Coasting... engine off


6 replies to this topic
  • FTD

Posted March 02, 2004 - 01:31 PM

#1

There's a section of trail we ride, slight down hill, through the brush that I turn the engine off and coast.
I was told this is bad for the tranny.
Is it bad or not?
Hoss

  • RichBaker

Posted March 02, 2004 - 01:38 PM

#2

There's a section of trail we ride, slight down hill, through the brush that I turn the engine off and coast.
I was told this is bad for the tranny.
Is it bad or not?
Hoss


When the engine is off there is no oil circulated thru engine OR trans....a good way to riun the tranny.

  • endurodog

Posted March 02, 2004 - 01:42 PM

#3

I have done this for years, but the bike is in neutral, and never had a problem. I got to do it down a few very long hills in past also, like miles long. Now if your tranny is engaged I could see a problem. Now you do loose some control.

A few years ago one of the big name guys, Berlson or maybe Roesler, can't remember for sure got hurt doing it. I've heard it called "Coast Racing" before.

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  • FTD

Posted March 02, 2004 - 01:54 PM

#4

There's a section of trail we ride, slight down hill, through the brush that I turn the engine off and coast.
I was told this is bad for the tranny.
Is it bad or not?
Hoss


When the engine is off there is no oil circulated thru engine OR trans....a good way to riun the tranny.

That is exactly what he said... so it is bad, I should leave the engine on...
Hoss

  • PBDBLUE

Posted March 02, 2004 - 02:08 PM

#5

The transmission is splash lubricated (not pressure like the crank/cams). It will not harm the transmission to coast in neutral.

  • RichBaker

Posted March 02, 2004 - 03:26 PM

#6

The transmission is splash lubricated (not pressure like the crank/cams). It will not harm the transmission to coast in neutral.


My manual shows a lube path thru the tranny shafts....I wouldn't coast with the engine OFF, running in neutral sure. :)

  • faggio40

Posted March 03, 2004 - 01:13 PM

#7

The transmission is splash lubricated (not pressure like the crank/cams). It will not harm the transmission to coast in neutral.


It's correct for two stroke, but not for four stroke, or not all but the large majority.
But it's true too that coasting in neutral there aren't big stress in tranny, so no problem for riding few miles with engine off. Many years ago I often used coasting with street-bikes with some friends of mine, and I and my friends never had problems to our bikes.
Coasting is very amusing: no noise from engine, so you can enjoy insulting your friends when you overtake them :)




 
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