SERVICE MANUAL Model EH025/EH035 ENGINE

Table of Contents
1. SPECIFICATIONS
2. PERFORMANCE
2-1  MAXIMUM OUTPUT
2-2  CONTINUOUS RATED OUTPUT
2-3  MAXIMUM TORQUE AND FUEL CONSUMPTION WITH MAXIMUM OUTPUT       
2-4  PERFORMANCE CURVES
3. FEATURES
3-1  THE SMALLEST AND LIGHTEST 4-STROKE ENGINE IN THE MARKET
3-2  4-STROKE ENGINE ALLOWING OPERATION IN THE TILTED POSITION, REQUIRED IN BRUSH CUTTING WORK AND OTHER SIMILAR APPLICATIONS
4. GENERAL DESCRIPTION OF ENGINE COMPONENTS
4-1  CYLINDER BLOCK AND CRANKCASE
4-2  CRANKSHAFT AND CONNECTING ROD
4-3  PISTON
4-4  PISTON RINGS
4-5  CAM GEAR
4-6  COOLING SYSTEM
4-7  LUBRICATION SYSTEM
4-8  IGNITION SYSTEM
4-9  CARBURETOR
4-10  AIR CLEANER
4-11  DECOMPRESSION SYSTEM
4-12  SECTIONAL VIEW OF ENGINE
5. DISASSEMBLY AND REASSEMBLY
5-1  PREPARATIONS AND SUGGESTIONS
5-2  SPECIAL TOOLS
5-3  DISASSEMBLY PROCEDURES
5-4  REASSEMBLY PROCEDURES
6. MAGNETO
6-1  FLYWHEEL MAGNETO
6-2  IGNITION OF MAGNETO
7. AUTOMATIC DECOMPRESSION SYSTEM
7-1  FUNCTION AND MECHANISM
7-2  INSPECTION
8. CARBURETOR
8-1  OPERATION AND CONSTRUCTION
8-2  DISASSEMBLY AND REASSEMBLY
9. RECOIL STARTER
9-1    HOW TO DISASSEMBLE
9-2  HOW TO REASSEMBLE
9-3  CHECK AFTER REASSEMBLE
9-4    OTHER GUIDES
10. TROUBLESHOOTING
10-1  STARTING DIFFICULTIES
10-2  ENGINE MISFIRES
10-3  ENGINE STOPS
10-4  ENGINE OVERHEATS
10-5  ENGINE KNOCKS
10-6  ENGINE BACKFIRES THROUGH CARBURETOR
11.  INSTALLATION
11-1 INSTALLING
11-2  VENTILATION
11-3  EXHAUST GAS DISCHARGE
11-4 POWER TRANSMISSION TO DRIVEN MACHINES
12. SERVICE DATA
12-1  CLEARANCE DATA AND LIMITS
12-2  TORQUE SPECIFICATIONS
12-3  OIL GRADE CHART
13. MAINTENANCE AND STORAGE
13-1  DAILY MAINTENANCE
13-2  INITIAL 20 HRS. MAINTENANCE
13-3  EVERY 50 HRS. (10 DAYS) MAINTENANCE
13-4  EVERY 100-200 HRS. (MONTHLY) MAINTENANCE
13-5  ENGINE STORAGE
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