Maintenance & Technical > Kx Frankensteins
KX500 shifter kart build
Brute:
I have given the 'soft' mount idea some thought as I have 3 250 Ninja's plus have another frame on it's way. A KX5 engine would be fun, but I think it would beat the little Ninja frame to death with a solid mount. Looking at the current bikes that use it and the way they do it I think it would be possible to make a soft set up.
Polar-Bus:
Well guys, FINALLY had an opportunity to get the beast out for some testing !!!! And here's what I now know about piloting a 60 hp shifter kart.
1) It VVVVVIIIIIIBBBBBRRRAAATEEESSS ! Vibrates to the point where bolts loosening up and falling out will be a constant battle (read further into todays maiden test session)
2) The G force acceleration thrust is almost enough to make you pass out... well not quite like that, but none the less all I can say is WOW.
3) just a slightly too aggressive blip on the throttle exiting a corner causes a violent loop out. This kart will take skilled finesse to go fast and precise.
My son helped me with the starting and he did shoot a short vid but the quality absolutely sucks after we sent the phone vid to my computer.
So once I knew we could consistently get the kart started and running good in my yard, now it was time to get it to my work where I have a nice empty parking lot to see what we got. First issue is leaking gas out the carb overflow when the engine is running. I'm pretty sure this is simply too high a float height so I dropped the fuel height so hopefully that's the end of the fuel leaking. I was able to start hammering the throttle harder and harder as I go some laps and let me tell ya' this kart is really tough to keep straight ! The violent KX500 powerband hits early and hard and this with the fact i'm putting 100% traction into asphault (not dirt) makes for some sick and squirrely acceleration ! The day unfortunately ended early as the abundant hp actually bent the engine mount stop which allowed the engine to move and then lost my chain tension, and caused the chain to have excessive slop which cause the master link clip to pop off and I threw the chain. So back at the shop for corrective actions and i'll report back as soon as I get more testing in.
Foxx4Beaver:
oh man....we need video of this activity! :-D
Polar-Bus:
Alright, but remember, I was actually scared to go WOT so the vid is only about 3/4 throttle ! You can hear the chain snap at the end of the vid too. :x
Here it is :
http://www.youtube.com/watch?v=lEmzx9_dQe4&feature=youtu.be
Foxx4Beaver:
Nice!!....I could never get in the seat of that thing....I WOULD die..period.
Actually surprised to see it hook up as good as it was with those small wheels....I can only imagine the rush.
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