Valve spring free
length(IN. & EX.)
Service limit
37.80 mm
(1.488 in)
37.64 mm
(1.482 in)
Valve spring
tension
(IN. & EX.)
Standard
12.0~13.9 kgf
(26.7~30.6 lbs)
at length 33.7 mm (1.33 in)
30.0 kgf
(66.1 lbs)
at length 27.95 mm (1.10 in)
Standard
57.000~57.015 mm
(2.2441~2.2447 in)
Service limit
57.080 mm
(2.2473 in)
Cylinder bore
Standard
44.000~44.015 mm
(1.7323~1.7329 in)
Service limit
44.080 mm
(1.7354 in)
Cylinder bore
Cylinder distortion
Service limit
0.05 mm (0.002 in)
Venier calipers : 09900-20101
CAM CHAIN TENSION ADJUSTER
Check that the push rod slides smoothly with the lock
shaft handle
clockwise.
If it does not slide smoothly, replace the cam chain ten-
sion adjuster with a new one.
Thickness gauge : 09900-20806
Cylinder gauge set : 09900-20508
CYLINDER BORE
Measure the cylinder bore diameter at six place. If any
one of the measurements exceeds the limit, overhaul
the cylinder and replace the piston with an oversize, or
replace the cylinder.
CYLINDER DISTORTION
Check the gasketed surface of the cylinder for distor-
tion with a straightedge and thickness gauge, taking a
clearance reading at several places as indicated.
I f t h e l a r g e s t r e a d i n g a t a n y p o s i t i o n o f t h e
straightedge exceeds the limit, replace the cylin-
der.
ENGINE 3-22
Summary of Contents for 2002 Comet 125
Page 1: ...SERVICE MANUAL 99000 94710 SERVICE MANUAL HYOSUNG MOTORS MACHINERY INC ...
Page 5: ...NOTE Difference between photographs and actual motorcycles depends on the markets ...
Page 13: ...EXTERIOR ILLUSTRATION 1 7 GENERAL INFORMATION ...
Page 96: ...CARBURETOR FUEL SYSTEM 4 4 ...
Page 118: ...LAMP HEADLAMP TURN SIGNAL LAMP TAIL BRAKE LAMP Front Rear ELECTRICAL SYSTEM 5 16 ...
Page 138: ...FRONT FORK CHASSIS 6 14 ...
Page 144: ...FRONT FORK CHASSIS 6 20 ...