two-stroke engine

Chainsaw power source

A two-stroke engine completes its power cycle in two piston movements rather than four, combining intake and compression in one stroke, combustion and exhaust in the other.

This design produces more power relative to size and weight but burns fuel less efficiently and produces more emissions.

Two-stroke engines power chainsaws, outboard motors, dirt bikes, and lawn equipment: The chainsaw's two-stroke engine needs oil mixed with the gas.

Related

crankshaft · power band · sputtering · smoky · dirt bike · pit bike · moped · torque · fuel injection · outboard motor · kickstart · motocross · lawnmower · revving · cylinder · throttle · exhaust · blue smoke

Categories
Opposites
engine cycle type

two-stroke enginefour-stroke engine

Piston cycle with four phases

four-stroke · diesel engine · rotary engine

combustion vs non-combustion propulsion

two-stroke engineelectric motor

Converts current to motion

electric engine · hydrogen fuel cell · steam engine · turbine engine

engine operating principle

two-stroke engineelectric motor

Converts current to motion

rotary engine · steam engine · turbine · jet engine · fuel cell

Family

engine, stroke, engines, twofold, two-stroke

Familiarity
Top 500,000
Profile
Used worldwide · Timeless · Concrete · Rated G