RV125K4/K5 (’04, ’05-MODELS) 8-3
SERVICE DATA
VALVE + GUIDE
Unit: mm
CAMSHAFT + CYLINDER HEAD
Unit: mm
ITEM STANDARD LIMIT
Valve diam. IN. 30 —
EX. 26 —
Valve clearance (when cold) IN. 0.08 – 0.13 —
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. 5.500 – 5.512 —
Valve stem O.D. IN. 5.475 – 5.490 —
EX. 5.455 – 5.470 —
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. — 2.5
Valve seat width IN. & EX. 0.9 – 1.1 —
Valve head radial runout IN. & EX. — 0.03
Valve spring free length INNER — 36.8
(IN. & EX.) OUTER — 40.1
Valve spring tension
(IN. & EX.)
INNER
76 – 90 N (7.8 – 9.2 kgf)
at length 32.5 mm
—
OUTER
186 – 219 N (18.9 – 22.3 kgf)
at length 36.0 mm
—
ITEM STANDARD LIMIT
Cam height IN. 34.17 – 34.22 33.87
EX. 33.80 – 33.85 33.50
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
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