Maintenance & Technical > KX500 Original
Project "I needed to clean the air filter so I blew the motor"
81cr450:
The window is 2hp in the middle of the powerband right? so thats great for varied throttle desert right?
I really think you have some great theory with finding the right "pulse" with the piston window , it really seems you need to make each varied design get a chassis dyno & play "Lets change the piston game". Even the long side slit idea "looked" good & it might be awesome for 1 or 2 top speed runs & swap in another so it doesnt come apart.
Id still bet the higher the hole the better but its just an idea
USMC 500:
--- Quote from: Motorrad on October 08, 2013, 02:39:51 PM ---
--- Quote from: USMC 500 on October 08, 2013, 02:35:49 PM ---are we talking skirt mods only with NO window?
--- End quote ---
correct.
just happened to have a windowed piston to color on...
--- End quote ---
I like the idea......looking at everything I do agree that having a huge hole in the piston will cause intake charges to follow the path of least resistance causing a starvation of all the other ports......From what I've read in the past, having the window aided in additional lubrication to the wrist pin.....is this correct and if so is there the possibility of oil holes being added to certain areas???
Motorrad:
--- Quote from: 81cr450 on October 08, 2013, 02:47:29 PM ---The window is 2hp in the middle of the powerband right?
--- End quote ---
Based on what fact.
a guy that screwed all of us said so?
that and we never saw a dyno for it. atleast I didnt.
just sayin.
Motorrad:
--- Quote from: USMC 500 on October 08, 2013, 02:50:24 PM ---
--- Quote from: Motorrad on October 08, 2013, 02:39:51 PM ---
--- Quote from: USMC 500 on October 08, 2013, 02:35:49 PM ---are we talking skirt mods only with NO window?
--- End quote ---
correct.
just happened to have a windowed piston to color on...
--- End quote ---
From what I've read in the past, having the window aided in additional lubrication to the wrist pin.....is this correct and if so is there the possibility of oil holes being added to certain areas???
--- End quote ---
Team green really had a problem of under lubed upper end bearings in the baja 1000.... :roll:
sorry, in a argumentative mood tonight.
my department at work was just smeared all over the news
video is better than the text
http://www.10news.com/news/hundreds-of-fire-alarms-in-sweetwater-union-high-school-district-not-working-100813
USMC 500:
--- Quote from: Motorrad on October 08, 2013, 02:53:00 PM ---
--- Quote from: 81cr450 on October 08, 2013, 02:47:29 PM ---The window is 2hp in the middle of the powerband right?
--- End quote ---
Based on what fact.
a guy that screwed all of us said so?
that and we never saw a dyno for it. atleast I didnt.
just sayin.
--- End quote ---
If this is figure is correct, I can say this.......its a K5, is 2 HP going to break my heart?.......If so I'm sure that 2 HP can be found somewhere else. It would be nice to have a dyno, KX500, multiple pistons with different cuts, and a Motorrad all in the same place for a few days to put an end to this debate but these conditions are hard to come by.
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