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Service data
VALVE + GUIDE Unit: mm (in)
ITEM
| STANDARD
| LIMIT
| Valve diam.
| IN.
| 22.4
(0.88)
|
--
| EX.
| 20.0
(0.79)
| --
| Valve lift
| IN.
| * 6.2
(0.24)
|
--
| EX.
| * 6.2
(0.24)
| --
| Valve clearance (when cold)
| IN.
| * 0.13 -0.18
(0.005 -0.007)
| --
| EX.
| * 0.20-0.25
(0.008 -0.010)
| --
| Valve guide to valve stem clearance
| IN.
| * 0.020-0.047
(0.0008 -0.0019)
| --
| EX.
| 0.040 -0.067
(0.001 6 -0.0026)
| --
| Valve stem deflection
| IN. & EX.
| --
| 0.35
(0.014)
| Valve guide l.D.
| IN. & EX.
| 4.500-4.51 2
(0.1772 -0.1776)
|
--
| Valve stem O.D.
| IN.
| * 4.465 -4.480
(0.1758 -0. 1764)
|
--
| EX.
| 4.445 -4.460
(0.1750-0. 1756)
|
--
| Valve stem runout
| IN. & EX.
|
--
| 0.05
(0.002)
| Valve head thickness
| IN. & EX.
| --
| 0.5
(0.02)
| Valve stem end length
| IN. & EX.
|
--
| 2.7
(0. 1 1)
| Valve seat width
| IN. & EX.
| 0.7 -0.9
-
(0.03 -0.04)
|
-
| Valve head radial runout
| IN. & EX.
|
--
| 0.03
(0.001)
| Valve spring free length (IN. & EX.)
| INNER
|
--
| 32.6
(1.28)
| OUTER
|
--
| 37.3
(1.47)
| Valve spring tension (IN. & EX.)
|
INNER
| 6. 5 -7.5 kg
(14.3-16.5 lbs)
at length 28.6 mm (1.13 in)
|
--
|
OUTER
| 8.8 -10.2 kg
(19.4-22. 5 lbs)
at length 31.6 mm (1.24 in)
|
--
| A sterisk mark (*) indicates the new GSF400P model specifications.
CAMSHAFT + CYLINDER HEAD Unit: mm (in)
ITEM
| STANDARD
| LIMIT
| Cam height
| IN.
| * 32.222 -32.278
(1.2686 -1.2708)
| * 31.930
(1.2571)
| EX.
| * 32.372 -32.428
(1.2745 -1.2767)
| * 32.030
(1.2610)
| Camshaft journal oil clearance
| IN. & EX.
| 0.032 -0.066
(0.0013 -0.0026)
| 0.1 50
(0.0059)
| Camshaft journal holder l.D.
| IN. & EX.
| 22.01 2 -22.025
(0.8666-0.8671)
|
--
| Camshaft journal O.D.
| IN. & EX.
| 21.959 -21.980
(0.8645 -0.8654)
| --
| Camshaft runout
| IN. & EX.
| --
| 0.10
(0.004)
| Cam chain 20-pitch length
|
--
|
(5.63)
| Cam chain pin (at arrow " 3")
| 20 th pin
| --
| Rocker arm l.D.
| IN. & EX.
| 12.000 -12.018
(0.4724-0.4731)
| --
| Rocker arm shaft O.D.
| IN. & EX.
| 1 1.973-11.984
(0.4714-0.4718)
|
--
| Cylinder head distortion
| --
| 0.20
(0.008)
|
CYLINDER + PISTON + PISTON RING Unit: mm (in)
ITEM
| STANDARD
| LIMIT
| Compression pressure
| 1000-1450 kPa
(10-14.5 kg/cm2)
142-206 psi
| 800 kPa
(8 kg/cm2)
1 14 psi
| Compression pressure difference
|
--
| 200 kPa
(2 kg/cm2)
28 psi
| Piston to cylinder clearance
| 0.050 -0.060
(0.0020 -0.0024)
| 0. 120
(0.0047)
| Cylinder bore
| 56.000-56.015
(2.2047 -2.2053)
| 56.080
(2.2079)
| Piston diam.
| 55.945 -55.960
(2.2026 -2.2031)
Measure at 10 mm (0.4 in) from the skirt end.
| 55.880
(2.2000)
| Cylinder distortion
|
--
| 0.20
(0.008)
| Piston ring free end gap
| 1st
| R
| Approx. 5.6
| 4.5
(0.18)
| 2nd
| RN
| Approx. 5.9
| 4.7
(0.19)
| Piston ring end gap
| 1st
| 0.1 5 -0.30
(0.006 -0.012)
| 0.5
(0.02)
| 2nd
| 0.30-0.45
(0.01 2 -0.018)
| 0.5
(0.02)
|
| | (0.22)
(0.23)
Asterisk mark (*) indicates the new GSF400P model specifications.
ITEM
| STANDARD
| LIMIT
| Piston ring to groove clearance
| 1st
|
--
| 0.180
(0.0071)
| 2nd
|
--
| 0.1 50
(0.0059)
| Piston ring groove width
| 1st
| 0.81 -0.83
(0.032 -0.033)
|
--
|
| 2nd
| 0.81 -0.83
(0.032 -0.033)
|
-
|
-
| Oil
| 1.51-1.53
(0.059 -0.060)
|
-
|
-
| Piston
| ring thickness
| 1st
| 0.77 -0.79
(0.030-0.031)
|
--
| 2nd
| 0.77 -0.79
(0.030-0.031)
|
-
|
-
| Piston
| pin
| bore
| 16.002-16.008
| 16.030
| (0.6300-0.6302)
| (0.6311)
| Piston
| pin
| O.D.
| 15.995 -16.000
| 15.980
| (0.6297 -0.6299)
| (0.6291)
|
CONROD + CRANKSHAFT Unit: mm (in)
ITEM
| STANDARD
| LIMIT
| Conrod small end l.D.
| 16.010-16.018
| 16.040
| (0.6303 -0.6306)
| (0.631 5)
| Conrod big end side clearance
| 0.10-0.20
| 0.30
| (0.004-0.008)
| (0.01 2)
| Conrod big end width
| 16.95 -17.00
(0.667 -0.669)
|
--
| Crank pin width
| 17. 10-17.15
(0.673 -0.675)
|
--
| Conrod big end oil clearance
| 0.024-0.048
| 0.080
| (0.0009 -0.0019)
| (0.0031)
| Crank pin O.D.
| 29.976 -30.000
(1.1802-1. 1811)
|
-
| Crankshaft journal oil clearance
| 0.01 2 -0.036
| 0.080
| (0.0005 -0.0014)
| (0.0031)
| Crankshaft journal O.D.
| 31.976 -32.000
(1.2589 -1.2598)
|
--
| Crankshaft thrust bearing thickness
| Left side
| 2.350-2.500
(0.0925 -0.0984)
|
--
| Right side
| 2.425 -2.450
(0.0955 -0.0965)
|
-
|
-
| Crankshaft thrust clearance
| 0.045 -0.100
(0.0018 -0.0039)
|
--
| Crankshaft runout
|
--
| 0.05
(0.002)
|
|