Maintenance & Technical > KX500 Original

Speed Run

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KX Newfie:
Well i went for a run to shoot a vid a few days ago.

Even wore a helmet cam for apart of the filming.

On the GPS (on vid) i was doing 102 mph.

Anyway the motor seemed to surge back & forth at that speed. I know it could go faster but it seemed as if it was starving for fuel.

Question ???

With the Lectron Carb.............should i try going down a clip position, or change the main.

Also what brand jets will fit ??

Burning 40-1 sythetic Amsoil................112 octane.........about 45 F temp.....sea level.

Plug is nice & brown ............. ofcourse that was at moderate to low rev...basically stopping in my shop.

stewart:
lectrons do not use jets,,the needle is length  adjustable  or has to be change to diffrent taper

k5abuser:
stewart and me mix 50-1 h1r oil . might try 114 or u2 gas . we have run 114 and u2 mixed 50/50. the bike liked it.but Q16 is the new FUEL in town  8-)

KX Newfie:
Right on ... never looked at the inards of the Lectron................so any suggestions ???

Even with the sutging i'm sure i could have sqeezed another few more mph's out of my K5, but i didn't want to run lean for any distance.
It does not starve in any other gear, at any rev.....only topped out in fifth.

116 isn't available in my area ................ 112 is even hard to get  :x

I guess that is the price you pay for living on an island in the Great North Atlantic.

Best believe it is beautiful though...LOL !!!  :-D

KX Newfie:
Any ideas on steps to take on the lean condition topped out ???

Should i adjust the metering needle up ???

Or change the needle ???

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