EH12, EH17, EH25 - Small Engine Discount
EH12, EH17, EH25 - Small Engine Discount EH12, EH17, EH25 - Small Engine Discount
~ CONNECTING ROD ITEM T STD EH25 Limit Unit: mm (in) Big end inside dia. 34.000 - 34.01 6 (1.3386 - 1.3392) 34.1 0 (1.3425) 0 Clearance between big end and crankpin 0.025 - 0.057 (0.001 0 - 0.0022) 0.2 (0.008) Small end inside dia. 18.01 0 - 18.021 (0.7091 - 0.7095) 18.08 (0.71 18) 0 Clearance between small end and piston pin 0.01 0 - 0.029 (0.0004 - 0.001 1) 0.1 2 (0.0047) 0 Big end side clearance 0.1 -0.7 (0.004 - 0.028) 1 .o (0.040) I CRANKSHAFT 33.959 - 33.975 (1.3370 - 1.3376) 33.85 (1.3327) Journal dia. t" t Dl D2 )TYPE r9.991 -30.000129.988-29.997 1.1 807 i(1.1806 d.181 1) '-1.1 81 0) i TYPE 17.991 -30 1.1 807 .1.1811) 27.988 - 27.997 ~000~(1.1019 1-1.1022) - 64 -
CAMSHAFT ITEM T- STD EH12 / EH17 Limit Unit: mrn (in) Cam height IN.EX. CAMS 29.6 - 29.8 (1.165 - 1.173) 29.45 (1.159) 0 Journal outside dia. "D" type Dl 16.973 - 16.984 (0.6682 - 0.6687) 16.95 (0.6673) D2 14.973 - 14.984 (0.5895 - 0.5899) 14.95 (0.5886) VALVE Valve stem outside dia. IN. 5.440 - 5.455 (0.2142 - 0.2148) 5.35 (0.21 06) EX. 5.426 - 5.444 (0.21 36 - 0.21 43) 5.35 (0.21 06) Clearance between valve stem valve guide dia. and IN. 0.045 - 0.078 (0.0018 - 0.0031) 0.3 (0.01 2) EX. 0.056 - 0.092 (0.0022 - 0.0036) 0.3 (0.012) Valve clearance I N ./EX. (cold) 0.085 - 0.1 15 (0.0033 - 0.0045) n - 65 -
- Page 18 and 19: ROCKER ARM I L - 14 -
- Page 20 and 21: 5-3 DISASSEMBLY PROCEDURES Step Par
- Page 22 and 23: ~~ I Step I Part to remove 1 Proced
- Page 24 and 25: Step Part to remove Procedures Rema
- Page 26 and 27: ~ ~~ ~ ~~ ~~~ ~ I Step Part to remo
- Page 28 and 29: ~~ ~ ~~ Step 18 Part to remove 1 Pr
- Page 30 and 31: Step Part to remove 1 Procedures Re
- Page 32 and 33: Step 26 Part to remove Connecting r
- Page 34 and 35: ~~~~ Step Part to remove Procedures
- Page 36 and 37: TOP RING “N” MARK SECOND RlNC O
- Page 38 and 39: 54-5 BALANCER SHAFT (EH25 type only
- Page 40 and 41: Fig. 5-36 (2) Lubricate the oil sea
- Page 42 and 43: (2) Loosen the lock nut on the rock
- Page 44 and 45: (3) Connect the speed control lever
- Page 46 and 47: 5-5 BREAK-IN OPERATION An engine th
- Page 48 and 49: 6-3 WIRING DIAGRAM STANDARD - Ignit
- Page 50 and 51: 8. CARBURETOR 8-1 OPERATION AND CON
- Page 52 and 53: 8-2-4 MAIN SYSTEM (1) Remove the bo
- Page 54 and 55: (4) Remove the reel from the starte
- Page 56 and 57: (6) Test the operation of the recoi
- Page 58 and 59: 10-1-3 IGNlTfON SYSTEM Check the fo
- Page 60 and 61: 11. INSTALLATION Engine life, ease
- Page 62 and 63: ITEM T EH12 T EH17 Unit: mrn (in) S
- Page 64 and 65: ~~ ~~~ ~ Ring groove ITEM side clea
- Page 66 and 67: ITEM T STD EH12 Limit Unit: mrn (in
- Page 70 and 71: Unit : mm (in) CAMSHAFT ITEM STD EH
- Page 72 and 73: ITEM T STD EH25 Limit Unit: mm (in)
- Page 74 and 75: 12-3 OIL GRADE CHART I 5w I Compari
- Page 76: ~ ~ ~~~~ ~ ~ 13-4 EVERY 100-200 HRS
~<br />
CONNECTING ROD<br />
ITEM<br />
T<br />
STD<br />
<strong>EH25</strong><br />
Limit<br />
Unit: mm (in)<br />
Big end inside dia.<br />
34.000 - 34.01 6<br />
(1.3386 - 1.3392)<br />
34.1 0<br />
(1.3425)<br />
0 Clearance between big end<br />
and crankpin<br />
0.025 - 0.057<br />
(0.001 0 - 0.0022)<br />
0.2<br />
(0.008)<br />
<strong>Small</strong> end inside dia.<br />
18.01 0 - 18.021<br />
(0.7091 - 0.7095)<br />
18.08<br />
(0.71 18)<br />
0 Clearance between small end<br />
and piston pin<br />
0.01 0 - 0.029<br />
(0.0004 - 0.001 1)<br />
0.1 2<br />
(0.0047)<br />
0 Big end side clearance<br />
0.1 -0.7<br />
(0.004 - 0.028)<br />
1 .o<br />
(0.040)<br />
I<br />
CRANKSHAFT<br />
33.959 - 33.975<br />
(1.3370 - 1.3376)<br />
33.85<br />
(1.3327)<br />
Journal dia.<br />
t" t<br />
Dl<br />
D2<br />
)TYPE<br />
r9.991 -30.000129.988-29.997<br />
1.1 807 i(1.1806<br />
d.181 1) '-1.1 81 0)<br />
i TYPE<br />
17.991 -30<br />
1.1 807<br />
.1.1811)<br />
27.988 - 27.997<br />
~000~(1.1019<br />
1-1.1022)<br />
- 64 -
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