CYCLINDER PORTING IS AN ABSOLUTE MUST TO MAXIMIZE THE POWER OF THE 2 STROKE ENGINES! ESR RACING HAS OVER 25 YEARS EXPERIENCE IN PORTING ANYTHING FROM WOODS RADING ENGINES TO FULLY BUILD DRAG RACING ALCOHOL BURNING QUADS!! EACH CYCLINDER IS HAND PORTED BY EDDIE HIMSELF TO ENSURE REPEATABILITY AND THE HIGHEST STANDARDS OF QUALITY. PORT TIMING, SIZE AND ANGLE ALL EFFECT THE ENGINE PERFORMANCE AND CAN BE ADJUSTED TO MEET YOUR RIDING STYLE AND MAXIMIZE POWER OUTPUT AT SPECIFIC RPM RANGES. WHEN IT COMES TO 2 STROKE PORTING, ESR RACING IS THE TOP OF THE LINE. YEARS OF R&D WENT INTO THE CURRENT PORTING OPTIONS, AND WHEN YOU SMOKE THOSE 4 STROKES AT THE TRACK OR THE DUNES, YOU'LL SEE THE RESULTS. LISTED BELOW ARE THE PORT OPTIONS AVAILABLE:
TRX7 MX/Woods (Low End) The
ESR TRX7 cylinder is our low-end power option. Exhibits plenty of
low-end torque and mid-range power. An excellent choice for MX and
Woods riders.
TRX9 All-Around (Mid Range) Our
TRX9 cylinder is for mid-range and top end power. Allows for terrific
performance at higher RPM’s, without sacrificing low-end punch and
ridability. Great for Duners or TT racers.
TRX11 Drag Porting (Top End) The
TRX11 is an extreme port job that takes top end performance to the next
level! Ported for all out high revving power, this cylinder redefines
“top-end performance”. This cylinder is for drag racing and hill
shooting only.
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