Reply To: GT250R 2007 Chain Jan 5, 2019 at 12:07 AM #2153 Frank5168👤 Member🖊 Topic Author Topics: 2Replies: 1 Quite right. Had to “suck the kumara” (NZ slang for biting the bullet” and buy a new chain. The tight and slack sections of the chain are indeed classic symptoms of a knackered chain.