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Subaru Robin Power Products EH12-2, EH17-2, EH25-2 manual

Models: EH12-2, EH17-2, EH25-2

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Subaru Robin Power Products EH12-2, EH17-2, EH25-2 manual

Contents

Page Section CONTENTSTitle PagePage Model I.SPECIFICATIONSEH12-2 EH12-2BEH17-2 ModelEH17-2B EH17-2BSEH25-2 ModelEH25-2 E H 2 5 - 2 6 s2-2 CONTINUOUS RATED OUTPUT 2-1 MAXIMUMOUTPUT2-3 MAXIMUM TORQUE 8 2-4 PERFORMANCECURVES 0 EHlPD, B for B type HP kW +3l23000 40000 EH17D N . m kgfamfor B tvDe 3000HP kW 3000IMAXIMUM HORSEPOWERNET EH25D, B N . m kgf-m4. GENERAL DESCRIPTIONOF ENGINE COMPONENTS 3. FEATURESThe crankshaft is forged carbon steel, and the crank The intake valve is located on flywheelside of the cylinder head against load variations Theenginesareequippedwithahorizontaldraft AUTOMATIC DECOMPRESSOR SYSTEM 4-16 DECOMPRESSION SYSTEMFUEL TANK 4-17 SECTIONAL VIEW OF ENGINEFLYWHEEL MAIN BEARING COVERPUSH ROD ROCKER ARM5. DISASSEMBLY AND REASSEMBLY Procedures 5-3 DISASSEMBLYPROCEDURESPart to remove RemarksStep Part to remove ProceduresWipe off spilt fuel socket wrenchBLOWER HOUSING Procedures4pcs Remarks I Tool1pc. EH25-2 starter ProceduresRemarks 2pcs Step Partto remove Procedures10 Governor lever, Governor rod and Governor spring speed control leverI Remarks ProceduresRemove starterpulley from flywheel M6 X 25mm Screw Remarks Proceduresstep M8 BOLT and WASHER 8 pcs. EH25-2 coverProcedures Page oil seal Step Partto removeProceduresRemarksTooCRANKSHAIT Dtype Intake valve 1Clean parts throughly before reassembly VALVE RECESS EH12-2 M 6 X 34 mm flangebolt2pcsM7 X 37 mm flange bolt 2pcs. EH17-2Page SPACER SHIMS Place spacers chosen at procedure1 on crankshaft and camshaft ft4b kgcmEH17-2,25-2NGK B6HS Spark plug43-47 ft*lb 59-63 N-m54-15 CARBURETOR 54-16 GOVERNOR SYSTEMPage Install the head cover to the cylinder head 6. IGNITION SYSTEM 7 cn Stop switch 6-3 WIRING DIAGRAM12VOLT BATTERY MtNIMUM AMP.HR STANDARDCRESCENT EXHAUST 7. AUTOMATIC DECOMPRESSION SYSTEM8. CARBURETOR 21 -@ B 1Remove the boltl2and take out float chamber bodyl3 9-1 RECOIL STARTER 9. STARTING SYSTEMcase do not abruptly put off your of the spring onto the notchof the reel and rewind the spring into the housingIO. TROUBLESHOOTING Check the followings for lackof sparks 1Poor quality gasoline 11. INSTALLATION STDLimit 12. SERVICE DATALmit EH12-2EH17-2 STD Lmit CYLINDERPISTON Lmitr EH25-2 DittoSTD Limit STD Limit Uni rnm inTEH17-2 0 Ring groovesideclearance1 EH25-2 STD Limit0.0591 0.004ZONNECTING ROD EH12-2 STDLimitCRANKSHAR 0.010Limit EH17-2CRANKSHAFT 0.0047EH25-2 lTEMCRANKSHAFT Unit mm inEH12-2 / EH17-2 STDLimitVALVE coldEH25-2 LimitZAMSHAFT VALVE0.3134 STDLimit8.000-8.015 0.3150 0.001 0EH12-2117-2 EH25-2STDlimit STDLimitDESCRIPTION 12-2TORQUESPECIFICATIONS EH12-2/ 17-2 typeTIGHTENING TORQUE EH25-2 typeComparison between oil viscosity and temparature Single grade 12-3 OIL GRADE CHARTSpecified Lubrican Multi- gradeI 1 Change crankcaseoil 13. MAINTENANCE AND STORAGE1 Clean fuelfilter and fuel tank Page SU6ARU ~bin America, Inc940 LivelyBlvd. l WoodDale,IL 60191 l e-mail sale.s@robinamerica.com