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Old March 18th, 2012, 12:11 PM   #33
akima
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Name: Akima
Location: England
Join Date: Jul 2011

Motorcycle(s): 2011 Ninja 250R FI

Posts: A lot.
Blog Entries: 5
MOTM - Oct '13
Quote:
Originally Posted by akshay11 View Post
When you downshift and let the clutch out with the throttle closed, it causes the bike to 'nosedive' as it slows right? Or is that a result of downshifting at too high a speed or something?
The answer to your question is: trade your 6fiddy ninja for a 2fiddy ninja and go on a motorcycle safety/handling course. In the mean time, you probably shouldn't ride on the street with your limited level of knowledge... at least not without an experienced instructor supervising you.

If you have the throttle completely closed (so the engine is idling) at a very low rpm, then you engage the clutch (let go of the clutch lever) while the wheels are moving quickly then there will be a large mismatch between the engine speed and the wheel speed. This means that when the clutch plates bite the engine will suddenly empose a large amount of resistance against the movement of the rear wheel. This will cause the motorcycle to rapidly slow down. Under the right conditions, doing what I just described will cause the rear wheel to loose traction: at which point you could have an accident.

Any "nose dive forward" feeling you get isn't so much nose diving (because the the front wheel isn't the wheel slowing down). Instead it will simply be the feeling of your body moving forward (under inertia) as the bike rapidly decelerates.
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