your moped gas tank?
Cheers
9:21 😮🎉 i did not know that......."wooow thank you...from the future 2023" lol
Another tip is to strip the bike clean so you only have to work with the frame. It is soo much easier to handle.
The gunk that's coming out is old gasoline dried out converted to varnish. You didnt have to use the Evaporust since you also have the POR15 kit. This kit include "Prep N Ready" which removes the rust.
Should've started with the Marine Cleanr. That dissolves the varnish.
Apply the Prep n Ready (also reusable) to remove the rust and leaves a zinc phosphate coating to promote sealer adhesion. Let it sit (as you did with the Evaporust). Drain and rinse.Dry and pour the sealer. Drain excess.
Thanks for the video everone, im restoring a 1996 tomos sprint step thru 49cc ,this was very helpful ,keep up the great work everyone
☆☆☆☆☆ ,《 go mopeds .
good to see you taking care of that good old puch (pronounced poock :-) ) I've owned a couple of them, good mopeds :-)
could i use THE WORKS and THEN use POR15 and get the same results?
moped shop secret...laquer thinner gets rid of varnish (you called it gelatinized gas)
What kind of bike stand do you recommend for doing this? Nice work. Very helpful!
Which marine cleaner did you use with the power washer? Can't seem to find any reference to it.
I use a regular wooden carved little stick and plug the hole. Just a tip!
I think the Evaporust would work better with occasional agitation & shaking. Also, I wonder if electrolytic derusting could be done.
I found the same little piece in mine from the old petcock I also used the hose to shoot the broken pieces of my current one out of the small hole still looking for the oil cup I know it should be in there because I was the one that knocked it off
Nice!
20:16 Team work!!!!!! brahh!!!
Good vid...
Looks like a daunting task since I don't have a stand like you do. Do you think the primary source of the sediment was inside the small oil cap you found inside at the end?
Brad Mello Might not seem like it in the video, but this was a two day slog. Honestly this video is kind of a nuclear option, tanks that have huge amount of rust or pinholes I like to seal, but tanks that only have surface rust Evaporust usually does the job perfect. I was also far lazier in this video than I should have been, if take the engine and wheels off a Maxi you can manipulate it in sort of the same way as a stand if you get a few friends together.
One of my puch tanks was so damn rusty I had to cut the gas tank off, sand blast the inside, weld it back together, and then use the po15 kit. there were tiny pinholes all over the bottom of the tank no matter what i did wouldnt have made a difference. so... your tank looked pretty damn good compared to mine.
Red kote the best iv used all brands of it
what a ton of work i bet that plastic oil mixing piece wasnt part of the original design but an afterthought for the "american market" conceived by a beaurocrat not an engineer, and it screwed up the WHOLE BIKE! that piece may be the singular reason why the bike lost popularity and so many of the old ones survived with only have a few hundred miles on them today.
Man this shit is fucking funny man reminds me of the movie superbad😂😂😂
that was hilarious when your friend pulled off the fuel line and marine cleaner went all over you
if your engine is not seized do u have to drop your engine to derust it
take it off because it's heavy
shoulda put a hose screw around that hose housing
Witam Kolegów z Polski dobry sposób na wyczyszczenie zbiornika jest nasypać czystego żwiru ale niestety trzeba rozebrać motorower i potrząsając cała ramą uzyskujemy na prawdę dobry efekt ale jest przy tym trochę roboty i cierpliwości pozdrawiam
I have the same moped, one year earlier. My tank has been empty for years and has the cup on the bottom of the cap. I had the engine looked at and the guy told me that the worst part was that the gas tank was very rusty. But after watching your video, it is not nearly as bad as yours was. Do you know of a site for other parts? I know that they are old, but it seems there are groups that like this company's mopeds. Just wondered if you had other knowledge that I don't.
www.mopedarmy.com/wiki/Shop_links#Parts_Vendors_with_Online_Catalog_and_OrderingTreatland.tv hands down, after that 1977mopeds and the Buy/Sell forum on MopedArmy for anything harder to come by. Puchs are popular because they made millions of them back in the 70s and both regular and performance parts are plentiful. I rarely do a POR15 job on tanks now unless they're really bad, lighter jobs you can get away with a vinegar treatment, full instructions are on the tank desrusting page on the same wiki linked above.
I am so new with mechanical stuff, your videos are great. I was just watching the engine drop video, very informitive. And the rebuild is another one. Makes me excited to get my hands in it, even though I dont really know how to do it, lol.
Glad you enjoy them!
www.treatland.tv/default.asp
How has it held up since? Also do you use unleaded gas?
do they even MAKE leaded gas anymore?
Does this work on an old 1989 vespa ciao?
And would bleach do the job 2? I am from belgium and dont have the products availible you have.
You can use vinegar to get rid of the rust , it wil tale longer but it will work
I'm surprised that they didn't disassemble the bike further or remove the tank from the bike to make the job a little easier.
the tank IS the frame
I am in algeria sell me this moped
i spilled works on my carpet and it made a whole ''CRAZY'' ps : i was makine works bombs
lol it's POOK and WICKI not pooch and weekee.. but still, thanks for the vid
and e-vap-o not e-vape-o .. lol dude pronounces stuff wrong..
i catn decide if they are nerds,hippies,gay
no offense
Who gives a shit?!