| if its binding up that could be why its eating clutches i did hear of a batch that did this & the seller was suppling a spare clutch with each bike, you may need to inspect the axle bearings because some corrode & bind up during the shipping from china
make sure the rear axle is straight & in line the brakes also bind up a bit as they have a thicker disc i had to run my cable slack until the brakes bedded in
the other thing on some is once the brakes are applied the caliper would stick & did not spring back open so we had to add a spring to pull the brake caliper back
one other thing i did was to remove the front suspension & install 2 X 6 inch pieces of square tube & make it rigid, as i did not like the way the front would track when the spring was compressed
it handles a bit better rigid in my opinion when turning at high speed & power sliding
it looks like its already got the 6/68 pinion & sprocket thin chain setup
being taller than me you will probably also sit back further on the seat so be wary of dips at high speed because if your still on the power they can be easy to flip because of where you sit
it wouldn't hurt to inspect the bell size & bearing but there are some really soft clutches about so it may just be the compound & springs they use ?
i use the clutches with a dark grayish black pad material & 10 turn springs  | 
