burnrubbernotursoul

Tools needed:

a) Puncture repair kit which consists of tool 1, tool 2, cold mending rubber strip, cutter blade.



b) Foot pump and a plier.



Procedure:

1) Step 1: ideally you should mark the portion where the nail is embedded but since i didn’t have any chalk i skipped that part. Rotate the tyre to a position from where you can have a comfortable access to the nail. After that i engage the gear so that the tyre doesn’t rotate during the procedure.



2) Step 2 : take out a strip of cold mending rubber and pass it through the eye of tool 2 so that there is equal length of the rubber on either side of tool 2 .keep it aside.





3) Step 3: use the plier and pull out the nail.



4) Step 4: insert tool 1 through the hole created by the nail. Here you must follow the path (direction) of the nail. Insert about 2/3 rd of it through the tire.





5) Step 5: now take tool 2 with the rubber strip fitted in it , pull out tool 1 and insert tool2.here again you have to follow the path made by tool1.pierce about 2/3 rd of it through the tire.





6) Step 6: now press the rubber strip with your fingers and pull out tool 2.



7) Step 7: cut the remaining of the rubber strip leaving behind about 5mm of strip from the surface of the tyre.



8) Step 8: inflate the tyre to recommended pressure and check for any leakage of air from the repaired portion by wiping the area with a cloth dipped in water.



9) Step 9: disengage the gear and now you are ready to go.


here's the culprit:

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cool_dude_sunn_y

Great! I have a questions thou!

As in Step 6, how did you pull out the tool, as the rubber was passing through the hole within the tool?

Do u pull it out making sure that the tool slides over from either side of the strip?

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tanay

I feel that the rubber strip is about twice as long as required. Has anyone tried to seal a leak with a smaller strip? A tyre is quite thin after all, I was thinking it may be possible to use only half the strip and proceed as per the illustrated steps. That way the puncture gets repaired and far less of the rubber strips are wasted during cut-off.

I will try it out for my next puncture though.

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blkhrt

the toot has a slit at its tip and thus the rubber passes through it and stays inside the tyre

burnrubbernotursoul

look at the first photo given in step 2. the tool is split at the end.which means that you have to simply pull out the tool (dont think about anything else just hold down the strips with your fingers and pull out the tool the way you will pull out a nail from the tyre) ,the strip will pass through the split end. the other purpose is that it will force the strip against the tyre from the inside and thus seals the puncture from the inside.hope this will help

you have to use a full strip for a puncture. half a strip will be too short. contrary to popular belief the purpose of long strip is to seal the puncture from inside ,just stuffing the puncture hole with the strip will not seal the puncture properly.when you insert the strip it gets folded on itself which means that you get only half the length of the strip for all practical purposes.now imagine using half the original length ,you ll get only 1/4th of the original length once it gets folded on itself while inserting.the other purpose for a long strip is that sufficient amount of rubber should pierce the tyre and be available on the inner side so that when you pull at tool 2 the strip is pressed over a larger area on the inside of the tyre thus working as a patch to seal the puncture.so use a full strip it doesnt cost you much.even the roadside puncture wallas doesnt use half a strip ,there has to be some reason for it right

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Arjun Dua

Thanks for explaining it. will do it next time.
I hope there is no problem in skipping the step 9 and ride some distance without refilling air as i fill nitrogen in my tyre..

vikram kumar

I think that you need to fill air immediately cause when you take out the nail and then insert the tool 1 and then remove it, there will be a hole in the tyre and all the air will escape

Not sure but thats probably whats gonna happen

phaedrus

hi, thanks for a good tutorial.
can you give us an update of the performance of the puncture.
how long does it hold?

are u seeing any air leakage etc?

Sava

Exactly. A lot of air will escape when you pull out the nail, and if you have more than one punctures in the same tyre, almost all the air will be gone by the time you seal the hole (talking from experience here). AFAIK, the repair will last for the lifetime of the tyre in most cases. Don't know about the OP, but I had two punctures in my FZ's rear tyres about 3 months back (2 huge nails struck in the tyre), its got no leakage so far - its as good as it was before the puncture.