Use the calculator below to calculate the CC or Displacement from an engines Bore and Stroke.
Volume / Displacement
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Pitster Pro Pit Bikes
Piranha Pit Bikes
Race Ready Pit Bikes
Play Bikes
Retro Mini Bikes
Kawasaki KLX110 Parts
Honda Z50, XR50 & CRF50 Parts
Honda CRF70 Parts
Honda ATC70 Kits
Honda TRX90 Kits
Piranha Engines
Pitster Pro Engines
Lifan Engines
SSR Engines
Our engines use the Honda bolt pattern, and bolt into Z50, XR50, CRF50, CT70, CL70, SL70, XL70, ATC70, TRX70, DAX70, TRX90, Extreme, SDG, Sikk, Pitster Pro, Coolster, Orion, Thumpstar, OGM, Pit Pro, G2Moto, Braaap, Apollo and SSR pit bikes.
Pit Bike Wiring Info
Simple Guide to Jetting
KLX110 Manual
Our tech database has info about most common pit bike repairs, upgrades and troubleshooting. If you have a tip, drop us a line!
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T Bolt USA, LLC contact@tboltusa.com (215) 800-0026 Alt: (704) 826-5887
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