Friday, September 7, 2012

Cool review on the MRP exhaust

Trying out the MRP exhaust with the cylinder mods. All of the pipes are working better with the change in mainly transfer duration and exhaust port chord width. The MRP really showed some nice gains in acceleration and speed.

Autotech355 68cc Big Bore Kit (Worked to 185/125 durations, 7:1 CCR)
Stock carb, stock airbox, 90 main jet, needle next to leanest
Hoca performance variator w/modified fixed drive face & 2mm of spacers
Stock torque driver/rear pulley
5g sliders, 1000 contra, stock lightened clutch w/2,000RPM springs

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