Maintenance & Technical > KX500 Original
16t sprocket
Motorrad:
how would a compression release help engine braking into a corner?? Wouldn't this hurt it further... You lost me on this one...
jfabmotorsports.com:
--- Quote from: Motorrad on May 20, 2009, 11:34:41 AM ---how would a compression release help engine braking into a corner?? Wouldn't this hurt it further... You lost me on this one...
--- End quote ---
Thats where I was heading. If you had a 2 inch hole in the head it would release a lot of compression and not slow the bike down. I would like the theory explained to me though, please.
DoldGuy:
I will TRY to explain. Imagine going down a straight with an upcoming some what tight left hander, your in fourth or fifth gear with the motor tapped, what do you do, you grab a handful of brakes and MAYBE down shift a gear if it does not cause too much rear wheel hop. This is where the comp release comes into play, you use the downshift (or 2) to come in hot & let the motors gearbox be the Controlled engine braking (which feels much like a current F four stroke) and with a turn left, then right, the rearend steps out smoothly & controlled. If anyone has tried to go fast on an oval before will tell you, you have to be aggresive & smooth to have good lap times. Next time you go riding, try downshifting 2 gears with the clutch out & see how much engine braking is actually in a 2 stroke, it's just not smooth like a 4 stroke. I hope this gives some what of an explanation.
azracer19:
As far as compression release operation, When I first learned to ride, many years ago my Dad would take me to Bay.mar it was a TT track i was tought to hold the throttle open and pull the compression release going into the turn release it back onto the straright... the entire time holding the throttle open this was on a 100 cc bike. it would be dangerous IMO to use this method on a 500. I was kinda like drifting thru corners I suppose
slow600:
the kx would lose in a straight line race to my 450 before. now that it got some love thanks to good ole stewart its a different animal. all the new-found power almost caused me to biff twice due to excessive tire spin coming out of a corner. around a course my 450 is definatly quicker due to several factors, but straight section is absolutly no contest. its almost humorous how fast it pulls away, the 450 is not stock at all either. sigh.....i hope i dont get too many tickets this summer. :-D
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