I recently tried to fix this chains whining noise a lot of people said a lot of different things but once i pulled it apart it was obvious why mine was making the noise, check your front sprocket undo the casing (obviously) you only need an alan key to undo the bolts and a cloth on the end of a screwdriver or something to help you reach the hard to get places around the sprocket and guards.
What i did was wipe away the grime around the chain and sprocket but after a while this bike likes to pick up a lot of foreign things which may cut the plastic guard above the front sprocket which was making the noise some of the guard was rubbing on the chain so i cut the excess cleaned the sprocket adjusted the chain and lubed it up again i would say use some degreaser and get in there with a gurney and clean it completely but replacing the chain wouldn't hurt either if you have seen some plastic in your chain then replace it i believe it is part of the o rings from what everyone on the forums suggested so yes replace it if this is applicable to you.
my noise is gone and im very happy that it is because it drove me crazy whenever i passed a wall or car if i have missed something or said something you disagreed with post your thoughts this is purely information for everyone on the forums so if you can say something that can help speak up and lets make this forum a rich source of information for years to come.
What i did was wipe away the grime around the chain and sprocket but after a while this bike likes to pick up a lot of foreign things which may cut the plastic guard above the front sprocket which was making the noise some of the guard was rubbing on the chain so i cut the excess cleaned the sprocket adjusted the chain and lubed it up again i would say use some degreaser and get in there with a gurney and clean it completely but replacing the chain wouldn't hurt either if you have seen some plastic in your chain then replace it i believe it is part of the o rings from what everyone on the forums suggested so yes replace it if this is applicable to you.
my noise is gone and im very happy that it is because it drove me crazy whenever i passed a wall or car if i have missed something or said something you disagreed with post your thoughts this is purely information for everyone on the forums so if you can say something that can help speak up and lets make this forum a rich source of information for years to come.