Im buying a 2003 predator with a blown engine for $250 from my neighbor who is moving. how much do you think it would be to rebuild the engine

 

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warriorboy, obviously it all depends on what has to be done. I just rebuilt the top end of my motor (new piston, cylinder, head, valves...) for about $1100. Luckily I didn't have to go into the lower end. good luck.