EH12, EH17, EH25 - Small Engine Discount

More documents

Recommendations

Info

ITEM T STD EH25 Limit Unit: mm (in) TAPPET Stem outside dia. 8.960 - 8.975 (0.3528 - 0.3534) 0 Guide inside dia. 9.000 9.015 (0.3543- 0.3549) 0 Tappet guide clearance 0.025 - 0.055 (0.001 0 - 0.0022) ROCKER ARM Rocker shaft outside dia. 1 1.986 - 11.994 (0.4719 - 0.4722) 11.92 (0.4693) 0 Rocker arm hole dia. 12.006 12.024 (0.4727- 0.4734) Rocker arm shaft clearance 0.01 2 - 0.038 (0.0005 - 0.0015) VALVE SPRING FREE LENGTH 35.5 (1.4) - 68 -
ITEM T STD EH12/17/25 Limit Unit: rnrn (in) VALVE SEAT ANGLE(IN. EX.) 0 Valve cutter angle(a) 0 Valve contact width(b) a: 90" b : 0.7 - 1 .O (0.028 - 0.039) 2.0 (0.079) 12-2 TORQUE SPECIFICATIONS EH12/17type DESCRIPTION Cylinder head bolts - 270 - 26.5 230 16.6 - 19.5 22.5 kg-cm TIGHTENING TORQUE Nom ft-lb Connecting rod cap bolts EH12 90-115 EH17 8.8-11.2 16.6-19.6 170-200 EH17 EH12 12.2-14.4 6. Flywheel nut 600 - 650 - 63.7 43 - 47 58.8 Main bearing cover bolts 80 - 100 - 9.8 5.7 - 7.2 7.8 Spark plug New spark plug Retightening 120 - 150 - 270 11.8 - 14.7 - 26.5 230 8.7 - 10.9 16.6 - 19.5 22.6 EH25 type DESCRIPTION kg cm TlGHTENfNG TORQUE N-m ft- Ib Cylinder head bolts 340 - 420 33.3 - 41.2 24.6 - 30.3 Connecting rod cap bolts 225 - 275 21.3 - 26.9 16.3 - 19.8 Flywheel nut 600 - 650 58.8 - 63.7 43 - 47 Main bearing cover bolts 170- 190 16.7 - 18.6 12.3 - 13.7 Spark plug New spark plug 120- 150 11.8 - 14.7 8.7 - 10.9 Retightening 230 - 270 22.6 - 26.5 16.6 - 19.5 - 69 -
Page 2 and 3:
ROBIN ROBIN AMERICA, INC. ROBIN TO
Page 4 and 5:
" . 13-1 13-2 13-3 13-4 13-5 13-6 1
Page 6 and 7:
~~~~ ~~ Model TY Pe Bore X Stroke P
Page 8 and 9:
2. PERFORMANCE 2-1 MAXIMUM OUTPUT A
Page 10 and 11:
n 0 EHf7D, B (. ). for B type " kg-
Page 12 and 13:
3. FEATURES 1. The overhead valve d
Page 14 and 15:
4-6 CAMSHAFT ‘I’he camshaft for
Page 16 and 17:
4-12 IGNITION SYSTEM The ignition s
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 68 and 69: ~ CONNECTING ROD ITEM T STD EH25 Li
Page 70 and 71: Unit : mm (in) CAMSHAFT ITEM STD EH
Page 74 and 75: 12-3 OIL GRADE CHART I 5w I Compari
Page 76: ~ ~ ~~~~ ~ ~ 13-4 EVERY 100-200 HRS
show all

EH12, EH17, EH25 - Small Engine Discount

Create successful ePaper yourself

Delete template?

Save as template?