aron Posted April 24 Share Posted April 24 Can anyone help me out iv have a crack on my plastic fuel tank were my fuel filter goes in is there anyway I can repair this as all sealents iv use just fail due to the petrol Quote Link to comment Share on other sites More sharing options...
Phil1 Posted April 24 Share Posted April 24 (edited) Without a plastic weld (HDPE), I think you'd need a new tank.... Edited April 24 by Phil1 Quote Link to comment Share on other sites More sharing options...
RideWithStyles Posted April 25 Share Posted April 25 correct as fuel (ethanol higher now) will just eat the sealants you try. You could try as a temporary measure might be to use fibre glass, resin and filler, it might work? Quote Link to comment Share on other sites More sharing options...
husoi Posted April 25 Share Posted April 25 Depending on what tools you have access to you can do the welding yourself. Sealant wont work. The nearest you would get is to use a mix of bicarbonate soda and Super Glue. Loads of yt clips about it. Keep in mind that it will always be a temporary solution. Welding with a heat gun and some ABS will be the best you can get other than a new tank. Quote Link to comment Share on other sites More sharing options...
Trooper74 Posted April 25 Share Posted April 25 I’ve repaired 2 plastic tanks successfully using the following … wash tank out with hot soapy water … washing up liquid … attach a hose , garden hose , to the exhaust of a petrol car and use the fumes to dry the tank out …. Fill the crack with epoxy resin , 5 minute type .. if it falls in keep adding it until the crack is filled to be level with the surface … 72 hours in a warm cupboard …. It works …. 2 plastic tanks sorted Aprillia and Yamaha. … Quote Link to comment Share on other sites More sharing options...
husoi Posted April 25 Share Posted April 25 You can use masking tape to stop the resin from running Quote Link to comment Share on other sites More sharing options...
Mississippi Bullfrog Posted April 25 Share Posted April 25 Don't do what a mate of mine did. He was told that glass resin would seal the holes so he mixed up a good quantity of resin, put a plug in the outlet and poured the resin into the tank. Then he swilled it round so it coated the inside of the tank and allowed it to set. He then re-assembled the bike, filled the tank with petrol (no leaks - hurrah) and tried to start it. It wouldn't fire. We let him ponder this for a few days before reminding him that having swilled the resin round the inside of the tank he'd not also sealed the leak but also the fuel outlet. Once drilled out it worked fine. 2 3 Quote Link to comment Share on other sites More sharing options...
RideWithStyles Posted April 25 Share Posted April 25 so funny enough it did it work but you just need to slightly modify it... Quote Link to comment Share on other sites More sharing options...
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