Measure the mix, keep the fuel fresh, and never lean the mixture to chase power. Twenty-seven chapters cover the diaphragm carburettor, the crankcase that is also a pump, and the pressure test that explains the faults everybody else replaces parts for.
How a two-stroke works and why there is oil in the fuel, safety with cutting tools and fuel, mixing and ethanol and storage, the fuel path from tank to carburettor, the diaphragm carburettor with its service and adjustment, ignition and the flywheel key, the recoil starter, air filtration and exhaust carbon, compression and crank seals, clutches and drives and gearheads, chainsaw bars and chains and oiling, trimmers and brushcutters, blowers and hedge trimmers, vibration and ergonomics, and seasonal storage and recommissioning.
WHAT IS INSIDE
Systematic diagnosis for will not start, starts and dies, and lost power and overheating
4 fully worked cases from first symptom to confirmed cause
13 clear technical diagrams
Chapters on tools and meters, on buying used equipment and judging condition, and on emergency and temporary repairs
Service log and fault log sheets, three appendices and a 20-term glossary
WHO IT IS FOR
Owners of hand-held two-stroke garden and site equipment. Land-based machines only: outboard and marine engines have different fuel, cooling and corrosion problems and are not covered here.