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For the same reason I never compression brake my bike as it has the same effect of throwing the whole load back on the crank that it wasn't designed for.
Originally Posted by Poor_Dog
You transfer the entire weight of the bike plus it's momentum to the crankshaft when you brake like that. There are times you need to use the compression such as when braking on a steep incline, however it's generally frowned upon as a regular braking technique.
That's a piece of cake for the crankshaft, compared to the loads it sees under even light throttle. And on a motorcycle, you need to go through every gear in between to reach first anyway, so it doesn't cause the additional wear that downshifting through each gear would when approaching a stop in a car.
Just stumbled on to this old thread, but I`ll throw this in...
Slowing the bike by downshifting will do no harm to the crankshaft.
In my opinion, guys that talk this junk science are the guys who have never actually worked on the internal parts of an engine, and have never learned the proper way to operate a motorcycle.
... For the same reason I never compression brake my bike as it has the same effect of throwing the whole load back on the crank that it wasn't designed for...
Originally Posted by TravelingBiker
That's interesting... Maybe I'm reading you wrong, but by "compression braking" I'm thinking what you mean is by slowing the bike with a lower gear before using your brakes. I was always taught that's the proper way to brake.
Did I misunderstand you or have I been taught incorrectly?
Originally Posted by dickey
That's interesting... Maybe I'm reading you wrong, but by "compression braking" I'm thinking what you mean is by slowing the bike with a lower gear before using your brakes. I was always taught that's the proper way to brake.
Nonononono...brake pads are much cheaper than crankshafts.
Originally Posted by Poor_Dog
You transfer the entire weight of the bike plus it's momentum to the crankshaft when you brake like that. There are times you need to use the compression such as when braking on a steep incline, however it's generally frowned upon as a regular braking technique.
If you're afraid of uneccesary wear on your crankshaft because of engine braking you should probably park the bike. Of course there can be some wear attributed to engine braking just like with every other function of the bike, but I would consider it more normal wear and tear than uneccesary wear and tear.
Last edited by 2black1s; Apr 11, 2014 at 11:38 PM.
Wow....
I was taught that engine braking was proper both on the bike and in a car.
It goes right along with the technique called "rev matching".
A lot of guys rev their engine a bit in between gears just to hear it.
I rev mine to match the rpms of the gear I'm going to downshift into...
This is, as I was taught, a proper technique.
I'm sure I'm not the only one who has learned this. It's been in practice since the first
manual transmission was invented....
Wow....
I was taught that engine braking was proper both on the bike and in a car.
It goes right along with the technique called "rev matching".
A lot of guys rev their engine a bit in between gears just to hear it.
I rev mine to match the rpms of the gear I'm going to downshift into...
This is, as I was taught, a proper technique.
I'm sure I'm not the only one who has learned this. It's been in practice since the first
manual transmission was invented....
Yep, but its always been known its not good to lug a motor too.
When I was a kid in HS my Father was teaching me to shift on an old beater. When I asked him how do I know when to shift his answer was "the engine will tell you when".
I lugg it rarely these days but when I do it's pretty obvious and I hear those words in my head.
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