logo
welcome
TopSpeed

TopSpeed

The Milwaukee-Eight 121 V-Twin is the most powerful Harley-Davidson V-Twin ever

TopSpeed
Summary
Nutrition label

62% Informative

Harley-Davidson's Milwaukee -Eight 121 V-Twin produces 120 horsepower and 130 pound-feet of torque.

The 121 packs modern engine features that help elevate its sporty side.

The coolest example of this V-twin's wild and athletic side is best depicted with the CVO Road Glide ST .

The High Output version of the 121 produces an impressive 127 horsepower and a mind-boggling 145 .

The Milwaukee -Eight 121 V-Twin engine is a long-stroke version of the 117 .

It has Variable Valve Timing technology that broadens the power and torque curve across the rev range.

The airbox can hold about 50 percent more air than the 117's Heavy Breather.

The exhaust system has a larger muffler diameter of 4.5 inches .

The CVO Street Glide and Road Glide pack the "standard" version that produces 115 horsepower and 139 pound-feet of torque.

The 121 HO is the most powerful version of this engine.

VR Score

49

Informative language

45

Neutral language

31

Article tone

formal

Language

English

Language complexity

30

Offensive language

possibly offensive

Hate speech

not hateful

Attention-grabbing headline

detected

Known propaganda techniques

not detected

Time-value

long-living

External references

16

https://www.topspeed.com/why-torque-matters-more-than-horsepower-on-a-motorcycle/?utm_source=syndicationhttps://www.topspeed.com/most-powerful-harley-davidson-on-the-market-today/?utm_source=syndicationhttps://www.topspeed.com/most-powerful-harley-davidson-cvo-bikes-ever/https://h-dmediakit.com/us/news-articles/long-version-new-harley-davidson-cvo-motorcycles-deliver-extraordinary-design,-performance-and-technology.html?utm_source=syndicationhttps://www.topspeed.com/harley-davidsons-new-2025-touring-bike-range/?utm_source=syndicationhttps://www.topspeed.com/most-powerful-harley-davidson-cvo-bikes-ever/?utm_source=syndicationhttps://www.topspeed.com/how-indian-challenged-harley-davidson-with-liquid-cooling/?utm_source=syndicationhttps://www.topspeed.com/the-real-difference-between-harley-davidson-and-indian-bikes/?utm_source=syndicationhttps://www.topspeed.com/tag/harley-davidson/?utm_source=syndicationhttps://www.harley-davidson.com/us/en/index.htmlhttps://www.topspeed.com/why-you-should-own-the-harley-davidson-breakout-117/?utm_source=syndicationhttps://www.topspeed.com/everything-we-love-about-the-harley-davidson-milwaukee-eight-engine/?utm_source=syndicationhttps://www.topspeed.com/best-american-v-twin-engines-ranked-by-power/https://www.hotcars.com/2024-harley-davidson-cvo-road-glide-st-performance-bagger/?utm_source=syndicationhttps://www.hotcars.com/variable-valve-timing/?utm_source=syndicationhttps://www.topspeed.com/everything-we-love-about-the-harley-davidson-milwaukee-eight-engine/

Affiliate links

no affiliate links