Teeth clenching or grinding -- a behavior known as bruxism -- is a common problem that can lead to broken teeth, enamel damage, headaches, and temporomandibular joint (TMJ) disorders. The term bruxism comes from the Greek word brychein, which means to grind or gnash the opposing rows of upper and lower teeth..
Begin riding by putting the motorcycle in first gear. Slowly release the clutch lever while adding throttle. Once you release the clutch lever all the way, increase the throttle to add speed. To learn how to change gears, refer to your tachometer and operator's manual and listen closely to the sound of the engine.Change gears by quickly squeezing the clutch lever while simultaneously releasing the throttle.rientation: The shift lever is located on the left side when astride the motorcycle. It is operated by your left toe. The heel of your foot will rest on a larger peg while the toe of your foot is used to lift up or push down on the shift lever to change gears.
Grasp the gear sleeve and wiggle it out of the tailshaft housing. Pull the plastic gear -- the driven gear -- off of the shaft protruding from the gear sleeve or pull the entire shaft out of the gear sleeve. Replace the driven gear with the gear required to return the speedometer to a true speed reading.Aftermarket TH400 gears are color-coded; consult your manufacturer's gear ratio chart to determine the color gear you need. Dip the new gear into transmission fluid.Clean the gear sleeve O-ring off with a rag, moisten it with fluid and reinstall it into the housing. Reinstall the bolt and tighten it to 25 foot-pounds. Screw the speedometer cable back onto the sleeve.ip the new gear into transmission fluid. Clean the gear sleeve O-ring off with a rag, moisten it with fluid and reinstall it into the housing. Reinstall the bolt and tighten it to 25 foot-pounds. Screw the speedometer cable back onto the sleeve.