Indiscreet: 121 engine for the new Harley-Davidson CVO

The Milwaukee Eight engine in the new CVO models will therefore grow from 1,923 cc to approximately 1,990 cc (117 to 121 cubic inches). We know this from an image “stolen” on the assembly line, where the “121” is undoubtedly seen on the clutch cover. As seen in Milwaukee’s recent history, the new displacement brings to Custom Vehicle Operation production what was experienced with the most advanced Screamin’ Eagle kit to date (whose displacement in inches was 122). In the meantime, the tuning brand has taken yet another leap forward, reaching 135 cubic inches (over 2200 cc)… If the 117 engine provided 106 HP and 166 Nm, the 121 should deliver 110 HP and just over 170 Nm. Also in this case, as in others in the recent past, the increase in displacement occurs with the increase in bore from 103.5 mm to probably 105 mm, with the stroke unchanged at 114.3 mm as on the 114 and 117 of the large series models.