help with slipping sprocket on tuffs

[burner gx]

hi as some of you may know ive done up my sons supergoose for crimbo
he's been on it yesterday and he's said the chain drive slips occasionally ive look and it seems tobe the rear sproket.

ive taken the wheel out and ovbiously its free running backwards but when you drive it the corcect way it occasionally slips like (free wheeling) is there somthing i need to do or do you think its fadged.
 cheers in advance
nige.

[harris]

bin it   

[burner gx]

so its deffo knackerd is it

[QUADROPHENIA]

give it a good squirt of wd40, its most proberly full of cack

[burner gx]

i think after looking at some other threads if its spinning both ways and the hassel of getting it off i,m proberbly better off going to halfords and getting a new one fitted

[lazychubs]

waits for moley to moan about wd40 bit lol 
after spraying with wd40 relube it with 3 in 1 oil if still no joy then bin it

[meticulous]

the ratchet mechanism will be worn, not worth pee'ing around with for a tenner for a new one...

[moley]

waits for moley to moan about wd40 bit lol 
after spraying with wd40 relube it with 3 in 1 oil if still no joy then bin it

You cheeky fecker!!

I dont appreciate that Lazychubs!!

I dont even own some WD40!!

This bloke, down the pub, told me never to.................................................

[lazychubs]