Mechanical breakdown warranty a must when buying 2nd hand ?

[sidetrack]

As per heading I have never had to take one out in the past, is this a must when anyone buys a bike or car 2nd hand ?

 

[Casting from Turd]

 

[Buzzlightyear]

 

[manxkipper]

 

[Omninorm]

 

[Ganjora]

 

[Neo_za]

 

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[Oshkosh]

 

[TheBear]

 

[Kortbroek]

 

[Chrisl]

 

[the_BOBNOB]

 

[sidetrack]

 

[Chrisl]

 

[LouisXander]

 

[McSack]

 

[2wdrift]

 

[m0lt3n]

 

[TheBear]