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TB Parts
TBParts goal is to offer affordable performance parts for pit bike, mini bike, and trail bike enthusiasts. Their big bore kits and other performance parts are made of high-quality components manufactured to their specifications. These parts have proven to be extremely reliable and popular over the 25+ years they have been on the market.
TB Cylinder, 67mm 
TB Cylinder, 67mm$174.99$174.99$174.99Seat – AFT – Z50R 89-99 Models 
Seat – AFT – Z50R 89-99 ModelsFrom $69.99From $69.99$69.99TB CRF110 58mm Piston Kit 
TB CRF110 58mm Piston Kit$74.99$74.99$74.99TB Steering Stem Nut & Washer – All Z50, All CT70, & Other Models 
TB Steering Stem Nut & Washer – All Z50, All CT70, & Other Models$3.99$3.99$3.99TB Tune Up Kit -Z50 
TB Tune Up Kit -Z50$16.99$16.99$16.99TB Valve Kit – Race Head V2 
TB Valve Kit – Race Head V2$64.99$64.99$64.99TB 110cc, 53mm, Piston & Gasket kit – KLX110 
TB 110cc, 53mm, Piston & Gasket kit – KLX110$104.99$104.99$104.99TB Shifter, Billet CNC – KLX140 
TB Shifter, Billet CNC – KLX140$36.99$36.99$36.99TB Gas Tank Mount Kit – Z50R 88-99 
TB Gas Tank Mount Kit – Z50R 88-99$19.99$19.99$19.99TB 186cc Big Bore Kit – Grom / Monkey 
TB 186cc Big Bore Kit – Grom / Monkey$274.99$274.99$274.99AFT Ignition Coil for Z50 K0-K2 Models 
AFT Ignition Coil for Z50 K0-K2 ModelsFrom $24.99From $24.99$24.99TB Wheel Assembly Set, HD Aluminum Rims, HD Spokes – TTR110 
TB Wheel Assembly Set, HD Aluminum Rims, HD Spokes – TTR110$499.99$499.99$499.99Throttle Assembly #2 – Generic Honda Type 
Throttle Assembly #2 – Generic Honda Type$20.99$20.99$20.99TB Dimmer Switch – CT70 K0-K1 Models 
TB Dimmer Switch – CT70 K0-K1 Models$18.99$18.99$18.99TB Brake Switch Assembly, Stop – CT70 K0-76 & Others 
TB Brake Switch Assembly, Stop – CT70 K0-76 & Others$8.99$8.99$8.99Morin Racing Oil Cooler Kit – Z125 
Morin Racing Oil Cooler Kit – Z125$159.99$159.99$159.9920mm / 24mm AFT Carb – Air Filter, Curved 
20mm / 24mm AFT Carb – Air Filter, Curved$13.99$13.99$13.99Bolt and Nut set, Rear Sprocket/Hub – CRF110 
Bolt and Nut set, Rear Sprocket/Hub – CRF110$9.99$9.99$9.99TB Cable Kit, Front, Extended – Z50 1986+, XR50, CRF50 
TB Cable Kit, Front, Extended – Z50 1986+, XR50, CRF50$39.99$39.99$39.99TB Clutch Kit w/Bearing & Gasket – CRF125 
TB Clutch Kit w/Bearing & Gasket – CRF125$69.99$69.99$69.99TB Kick Starter – Chrome – Z50, CT70 & Other Models 
TB Kick Starter – Chrome – Z50, CT70 & Other Models$14.99$14.99$14.99TB Aftermarket Fork Set – Z50A K1-78 Models 
TB Aftermarket Fork Set – Z50A K1-78 Models$124.99$124.99$124.99TB Race Head Carb Kit, Nibbi PE26 – KLX110 
TB Race Head Carb Kit, Nibbi PE26 – KLX110$159.99$159.99$159.99TB Brake Snake 
TB Brake Snake$6.99$6.99$6.99TB Handlebar, Black, low Rise – 7/8″ 
TB Handlebar, Black, low Rise – 7/8″$59.99$59.99$59.99Throttle Cable, AFT 30mm Carb – Various Pitbike Models 
Throttle Cable, AFT 30mm Carb – Various Pitbike Models$18.99$18.99$18.99TB High Volume Oil Pump – All ATC, TRX, & CL70s 
TB High Volume Oil Pump – All ATC, TRX, & CL70s$33.99$33.99$33.99TB 52/54mm V2 Top End Gasket Kit 
TB 52/54mm V2 Top End Gasket Kit$19.99$19.99$19.99TB 186cc Grom Big Bore Kit and Oil Cooler Kit 
TB 186cc Grom Big Bore Kit and Oil Cooler Kit$439.99$439.99$439.99Morin Racing Honda Grom Oil Cooler Kit - 13-20 Models 
Morin Racing Honda Grom Oil Cooler Kit - 13-20 Models$154.99$154.99$154.99TB Swingarm, Plus 3″ – Z50 K3-78 & Z50R 79-99 
TB Swingarm, Plus 3″ – Z50 K3-78 & Z50R 79-99$239.99$239.99$239.99TB Swingarm, Plus 1.5″ – Z50 K3-78 & Z50R 79-99 
TB Swingarm, Plus 1.5″ – Z50 K3-78 & Z50R 79-99$219.99$219.99$219.99TB Billet head covers, w/TI hardware – KLX110/Z125 
TB Billet head covers, w/TI hardware – KLX110/Z125$89.99$89.99$89.99Billet Cam Cover – KLX110 & Z125 
Billet Cam Cover – KLX110 & Z125$38.99$38.99$38.99Carburetor, Keihin – Main Jet Kit – All Models 
Carburetor, Keihin – Main Jet Kit – All Models$9.99$9.99$9.99AFT Gas Tank – Z50 K3-78 Models 
AFT Gas Tank – Z50 K3-78 Models$125.99$125.99$125.99
