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The 27 pages that link to Four-stroke engine, each with the reason it gives.

• Internal combustion engineBroader topic: Its four piston strokes show how many road engines admit, compress, burn, and expel gases.

• Diesel engineNarrower topic: Many diesel engines convert combustion into work through this four-part cycle.

• Two-stroke engineCompared with: Its separate intake and exhaust strokes avoid the two-stroke’s simultaneous gas exchange.

• Otto cycleBroader topic: Otto's engine made the four-stroke arrangement a defining historical application of the cycle.

• Combustion chamberNarrower topic: Its power stroke uses combustion gases expanding in the chamber.

• Spark-ignition engineBroader topic: Most automotive spark-ignition engines use these four piston strokes.

• Engine knockingRelated: Knock risk rises during the compression and power portions of its cycle.

• Wankel engineNarrower topic: It provides a useful reference for comparing the Wankel’s overlapping chamber cycles.

• Benz Patent-MotorwagenRelated: Benz’s single-cylinder engine used this cycle to turn fuel combustion into motion.

• Gottlieb DaimlerNarrower topic: Daimler’s engines adapted this cycle for higher speeds and compact vehicle use.

• Piston engineBroader topic: Its four piston strokes form the standard cycle used in many piston engines.

• Reciprocating engineBroader topic: Its four piston strokes show a common way reciprocating engines generate repeated power.

• Radial engineNarrower topic: Most aircraft radial engines use this cycle to produce power.

• Étienne LenoirCompared with: Its separate compression stroke made later designs more efficient than Lenoir’s engine.

• Fuel injectionRelated: Its repeating strokes define when injected fuel can mix and burn.

• Valve timingNarrower topic: Its four piston strokes provide the reference cycle for scheduling valve events.

• Alphonse Beau de RochasBroader topic: Beau de Rochas set out the principles behind this engine cycle.

• CamshaftNarrower topic: Its valve events require camshaft timing across two crankshaft revolutions.

• Yamaha Motor CompanyRelated: Four-stroke engines power many Yamaha motorcycles and marine products.

• Flat engineNarrower topic: Many flat engines use this cycle, independent of their cylinder arrangement.

• Giacomo AgostiniCompared with: The four-stroke MV Agusta machines defined the earlier part of Agostini’s Grand Prix career.

• History of the internal combustion engineBroader topic: Otto’s successful engine popularized this operating sequence for petrol engines.

• MinibikeRelated: Four-stroke designs are common in modern recreational minibikes.

• Nicolaus OttoBroader topic: Otto’s engine established the practical four-stroke sequence.

• Petrol engineBroader topic: This cycle is the standard operating sequence for most petrol car engines.

• Pistonless rotary engineCompared with: It performs the same cycle with reciprocating pistons rather than rotating chamber boundaries.

• Ultralight aviationCompared with: It offers an alternative to the light two-stroke engines used in some ultralights.