CF MOTO ZForce 950EX - Page 19

02-19
02 Specications/Vehicle Data
Cylinder / Piston / Piston Ring / Connecting Rod / Crankshaft
Item Standard - mm Limit Remark
Cylinder compression pressure 1000kPa --
Cylinder taper 0.038 0.090
Cylinder roundness 0.015 0.020
Cylinder hole clearance 90.99~91.01 --
Piston diameter 90.94~90.96 90.85
Above 8mm from
piston bottom
Piston and cylinder clearance 0.04~0.06 0.10
Cylinder upside and bottom atness 0.03 0.05
Piston ring gap clearance
1st 0.15~0.30 1.35
2nd 0.15~0.30 1.35
Oil 0.2~0.7 1.5
Piston ring thickness
1st 1.17~1.19 --
2nd 1.47~1.49 --
Oil 2.37~2.47 --
Piston ring groove depth
1st 1.21~1.23 --
2nd 1.51~1.53 --
Oil 2.50~2.52 --
Piston ring/groove thickness
1st 0.02~0.06 0.15
2nd 0.02~0.06 0.15
Oil 0.03~0.15 0.25
Piston pin hole inner diameter 22.004~22.010 --
Connecting rod small end inner diameter 22.01~22.02 22.06
Piston pin hole inner diameter 21.995~22.000 21.980
Piston pin hole/piston pin clearance 0.004~0.015 0.08
Connecting rod small end hole/piston
pin clearance
0.010~0.025 0.08
Connecting rod big end axial clearance 0.3~0.56 0.8
Connecting rod journal diameter 43.930~43.950 43.915
Connecting rod big end bearing diameter 43.970~44.000 44.03
Connecting rod big end radial clearance 0.028~0.049 0.09
Crankshaft main journal diameter 41.960~41.970 41.935
Crankcase main bearing hole diameter 41.980~42.020 42.10
Crankshaft main journal radial clearance 0.02~0.05 0.09
Crankshaft axial clearance 0.26~0.54 0.64
Oil Pump
Oil pump rotor
Clearance between inner and outer
rotor
0.06mm~0.14mm
Clearance between outer rotor and
bore
0.09mm~0.15mm
Rotor end clearance 0.023mm~0.109mm
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