Get Peak Performance from Two-Stroke EnginesDo you spend more time trying to start your weed trimmer than you do enjoying your backyard? With this how-to guide, you can win the battle with the temperamental two-stroke engine.Written by long-time mechanic and bestselling author Paul Dempsey, Two-Stroke Engine Repair & Maintenance shows you how to fix the engines that power garden equipment, construction tools, portable pumps, mopeds, generators, trolling motors, and more. Detailed drawings, schematics, and photographs along with step-by-step instructions make it easy to get the job done quickly. Save time and money when you learn how to:Troubleshoot the engine to determine the source of the problemRepair magnetos and solid-state systems--both analog and digital ignition modulesAdjust and repair float-type, diaphragm, and variable venturi carburetorsFabricate a crankcase pressure testerFix rewind starters of all typesOverhaul engines--replace crankshaft seals, main bearings, pistons, and ringsWork with centrifugal clutches, V-belts, chains, and torque converters
Author(s): Paul Dempsey
Edition: 1
Year: 2009
Language: English
Pages: 208
Tags: Транспорт;Двигатели внутреннего сгорания (ДВС);Техническое описание и ремонт ДВС;Двигатели с искровым зажиганием;
Contents......Page 8
Introduction......Page 12
Two-cycle operation......Page 16
Displacement......Page 25
Compression ratio......Page 26
Torque and horsepower......Page 27
Premix......Page 28
Cooling......Page 29
Emissions......Page 31
The four-cycle option......Page 35
Cleaner two-cycle exhaust......Page 38
Marks of quality......Page 43
The learning curve......Page 46
Safety......Page 47
Conclusion......Page 49
2 Troubleshooting......Page 50
Tools and supplies......Page 51
Preliminaries......Page 52
Tests......Page 55
Complaints......Page 63
3 Ignition systems......Page 66
Flywheel......Page 67
E-gap......Page 71
Magnetos......Page 72
Spark plugs......Page 80
Summary......Page 83
Fuel filters......Page 84
Fuel lines......Page 85
Air filters......Page 86
Carburetors......Page 88
A last word......Page 124
Troubleshooting......Page 126
Overview......Page 127
Clutch-type starters......Page 131
Ratchet drive......Page 137
Things to remember......Page 142
Tests......Page 144
Overview......Page 146
Fasteners......Page 147
Philosophy......Page 149
Cylinder head......Page 150
Rings and piston......Page 152
Cylinder bores......Page 163
Lower end......Page 167
Now that the hard part is done......Page 175
Centrifugal clutches......Page 176
V-belts......Page 179
Belt-driven torque converter......Page 183
Drive chains......Page 187
Geared drives......Page 188
Friction drive......Page 193
Sign off......Page 194
Index......Page 196
C......Page 198
E......Page 199
G......Page 200
M......Page 201
R......Page 202
T......Page 203
Z......Page 204
