Two-Stroke vs. Four-Stroke Characteristics

• Conventional Two-Strokes

• 1.6 times the power-to-weight ratio of traditional four-strokes

• Greater low-speed torque for better acceleration

• Fewer parts, lighter, more compact and less costly to produce

• Conventional Four-Strokes

• Lower emissions

• Perceived by consumers as more reliable

• Less powerful than two strokes

• Generally quieter

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