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Nintendo Wii - Mega Man 9 cheats

Get Rush Jet Adapter:
Defeat five Robot Masters.

Rush Jet Adapter:
Defeat 5 Robot Masters to get the Rush Jet Adapter.

Opponent - Recommended weapon:
Blob Monster - Black Hole Bomb. 
Concrete Man - Laser Trident. 
Dr. Wily part 1 - Mega Buster. 
Dr. Wily part 2 - Mega Buster. 
Dr. Wily part 3 - Plug Ball. 
Galaxy Man - Mega Buster. 
Giant Machine - Laser Trident. 
Hornet Man - Magma Bazooka. 
Jewel Man - Black Hole Bomb. 
Magma Man - Tornado Blow. 
Plug Man - Jewel Satellite. 
Splash Woman - Hornet Chaser. 
Tornado Man - Plug Ball. 
Wall Shooters - Mega Buster. 

Try the following Boss order and recommended weapon.
Splash Woman - Mega Buster. 
Concrete Man - Lightning Trident. 
Galaxy Man - Cement Shot. 
Jewel Man - Black Hole Bomb. 
Plug Man - Jewel Satellite. 
Tornado Man - Plasma Ball. 
Magma Man - Tornado Blow. 
Hornet Man - Magma Bazooka.