Suzuki drz 400E, Service Manual

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DR-Z400EY (E-24 MODEL) 9-5
CA CYLINDER HEAD
Unit: mm (in)
ITEM STANDARD LIMIT
Cam height
IN.
36.910 – 36.960 36.610
(1.4531 – 1.4551) (1.4413)
EX.
36.880 – 36.930 36.580
(1.4520 – 1.4539) (1.4402)
Camshaft journal oil clearance
IN. & EX.
0.019 – 0.053 0.150
(0.0007 – 0.0021) (0.0059)
Camshaft journal holder I.D.
IN. & EX.
22.012 – 22.025
(0.8666 – 0.8671)
———
Camshaft journal O.D.
IN. & EX.
21.972 – 21.993
(0.8653 – 0.8659)
———
Camshaft runout 0.10
———
(0.004)
Cam chain pin (at arrow “3”) 15th pin ———
Cylinder head distortion 0.05
———
(0.002)
Cylinder head cover distortion 0.05
———
(0.002)
CY PISTON RING
Unit: mm (in)
ITEM STANDARD LIMIT
Compression pressure 1 000 kPa
(Automatic de-comp. actuated) ( 10.0 kgf/cm 2 ) ———
142 psi
Piston to cylinder clearance 0.030 – 0.040 0.120
(0.0012 – 0.0016) (0.0047)
Cylinder bore 90.000 – 90.015 Nicks or
(3.5433 – 3.5439) Scratches
Piston diam. 89.965 – 89.980
89.880
(3.5419 – 3.5425)
(3.5386)
Measure at 15 mm (0.6 in) from the skirt end.
Cylinder distortion 0.05
———
(0.002)
Piston ring free end gap
1st R Approx.
6.9 5.5
(0.27) (0.22)
2nd R Approx.
11.5 9.2
(0.45) (0.36)
Piston ring end gap
1st
0.08 – 0.20 0.50
(0.003 – 0.008) (0.020)
2nd
0.08 – 0.20 0.50
(0.003 – 0.008) (0.020)
Piston ring to groove clearance
1st
0.180
———
(0.007)
2nd
0.150
———
(0.006)