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  • Engine braking and gear braking

    Hello all,

    A serious question regarding gear braking and engine braking. Is gear braking healthy?

    I usually downshift when i need to slow down, assisting the braking with 30% front disc, 70% back brake and slowly letting go of the clutch while trailing it. The lower gear resists the speed greatly and I can drop from 80 to 40 very quickly. I've found that this also helps in getting exceptional control about corners. But from the view of an anxious motorcycle enthusiast, will this practice harm my engine/gearbox over time? If so how much? Is it a decent way to slow down all the time?

    I also hear that it's better to slow down using the engine braking (the resistance offered by cylinder vacuum when throttle is cut) than using the clutch repeatedly.

    Opinions please!
    - The understood pseudo-purpose of existence is not to live the Good Life, but to necessarily live.

    My photography: http://themotivehunter.deviantart.com/

  • #2
    General Biking Discussion Approved.
    :)

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    • #3
      Engine braking is good. Only should not be done during the running in period of the bike.

      If your engine braking is gradual, and not sudden downshifting and then releasing the clutch it is absolutely fine and is also recommended by the manufacturer since it gives a control over the wheel to which power is being transferred.

      Simple experiment, try taking a bend or a curve with the clutch pressed at a high speed, and then with your foot modulating the accelerator. You will have better control with the engine connected to the drive train.


      My offerings to the gods of speed -

      - KTM Duke 200
      - Yamaha RXZ 5 speed


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      • #4
        Originally posted by TheDeadRider View Post
        A serious question regarding gear braking and engine braking. Is gear braking healthy?
        Question to you - What is gear braking? I've heard about engine braking but not gear braking, appreciate if you can help us understand.

        Originally posted by TheDeadRider View Post
        But from the view of an anxious motorcycle enthusiast, will this practice harm my engine/gearbox over time? If so how much? Is it a decent way to slow down all the time?
        Yes it will harm in long run, but I don't know in what measurement to tell you. The wear & tear of piston, piston rings are subject to several things such as engine oil, fuel, riding style, external environment & so on.

        Originally posted by TheDeadRider View Post
        I also hear that it's better to slow down using the engine braking (the resistance offered by cylinder vacuum when throttle is cut) than using the clutch repeatedly.
        Like you said, engine braking gives the fastest slow down causing overhead on the engine & if you can notice the pickup will remain sluggish after engine braking compared to regular slow down (not even using brakes). If you want maximum engine life & less maintenance, use less clutch, less gear shifts, less braking & maintain speed (any speed).

        Point - Engine braking is both good & bad. Good being the control & bad being regular practice causes harm to engine in long run.
        Skill is what keeps you on a Motorcycle
        Awareness + Skill is what keeps you out of harm's way
        ATGATT + Awareness + Skill means you might Live To Ride another day

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        • #5
          Been using Engine braking for 2.5Yrs on my Pulsar 200 and used it for ages in Pulsar 180. Havent faced any problem till date. They still have great acceleration and engine braking helps keep the vehicle in control. During run-in engine braking helps get best piston ring seal too. My bike was run-in Motoman way with Lots of engine braking and she shines .
          Street racing is for Squids trying to make up for their small equipment

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          • #6
            Again it depends on how much stress is put on the engine. There's a great difference from downshifting from 80-20 in 3 gears compared to 60-20 in 4 gears along with regular braking. Constant usage on first pattern will prone to more wear & tear for sure.
            Skill is what keeps you on a Motorcycle
            Awareness + Skill is what keeps you out of harm's way
            ATGATT + Awareness + Skill means you might Live To Ride another day

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            • #7
              I have tried to use engine braking many times but i don't know why i feel a bit scared of engine braking as i have the habit of using both front & rear brakes and one thing i have noticed during engine braking is THUD sound ,that scares me more of my bike's performance.Should i stick to what i am using presently or try engine braking but i don't need that thud sound??
              CAUTION: One Gear Left

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              • #8
                ^^ the thud sound is generally when you shift to a lower gear too soon at too high a speed.


                My offerings to the gods of speed -

                - KTM Duke 200
                - Yamaha RXZ 5 speed


                Comment


                • #9
                  Originally posted by Bestofrivals View Post
                  I have tried to use engine braking many times but i don't know why i feel a bit scared of engine braking as i have the habit of using both front & rear brakes and one thing i have noticed during engine braking is THUD sound ,that scares me more of my bike's performance.Should i stick to what i am using presently or try engine braking but i don't need that thud sound??

                  Engine Braking is one the best ways to keep the bike under control. Here i dont mean that one should totally depend on engine braking. Use engine braking as well as the brakes. dont use engine braking at high RPM's as there will b heavy effect on the engine as well as back-torquing'... Use engine braking very moderately. it helps u get shorter braking distances with confidence.
                  Power is Nothing without Control

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                  • #10
                    If I may ask, what is the most effective way for engine breaking? As in, is there a technical handbook on 'engine breaking for dummies' or does one learn by practice?

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                    • #11
                      I guess its more of pratically that you can learn better to control the bike with engine braking.
                      Power is Nothing without Control

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                      • #12
                        Here i dont mean that one should totally depend on engine braking. Use engine braking as well as the brakes. dont use engine braking at high RPM's as there will b heavy effect on the engine as well as back-torquing'... Use engine braking very moderately. it helps u get shorter braking distances with confidence
                        ^^^ Exactly my point

                        guess its more of pratically
                        And add to that - COMMONSENSE
                        Skill is what keeps you on a Motorcycle
                        Awareness + Skill is what keeps you out of harm's way
                        ATGATT + Awareness + Skill means you might Live To Ride another day

                        Comment


                        • #13
                          It would lead to significantly more wear and tear on the transmission... but these bikes are built for it anyway and who wants to keep the bike forever
                          This is the preferred braking used by the pro's and the stunters too, chris pffeifer was using mainly this...
                          BUT NEVER try engine braking in first, it could destroy the clutch and the gears.
                          Though this is the best way to keep the bike in control specially during the wet season. One thing u need to keep in mind is the oil, u will need to change it frequently, due to the excess wear, it will degrade faster...
                          I use engine braking from 4th to 3rd only...

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                          • #14
                            Here's a little tip from Shell for Bikers - Tips for Bikers - INDIA
                            Skill is what keeps you on a Motorcycle
                            Awareness + Skill is what keeps you out of harm's way
                            ATGATT + Awareness + Skill means you might Live To Ride another day

                            Comment


                            • #15
                              How do you brake if you don't shift gears?

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