2-3
HRX217HYA • HRX217HZA
SERVICE INFORMATION
4. SERVICE SPECIFICATIONS
Units: mm (in)
Part
Item
Standard
Service limit
Engine
Maximum governed speed
3,100 +0/-150 rpm
-
Cylinder compression
0.50 MPa (5.1 kgf/cm
2
, 73 psi)/600 rpm
-
Valves
Valve clearance
IN/EX
0.10 ± 0.02 (0.004 ± 0.001)
-
Valve stem O.D.
IN/EX
5.465 - 5.480 (0.2152 - 0.2157)
5.318 (0.2094)
Valve guide I.D.
IN
5.500 - 5.512 (0.2165 - 0.2170)
5.572 (0.2194)
EX
5.540 - 5.552 (0.2181 - 0.2186)
5.612 (0.2209)
Seat width
IN/EX
0.7 - 0.9 (0.03 - 0.04)
1.8 (0.07)
Valve spring free length
IN/EX
30.5 (1.20)
29.0 (1.14)
Cam pulley
Cam height
IN
34.353 - 34.553 (1.3525 - 1.3604)
34.328 (1.3515)
EX
34.358 - 34.558 (1.3527 - 1.3605)
34.333 (1.3517)
Cam pulley I.D.
10.090 - 10.120 (0.3972 - 0.3984)
10.140 (0.3992)
Rocker arm
Rocker arm I.D.
6.000 - 6.030 (0.2362 - 0.2374)
6.043 (0.2379)
Rocker arm shaft O.D.
5.960 - 5.990 (0.2346 - 0.2358)
5.953 (0.2344)
Rocker arm shaft bearing I.D.
6.000 - 6.018 (0.2362 - 0.2369)
6.043 (0.2379)
Cylinder
Sleeve I.D.
66.000 - 66.015 (2.5984 - 2.5990)
66.165 (2.6049)
Piston
Skirt O.D.
65.970 - 65.990 (2.5972 - 2.5980)
65.85 (2.5925)
Piston-to-cylinder clearance
0.010 - 0.045 (0.0004 - 0.0018)
0.085 (0.0033)
Piston pin bore I.D.
13.002 - 13.016 (0.5119 - 0.5124)
13.048 (0.5137)
Piston pin
Pin O.D.
12.994 - 13.000 (0.5116 - 0.5118)
12.954 (0.5100)
Piston rings
Ring width
Top
0.935 - 0.950 (0.0368 - 0.0374)
0.890 (0.0350)
Second
0.975 - 0.990 (0.0384 - 0.0390)
0.930 (0.0366)
Oil
2.380 - 2.460 (0.0937 - 0.9685)
2.370 (0.0933)
Ring side clearance
Top
0.055 - 0.089 (0.0022 - 0.0035)
0.190 (0.0075)
Second
0.015 - 0.049 (0.0006 - 0.0019)
0.15 (0.006)
Oil
0.045 - 0.144 (0.0018 - 0.0057)
0.240 (0.0094)
Ring end gap
Top
0.20 - 0.30 (0.008 - 0.012)
1.0 (0.04)
Second
0.30 - 0.40 (0.012 - 0.016)
1.0 (0.04)
Oil (side rail)
0.20 - 0.45 (0.008 - 0.018)
1.0 (0.04)
Connecting rod
Small end I.D.
13.005 - 13.020 (0.5120 - 0.5126)
13.07 (0.515)
Big end I.D.
28.020 - 28.033 (1.1031 - 1.1036)
28.066 (1.1050)
Big end oil clearance
0.040 - 0.063 (0.0016 - 0.0025)
0.120 (0.0047)
Big end axial clearance
0.10 - 0.50 (0.004 - 0.020)
0.80 (0.031)
Crankshaft
Main journal O.D. (PTO side)
27.980 - 27.993 (1.1016 - 1.1021)
27.933 (1.0997)
Main journal O.D. (Flywheel side)
25.380 - 25.393 (0.9992 - 0.9997)
25.333 (0.9974)
Crank pin O.D.
27.970 - 27.980 (1.1012 - 1.1016)
27.920 (1.0992)
Case Cover
Main journal I.D.
25.420 - 25.441 (1.0008 - 1.0016)
25.466 (1.0026)
Crankshaft axial clearance
0.15 - 0.65 (0.006 - 0.026)
1.0 (0.04)
Crank Case
Main journal I.D.
28.020 - 28.041 (1.1031 - 1.1040)
28.066 (1.1050)
Spark plug
Gap
0.70 - 0.80 (0.028 - 0.031)
-
Ignition coil
Resistance
Primary coil
0.4 - 0.6
Ω
-
Secondary coil
8.3 - 12.5 k
Ω
-
Air gap (at flywheel)
0.30 - 0.50 (0.012 - 0.020)
-
Содержание HRX217K6HYA
Страница 3: ...ii NOTES ...
Страница 4: ...1 1 1 SPECIFICATIONS 1 SPECIFICATIONS 1 2 3 WIRING DIAGRAM HZA TYPE 1 4 2 DIMENSIONAL DRAWINGS 1 3 ...
Страница 35: ...2 28 SERVICE INFORMATION HRX217HYA HRX217HZA NOTES ...
Страница 53: ...3 18 MAINTENANCE HRX217HYA HRX217HZA NOTES ...
Страница 54: ...4 1 4 ROTO STOP DRIVE BELT 1 ROTO STOP 4 2 2 DRIVE BELT 4 10 ...
Страница 66: ...6 1 6 MUFFLER 1 REMOVAL INSTALLATION 6 2 6 ...
Страница 75: ...7 8 RECOIL STARTER HRX217HYA HRX217HZA NOTES ...
Страница 91: ...8 16 FUEL SYSTEM HRX217HYA HRX217HZA NOTES ...
Страница 131: ...10 26 CAM PULLEY CRANKSHAFT PISTON CYLINDER HRX217HYA HRX217HZA NOTES ...
Страница 149: ...12 10 VARIABLE MOWING SYSTEM MOWER DECK WHEELS HRX217HYA HRX217HZA NOTES ...
Страница 150: ...13 1 13 TRANSMISSION 1 REMOVAL 13 2 2 INSTALLATION 13 4 ...
Страница 167: ...14 12 OPERATION HRX217HYA HRX217HZA NOTES ...
Страница 169: ...HRX217HYA HRX217HZA V Valve Clearance Adjustment 3 12 Valve Clearance Check Adjustment 3 12 Versamow System 14 1 ...