One of the good reasons to ride a v-twin is the decreasing torque curve. Its kind 0f a built in traction control. As the revs increase the torque eitherstays flat or decreases, post peak torque anyway.
If you look at just the torque curve on a inline 4 they tend to increase through most of the rev range. Where as a v-twin tends to decrease so as they rev (like during tire spin) they tend to have less torque than a few rpms lower.
On reaseon for that early lowend torque is the flywheel weight and big monster pistons.
Not to mention they have what I call a longer coast than most inline 4s. This is what the new R1s try to emulate with the big bang engines.
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