2 stroke exhaust cleaning?

[madmike999]

am busy with the 180 rally (Vespa) but the exhaust  feels very heavy, i'm sure it has 30 years+ oil inside there. Any body know how you clean a exhaust like that?

 

[Welsh]

 

[madmike999]

 

[alanB]

 

[Berm_Rooster]

 

[madmike999]

 

[Berm_Rooster]

 

[madmike999]

 

[Berm_Rooster]

 

[madmike999]

 

[Moondog]

 

[axehead]

 

[Welsh]

 

[axehead]

 

[ratrap]

 

[Buzzlightyear]

 

[Welsh]

 

[ratrap]

 

[GRIM]

 

[RobCrouch]