20 comments on “Motorcycle characteristics: Torque and Power

  1. When explaining torque and HP many articles on the net say: “Torque is how fast you accelerate, HP is you maximum speed (How fast you can go).”-

    I disagree, as power is the key parameter that decides how fast one can accelerate. I.e. Max torque could be at 7500RPM but peak HP could be at 8500RPM, meaning that max acceleration would also be at peak HP not at peak torque…

    Is my understanding here correct? I feel like the statement “Torque is how fast you accelerate, HP is you maximum speed (How fast you can go).” is very misleading.

    Looking forward to your comments.

  2. My 125cc bike had 14teeth front sprocket/56teeth rear sprocket.Now it has 17teeth front sprocket/50teeth rear sprocket.
    Will my bike loose torque?

  3. Thanks for toning down all that technical stuff; it makes a lot of sense when the rider monitors the dials with a view to optimise the performance of his vehicle. More so having realised that different models specifications are customized to varied rider environments.. And our experience has a bearing on this inlaid architecture. Good enough this torque @ rpm and power @ rpm does make practical sense in light of the riders intended vehicle function. Your presentation and choice of illustration is great! Many thanks!

  4. Excellent explanation. The best i have read about a topic till date. Thank u very much.

  5. nice information… those will help me in developing a racing bike (4-stroke, 125cc).
    I like the point to estimate the horse power, so simple.
    Actually, I have an experience while modifying the crankshat for more torque (the model was the same with picture of short stroke engine). Then the engine will vibrate extremely.

    From: Nanto

  6. I am a horticulture student who has been learning about torque and power re tools and tractors. This has been helpful-recommended by the lecturer.

    From: Tanya Hallums

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