Description
The LED 300 Sphinx is the most HP you can just bolt on with no case mods needed. It is a true 300 and has a 73mm bore. It is available for 85-86 ATC and TRX 250R , 87 through 89 TRX 250R.
The kit price for 85-86 short rod ATC and TRX engines is $2184.
The kit price for 87-89 TRX 250R with long rod crank shaft is $2234.
It is important to run with LED 250/300 pipe and muffler. It runs best with, V-Force reed valve and Keihin 39 PWK carburetor.
