Checking Clutch
a.Friction plates (Friction plate) Check whether the friction plate is worn, replace worn out when it exceeds 0.3 mm and the size standardnya, or showing symptoms of an uneven relationship with palat plot.
b.Checking the clutch plate clutch steel plate check, whether it has a thin, charred or bangkok, for rnemeriksa whether curved plate clutch, use the plate plane, if crooked exceeding 0.05 mm a lot of work with an uncertain then the clutch plates should be replaced.
c.Checking Off the spring free length Measure the spring off and replace with new ones when there is 0.2 mm shorter than the standard size

d.primary dental check collar (Primary gear collar). speser collar retaining primary teeth in the bush gear. motion primary (main) and check radial distance play. Enter speser should be easy and smooth, if there are scratches on the collar should be replaced. Should attach the collar to the main axis and also should be easily adjustable. See if speser can easily and smooth on the main shaft and wheel bush the primary motion. At installation time give a little oil on those parts.
e.Check the bush clutch clutch plate flow path holding on the clutch and rotating bush. Check whether the flow has a thin, if not clean the line before installation done.
f.Check the clutch assembly house Rubber silencer installed in the coupling between the primary motion of gears and clutch house. The function of the rubber damper is to reduce noise such as teeth or tooth removal at low or high speeds. Check the distance between the main plot of the wheel house gig motion trigger, if the distance of the game too much change.
check the clutch if there are scratches or defects then rub with sandpaper or replace if there are openings claw hand due to the contiguity between the plates rub paws with a cause excessive wear, then replace it with a new clutch house.
g.Checking the ballast roller assembly roller weight Check whether crack or defect and whether multiple rolls of charred or movements are not smooth, if such a weight rollers should be replaced with new ones.
If there was a rattling at the primary reduction gear, then this indicates backlash (gap allowances) is too large and vice versa if the buzzing sound indicates the backlash is too small (not enough) To know the backlash, should
formerly known number of primary motion and wheel motion. number or letter of this code are available at the primary drive and gear drive. Number two digits are the specific code number for the type of Yamaha motorcycles. Check whether there are defects or cracks on the surface of the tooth, if the rattling sound, replace the tooth using a larger number, otherwise if there was a roar, replace the tooth using a smaller number

h.Checking the ratchet mechanism Check whether the tongue wheel (paw) has been worn out and also check whether the claws had been worn or damaged, if so then replace the

Check offspring (pawl spring) whether the voltage has been weak, broken or damaged then replace it!
In the clutch cable how to use the examination is as follows:
a.Measure the distance the clutch free play at the end of the handle of the clutch free play distance between 10-20 mm
b.If the distance the clutch free play is too large, the operation will be difficult gear and vehicles tend to go jump in the early start.
c.If the distance the clutch free play is too small will cause clutch slippage.
In the automatic clutch system, the way the
examination is as follows:
a.Turn on the engine and gearbox put into first gear and the clutch pedal is pressed the foot fixed.
b.Gas exaggerated hand as he felt and make sure that the bike should not have excessive movement or attempt to move forward.
c.Check also the first movement / start progress does not feel there was a jolt and the transfer of each level of the gears easily or smoothly.