Briggs & Stratton 4-Stroke Overhead Valve from 1988

TABLE OF CONTENTS 1- DESCRIPTION & OPERATION FOUR-STROKE ENGINE OPERATION 1-1 COOLING 1-4 ENGINE "BUILD-UP" COMPONENTS 1-4 MODEL NUMBER GUIDE 1-5 ENGINE IDENTIFICATION 1-6 2- TROUBLESHOOTING PROCEDURES 2-1 ENGINE CHECKOUT 2-2 FLOW CHART INDEX 2-4 Chart #1 Eng. fails to start 2-5 Chart #2 Crankshaft fails to rotate hand starter 2-8 Chart #3 Crankshaft fails to rotate elec. cranking mtr. 2-9 Chart #4 Engine lacks pwr. 2-10 Chart #5 Engine skips or misses 2-13 Chart #6 Engine vibrates 2-15 Chart #7 Engine knocks or is noisy 2-18 Chart #8 Engine overheats 2-23 Chart #9 Engine idles poorly 2-26 Chart #10 -- Engine stalls on acceleration 2-27 Chart #11 Engine surges 2-31 Chart #12 Carburetor requires adjustment 2-35 Chart #13 -- Ignition system inoperative 2-38 3- TUNING INTRODUCTION 3-1 TUNE-UP SEQUENCE 3-1 SPARK PLUG EVALUATION 3-2 SERVICE AIR CLEANER 3-3 THROTTLE, CHOKE, GOVERNOR LINKAGE 3-4 SERVICE BATTERY 3-6 CLEAN COOLING FINS 3-7 COMPRESSION TEST 3-8 CHECK IGNITION SYSTEM 3-8 SERVICE FUEL SYSTEM 3-9 CARBURETOR FINAL ADJUSTMENTS 3-10 CHANGE CRANKCASE OIL 3-11 CHECK DRIVEN COMPONENT 3-12 4- FUEL INTRODUCTION AND CHAPTER COVERAGE 4-1 GENERAL CARBURETOR INFORMATION 4-1 Carburetors with Float 4-1 GASOLINE, "SOUR" FUEL, AND GASOHOL 4-3 FUEL PROBLEMS 4-4 AIR CLEANERS 4-5 SERVICE FLAT CARTRIDGE AIR CLEANER 4-6 Removal 4-6 Installation 4-6 SERVICE OVAL DUAL ELEMENT AIR CLEANER 4-7 Removal 4-7 Cleaning & Inspecting 4-8 Installation 4-8 SERVICE RECTANGULAR DUAL ELEMENT AIR CLEANER 4-10 Removal 4-10 Installation 4-10 CARBURETOR SERVICE INFORMATION 4-10 SERVICE FLO-JET -- ONE-PIECE SIDE DRAFT CARB.URETOR Removal & Disassembling 4-11 Cleaning & Inspecting 4-15 Assembling & Installation 4-16 CARBURETOR ADJUSTMENT OHV ENGINES 4-22 THROTTLE CONTROLS, CHOKE AND GOVERNOR LINKAGE 4-23 MECHANICAL GOVERNOR 4-26 Static Adjustment 4-27 5- IGNITION INTRODUCTION AND CHAPTER COVERAGE 5-1 SPARK PLUG EVALUATION 5-1 SERVICE MAGNETRONS 5-4 Removal 5-5 Disassembling 5-6 Cleaning & Inspecting 5-6 Assembling 5-6 Installation 5-6 Air Gap Table 5-7 6- ENGINE BLOCK INTRODUCTION AND CHAPTER COVERAGE 6-1 DISASSEMBLING 6-2 Preparation 6-2 Valves, Valve Retainers, Rocker Arm & Push Rods 6-3 Cylinder Head 6-4 Flywheel 6-5 Oil Pump 6-7 Crankcase Cover 6-8 Camshaft 6-11 Connecting Rod & Piston 6-11 Piston Disassembly 6-12 Crankshaft & Cam Gear 6-13 CLEANING & INSPECTING Breather Valve 6-15 Valves, Springs, & Seats 6-16 Oil Pumps, Stingers & Dippers 6-19 Piston, Rings, & Rod 6-21 Crankshaft Service

Year

1998

Language

English

Publisher

Thomson Delmar Learning

Editions

1

Pages

350

ISBN

9780963766120

Data source: Wikidata