peougeot speedfight 2 50cc wont start need help

[gavandjames]

hi i have a Peugeot speedfight 2 50cc and it wont start i replaced CDI unit spark plug, coil, piston and rings. stator plate, starter motor. but still wont start engine turns every so often it backs fires but it has a 70cc bore kit, has a good spark any suggesting?? thanks.

[Nobby the Bastard]

Have you checked that it has petrol in it?
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trevor saxe-coburg-gotha:"Remember this simple rule - scooters are for men who like to feel the breeze on their huge, flapping cunt lips."
Triumph Sprint ST 1050

[gavandjames]

yeah plenty of petrol also 2 stroke thanks

[GrumpyGuts]

As you've changed the piston rings, have you bolted everything down correctly? As in, has it lost compression?
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My Bikes: Lifan Beat 125cc '11 -> Suzuki B120P '76 -> Suzuki EN 125-2A '08 -> Honda CG 125 '04 -> Honda CB600F Hornet '98 -> Kawasaki ZZR 600 '99 -> Kawasaki GPZ 500S '95 (Current)
Theory test passed - 09/02/2012 >>>> Module 1 passed 24/07/2012 >>>> Module 2 passed 24/10/2012

[gavandjames]

hi yes have change piston and rings and all put back as it should thanks

[gavandjames]

with loads of compression