If you had gone through the instruction manual I put out there for you to download, you would have seen it listed at the very end of the "Items in the Kit" on page 3 of the instruction manual.
I have highlighted its listing below.
Items in the Kit
85cc 2-stroke engine (1 pc cylinder & head)
Performance CDI
Reed valve air intake
High performance Speed carb
Black tear drop gas tank (2L) w/ new fuel
cap, fuel valve, fuel filter, and fuel line
415 Heavy Duty chain with chain guard
Ball bearing chain tensioner
Ultra-quiet muffler (Stainless steel with
sound insulation cotton inside)
Throttle assembly w/ gooseneck style
throttle cable
Twist throttle & cable w/ grip & kill switch
New quick release clutch handle
Large front mount for bikes with large down
tubes
Available with 36, 44, 48 tooth rear sprocket
Spark plug socket & gear removal tool