ultraseal/slime
Ultraseal and slime do not work they actualy can slow a puncture down if the hole is in the tread - not sidewall.
If the hole has been made fom compression then forget it but for thorns it can slow it down so that you don't get a fast deflation however by the end of the day or next morning the tyre will be flat.
I ride a lot off road and have tried them all as I hate fixing flats. The only product Ive seen to work a little is the product called OKO which is meant for farm vehicles. 250ml in each tyre should do it for a dirt bike, maybe a little more for a beemer due to larger/wider tyres.
Made by Linseal and it's called OKO
As it isnt marketed at motorcycles it is very cheap (£7 for 1 litre)
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