Yamaha YZF-R125 Service Manual: Checking the friction plates
The following procedure applies to all of the friction plates.
1. Check:
- Friction plate
Damage/wear
Replace the
friction plates as a set.
2. Measure:
- Friction plate thickness
Out of specification
Replace
the friction plates as a set.
NOTE:
Measure the friction plate at four places.
A. Friction plate 1
B. Friction plate 2
C. Friction plate 3 (Green)
a. Green paint
Removing the clutch
1. Straighten the lock washer tab.
2. Loosen:
Clutch boss nut "1"
NOTE:
While holding the clutch boss "2" with the universal
clutch holder "3", loosen the clutch boss nut.
...
Checking the clutch plates
The following procedure applies to all of the
clutch plates.
1. Check:
Clutch plate
Damage Replace the clutch
plates as a
set.
2. Measure:
Clutch plate warpage
(with a surface p ...
Other materials:
Specifications
Dimensions:
Overall length:
2015 mm (79.3 in)
Overall width:
660 mm (26.0 in)
Overall height:
1065 mm (41.9 in)
Seat height:
818 mm (32.2 in)
Wheelbase:
1355 mm (53.3 in)
Ground clearance:
155 mm (6.10 in)
Minimum turning radius:
3100 mm (122.0 in)
Weight:
With oil and fuel:
138.0 k ...
Checking the valve seats
The following procedure applies to all of the
valves and valve seats.
1. Eliminate:
Carbon deposits
(from the valve face and valve seat)
2. Check:
Valve seat
Pitting/wear Replace the
cylinder head.
3. Measure:
Valve seat width C "a"
Out of specification Replace
the ...
Assembling the main axle and drive axle
1. Install:
Toothed washer "1"
Circlip "2"
NOTE:
Be sure to install the circlip so that its sharp
edge "a" is facing away from the toothed washer
and gear.
Be sure the circlip ends "b" are positioned at
the axle spline groove "c".
2. Install:
2nd pinion gear "1"
NO ...