Suzuki 125 - Service Data; Valve + Guide; Camshaft + Cylinder Head

98 RV125K7 (’07-MODEL)
SERVICE DATA
VALVE + GUIDE Unit: mm
CAMSHAFT + CYLINDER HEAD Unit: mm
ITEM STANDARD LIMIT
Valve diam. IN. 25.5 —
EX. 22.5 —
Valve clearance (when cold) IN. 0.03 – 0.08 —
EX. 0.13 – 0.18 —
Valve guide to valve stem
clearance
IN. 0.010 – 0.037 —
EX. 0.030 – 0.057 —
Valve guide I.D. IN. & EX. 5.000 – 5.012 —
Valve stem O.D. IN. 4.975 – 4.990 —
EX. 4.955 – 4.970 —
Valve stem deflection IN. & EX. — 0.35
Valve stem runout IN. & EX. — 0.05
Valve head thickness IN. & EX. — 0.5
Valve stem end length IN. & EX. — 1.7
Valve seat width IN. & EX. 0.9 – 1.1 —
Valve head radial runout IN. & EX. — 0.03
Valve spring free length INNER — 31.3
(IN. & EX.) OUTER — 33.6
Valve spring tension
(IN. & EX.) INNER
38.1 – 43.9 N
(3.9 – 4.4 kgf)
at length 26.78 mm
—
OUTER
89.6 – 103 N
(9.1 – 10.5 kgf)
at length 29.78 mm
—
ITEM STANDARD LIMIT
Cam height IN. 33.720 – 33.760 33.420
EX. 33.310 – 33.357 33.010
Camshaft journal oil clearance IN. & EX. 0.032 – 0.066 0.150
Camshaft journal holder I.D. IN. & EX. 22.012 – 22.025 —
Camshaft journal O.D. IN. & EX. 21.959 – 21.980 —
Camshaft runout IN. & EX. — 0.10
Rocker arm I.D. IN. & EX. 12.000 – 12.018 —
Rocker arm shaft O.D. IN. & EX. 11.977 – 11.995 —
Cylinder head distortion — 0.05
Cylinder head cover distortion — 0.05