02 blaster rebuild for trail/hillclimb

[Trail climber]

I don't really know what all I should do I do have a crack in my crank case from the chain breaking I was gonna get an extended swingarm and an a arm I also know the exhaust needs replaced it was welded but it's still leaking some help and advice would be helpful

 

[Blaster crazy]

Let's c some pics

 

[Trail climber]

One second I'm on my phone it won't let me post a picture says my memory is to low I'm use my girls phone

 

[Trail climber 2]

This would be the pipe that was weld this is from the back of the blaster

 

[Trail climber 2]

This is from the front side

 

[Trail climber 2]

This would be the crack in the case

 

[Trail climber]

Ill post a picture of the whole thing tomorrow and post it