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Sneakers:
Hey guys, I've got a 99 Kx500.? for a while and wanted to get more performance. I was recommended to port and polish the intake and exhaust. We found out they used abrasive material to do it like gritty sand. So I got with my friend that tunes Hondas and we decided to try it ourselves. We got a bag of sandblasting sand and hooked up into the intake and started the bike. We had to hold it Wide open so it would run. He wanted to let the engine suck in the sand through the intake so it would port it out and then push it out the exhaust so it would port the exhaust.
I was worried that it might cause problems but he figured it'd be OK as since it doesnt have valves like his Honda. After running the bike and letting it suck in sand. The engine was bucking and kicking and sounding really weird. We stopped and hooked the air boot back up normal and took off the sand supply. We tried to start it again and it was really hard. Once started it couldn't idle and kept making weird noises. We took it out and Rode  it and it started to make scraping and knocking noises.
Help! Can anyone tell me what to do! My buddy only does modern 4 stroke hondas so he doesn't know much about Kx's.

-Sneakers

sandblaster:
No way...... You ran sand blasting media through your top end :?
My guess is you need a complete top end rebuild and there's a good chance of needing a bottom end as well.
Pull the top end off and post some pics... Or, as the saying goes, it never happened.. :evil:

KX500freak:
do i believe this ...nah ,prolly some sick joke to make people  :-o  ?

if not ,i still don,t believe this crap story..

pics or it didn,t happen   :lol:

alward25:
Wow,  let me know what parts you need,  I will give you the extremely gullible discount.  So much for doing research before doing any mods.  I hope you don't trust anything else of value with your buddy. 

Polar-Bus:

--- Quote from: Sneakers on October 06, 2011, 05:36:33 PM ---Hey guys, I've got a 99 Kx500.? for a while and wanted to get more performance. I was recommended to port and polish the intake and exhaust. We found out they used abrasive material to do it like gritty sand. So I got with my friend that tunes Hondas and we decided to try it ourselves. We got a bag of sandblasting sand and hooked up into the intake and started the bike. We had to hold it Wide open so it would run. He wanted to let the engine suck in the sand through the intake so it would port it out and then push it out the exhaust so it would port the exhaust.
I was worried that it might cause problems but he figured it'd be OK as since it doesnt have valves like his Honda. After running the bike and letting it suck in sand. The engine was bucking and kicking and sounding really weird. We stopped and hooked the air boot back up normal and took off the sand supply. We tried to start it again and it was really hard. Once started it couldn't idle and kept making weird noises. We took it out and Rode  it and it started to make scraping and knocking noises.
Help! Can anyone tell me what to do! My buddy only does modern 4 stroke hondas so he doesn't know much about Kx's.

-Sneakers

--- End quote ---

Now I know why Honda 4 strokes flow so well !  :-o

Sneakers, here's a free tip for future knowledge in life. Kick your dumba$$ idiot buddy right square in the balls and  part out your now destroyed KX500 on Ebay. 

And thanks for the laugh !!!  :-D

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