Shifter Cart & Road Race machines


This sport requires a driver with skill, guts, precision engine building techniques, and experience in tuning. HPT Sport specializes in two stroke power plant modifications. Shifter cart racers enjoy two types of racing.  Road racing and sprint racing.  Engines sizes are 80 cc, 125 cc, and 250cc. 125 cc class top speed up to 120 mph and 250 cc up to 130 mph.

HPT modified power plant: YZ 125 - 180 BMEP @ 11000 rpm. CR 125 200 BMEP @ 10500 rpm.
 

 

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Bellow

HPT 7mm stroked RX 350

Stroke 61mm. Bore 65 mm. Vol 405 cc. Exhaust 198 - TA13.9489. Blow 33.5 - TA 8.2994. BMEP 145 @ 10,000 rpm

 

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It's a beauty

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