engine problems

when was the last sparkplug change?but i'm not sure what you mean by jump!does it turn over for more then 3 sec's before start?go into more detail!

Or maybe he has a bad motor mount.

i assume that you are referring to a QUAD 4, with this in mind....you should really spend alittle more time in providing this post with more info if you are seriously looking for help. NOONE here is a mindreader but there are several people here that post genuine problem solving techniques regularly. post another message along with detailed make, model, and engine size......describe the problems that you are having in detail....and also let us know what repair steps that you have already taken which should at least include the most obvious such as plugs , dist cap, rotor, etc. then and only then will you be assured of receiving serious replys that will help..