1984 Official Honda TRX200 Shop Manual, Page 222Get this manual
REAR WHEELFINAL DRIVE
Install the joint stop ring in the groove of the damper camI nstall the final drive case over the damper cam and push it down until the joint stop ring seats in the ini on joint spline groove
Make sure that the joint stop is seated properly by lifting the gear case up lightlyBe carefu not to damage the drive shaft oil seal