New gas tank from Clark MFG
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Re: New gas tank from Clark MFG
Took my cracked tank to "Phil's Plastics" in Phoenix. The guy who does their plastic welding is brilliant. I told him I didn't care what the repair looked like but wanted it to be reliable above all. I'm pretty sure the tank will crack again later on. I'll be removing the tank while the bike is in storage shed during the hot months here (140 degrees in shed) in hopes that might help. In the mean time, I'll keep contacting Clarke. Hope you do too.
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- G22inSC
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Re: New gas tank from Clark MFG
I would store full of fuel. Hopefully that will help it from cracking again while in storage.
'05 Kaw KDX200 ('00 KX125 forks / '02 RM125 Showa "K2" shock)
'14 Yam YZ125(x) (oldest boy's)
'22 Yam YZ125X (youngest boy's)
'17 Yam YZ85 (soon to be FOR SALE)
'10 Honda Recon (wife's)
'08 Kaw KX65 (Sold)
'07 KTM 50SX Sr. (Sold)
'09 Yam PW50 (retired)
'97 Kaw KX250 (Sold)
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2005 KDX200 Bike Profile
'14 Yam YZ125(x) (oldest boy's)
'22 Yam YZ125X (youngest boy's)
'17 Yam YZ85 (soon to be FOR SALE)
'10 Honda Recon (wife's)
'08 Kaw KX65 (Sold)
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'09 Yam PW50 (retired)
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- doakley
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Re: New gas tank from Clark MFG
I’d fill it with water. If it does crack you probably don’t want it dumping out fuel.
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Re: New gas tank from Clark MFG
You would store gasoline in a 140 degree shed? LOL Not for too long. HA HA :-)
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- G22inSC
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Re: New gas tank from Clark MFG
Maybe I'm dumb but yes, I would. The fuel in the tank permeates through the plastic which would help with it not cracking. It's in a shed, away from the house and stored in a suitable container, ie the fuel tank. 140 degrees is no where near the auto ignition point of gasoline so the only issue I see is fuel vapors which would possibly exist at either 32 degrees or 140 degrees. Just be careful and don't walk around with a cigarette, etc.
If there's a chemist or Exxon employee here that disputes this please advise as I would love to hear what an expert says.
'05 Kaw KDX200 ('00 KX125 forks / '02 RM125 Showa "K2" shock)
'14 Yam YZ125(x) (oldest boy's)
'22 Yam YZ125X (youngest boy's)
'17 Yam YZ85 (soon to be FOR SALE)
'10 Honda Recon (wife's)
'08 Kaw KX65 (Sold)
'07 KTM 50SX Sr. (Sold)
'09 Yam PW50 (retired)
'97 Kaw KX250 (Sold)
Gallery
2005 KDX200 Bike Profile
'14 Yam YZ125(x) (oldest boy's)
'22 Yam YZ125X (youngest boy's)
'17 Yam YZ85 (soon to be FOR SALE)
'10 Honda Recon (wife's)
'08 Kaw KX65 (Sold)
'07 KTM 50SX Sr. (Sold)
'09 Yam PW50 (retired)
'97 Kaw KX250 (Sold)
Gallery
2005 KDX200 Bike Profile
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Re: New gas tank from Clark MFG
I think the "good stuff" vapors will really fume off at 140. I don't think it will instantly ignite.
The manual says mix up a fresh batch each day. Storing it in a plastic jug (our fuel tanks) is not the best for it. I try to pull the hose off the carb and drain the fuel into a metal can, sealed. It may not be the best way, like a fresh daily mix, but it is better than leaving it in the tank.
The manual says mix up a fresh batch each day. Storing it in a plastic jug (our fuel tanks) is not the best for it. I try to pull the hose off the carb and drain the fuel into a metal can, sealed. It may not be the best way, like a fresh daily mix, but it is better than leaving it in the tank.
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Re: New gas tank from Clark MFG
Toonces, those repairs look heavy duty!
What did that cost?
What did that cost?
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- doakley
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Re: New gas tank from Clark MFG
Actually, you are correct. The fuel in the tank permeates into the plastic but it also helps break down some of the long chain molecular bonds in the plastic. The common term is it causes the tank to "lose it's 'plasticizer'". Over time, generally a fair amount of time, this makes the plastic less pliable (or more brittle depending on your point of view) and more susceptible to cracks in areas of stress, around a screw fastener for example. It's not unlike "work hardening" in metals.G22inSC wrote: ↑12:42 pm Jan 02 2021
Maybe I'm dumb but yes, I would. The fuel in the tank permeates through the plastic which would help with it not cracking. It's in a shed, away from the house and stored in a suitable container, ie the fuel tank. 140 degrees is no where near the auto ignition point of gasoline so the only issue I see is fuel vapors which would possibly exist at either 32 degrees or 140 degrees. Just be careful and don't walk around with a cigarette, etc.
If there's a chemist or Exxon employee here that disputes this please advise as I would love to hear what an expert says.
It's not that 140*F is going to cause the gas in your tank to ignite. It may, probably will, increase the rate of the degradation of the plastic tank which could help lead to a fuel leak. What happens as the heavier than air gas fumes spread about on the floor is open for question. Should those fumes happen to find an ignition source (spark from a light switch or electric tool?) what happens is decidedly not open for question. Roughly speaking a half cup of gasoline spilled out to vaporize in a confined area, has the explosive power of a couple of sticks of dynamite. Stored in a shed away from your home you are probably fine, especially if the shed has some floor level venting (or just isn't that tightly built). Certainly better off in a shed than left out in the sun which would only degrade the plastic faster.
Oh, and, yes, I am a chemist, FWIW.
- G22inSC
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Re: New gas tank from Clark MFG
I agree, the vapor is the real issue and must prevent said vapors from finding a spark. That's the danger.
'05 Kaw KDX200 ('00 KX125 forks / '02 RM125 Showa "K2" shock)
'14 Yam YZ125(x) (oldest boy's)
'22 Yam YZ125X (youngest boy's)
'17 Yam YZ85 (soon to be FOR SALE)
'10 Honda Recon (wife's)
'08 Kaw KX65 (Sold)
'07 KTM 50SX Sr. (Sold)
'09 Yam PW50 (retired)
'97 Kaw KX250 (Sold)
Gallery
2005 KDX200 Bike Profile
'14 Yam YZ125(x) (oldest boy's)
'22 Yam YZ125X (youngest boy's)
'17 Yam YZ85 (soon to be FOR SALE)
'10 Honda Recon (wife's)
'08 Kaw KX65 (Sold)
'07 KTM 50SX Sr. (Sold)
'09 Yam PW50 (retired)
'97 Kaw KX250 (Sold)
Gallery
2005 KDX200 Bike Profile
- G22inSC
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Re: New gas tank from Clark MFG
KDXGarage wrote: ↑02:02 pm Jan 02 2021 I think the "good stuff" vapors will really fume off at 140. I don't think it will instantly ignite.
The manual says mix up a fresh batch each day. Storing it in a plastic jug (our fuel tanks) is not the best for it. I try to pull the hose off the carb and drain the fuel into a metal can, sealed. It may not be the best way, like a fresh daily mix, but it is better than leaving it in the tank.
Very true. I try to mix just enough for the ride at hand and I don't store fuel in plastic tanks of any kind. In fact, I actually drain my tank after every ride just so the natural color doesn't become stained by the mix. Try to also drain the float bowl if it's going to be a while before the next ride.
'05 Kaw KDX200 ('00 KX125 forks / '02 RM125 Showa "K2" shock)
'14 Yam YZ125(x) (oldest boy's)
'22 Yam YZ125X (youngest boy's)
'17 Yam YZ85 (soon to be FOR SALE)
'10 Honda Recon (wife's)
'08 Kaw KX65 (Sold)
'07 KTM 50SX Sr. (Sold)
'09 Yam PW50 (retired)
'97 Kaw KX250 (Sold)
Gallery
2005 KDX200 Bike Profile
'14 Yam YZ125(x) (oldest boy's)
'22 Yam YZ125X (youngest boy's)
'17 Yam YZ85 (soon to be FOR SALE)
'10 Honda Recon (wife's)
'08 Kaw KX65 (Sold)
'07 KTM 50SX Sr. (Sold)
'09 Yam PW50 (retired)
'97 Kaw KX250 (Sold)
Gallery
2005 KDX200 Bike Profile
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Re: New gas tank from Clark MFG
doakley, you sounded like a chemist!
I cheat and just laid it over sideways until it came out of the overflow tube, then cranked it up and ran it until it was about empty.
Leaving fuel in a clear tank scares me just to read it. :-) I have seen some KDX tanks that have a lovely shade of moss green / brown as they have had gas for years.
I cheat and just laid it over sideways until it came out of the overflow tube, then cranked it up and ran it until it was about empty.
Leaving fuel in a clear tank scares me just to read it. :-) I have seen some KDX tanks that have a lovely shade of moss green / brown as they have had gas for years.
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- doakley
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Re: New gas tank from Clark MFG
Repair was $80. I told the plastic welder guy that I didn't care about cosmetics and durability was top priority.
I went riding yesterday and another small lead started. I'm going to keep bugging Clarke till they make a tank. I don't think they have any idea about how many people could use a new tank and that they would be the only supplier in the world for this particular tank.
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Re: New gas tank from Clark MFG
Thanks for the reply. Sorry to hear that it has started a new leak.
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Re: New gas tank from Clark MFG
Hmm... It's February. Time to call Clarke again. They are either going to tell me to F@%k off or, make a tank for the E model. Perhaps they'll do both : )
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Re: New gas tank from Clark MFG
There are a couple that sold on ebay. Are you only wanting new and not used?
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Re: New gas tank from Clark MFG
I've got a large crack on my 1991 200 fuel tank. I have heard tales of using a kx500 tank. I have no problem welding new mounts and modifying mounts as the bike runs like a champ. I picked it up so the kiddo could get experience riding and not tear up a newer bike. I didn't realize getting a replacement tank would be so tough.
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Re: New gas tank from Clark MFG
Are there no used tanks on eBay?
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