ATC70 TRX70 Engine TB 108cc Big Bore Kit, V1 Race Head, & 24mm Carb Kit – Honda 50cc & 70cc Various Models TBW9093

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TB 108cc Big Bore Kit, V1 Race Head, & 24mm Carb Kit – Honda 50cc & 70cc Various Models

TBparts 108cc V1 Race Head Kit, 52mm Bore Kit, &  24mm Carb Kit. Converts the following stock engines to 108cc: 4 speed CT70H, SL70, and XL70. Also for 81 & up ATC70 and 3 speed 80-81 CT70

Starting with the V1 cylinder head’s larger 25/22mm stainless steel (21-4N) valves, better porting, larger cam, improved valve geometry and superior quality this new setup will rev quicker, farther, and make much more power than the stock setup. Add the lightweight high compression 52mm bore kit that brings up the bore to 108cc and makes for a stronger power band. Finish it off with our 24mm carb and port matching manifold adding up to a high level of performance at an affordable price! These kits can can make as much power as the larger 125cc Chinese engines. These are high quality parts and require no machining to the cases or other modifications – bolt on and go! There are no installation instructions, but if you can replace your piston, you can install this kit. If you don’t have any experience working on your engine, we highly recommend having a professional technician install this kit or, at a minimum, purchasing the shop manual.

Key Features:

  • Race Head V1 – 25/22mm Stainless (21-4n) Valve, 21mm intake port, oversized exhaust port, & improved valve geometry (valve, seals, and springs installed).
  • Race Camshaft and Sprocket
  • 52mm Aluminum Steel Sleeve Cylinder
  • 52mm High Compression Light Weight Piston Kit (91+ octane pump fuel friendly)
  • 52mm/108cc Top End Gasket Kit, Clutch Cover Gasket, & Center Case Gasket
  • Larger 24mm Carb Kit
  • No case boring
  • We stock all the replacement parts for this kit, no ridiculous wait times or prices for these High Performance spares.

Installation NoteStroker crank requires use of the 12v piston and high Volume Oil pump w/shaft. 24mm Carb kit requires use of a throttle like part number TBW1051. CT70’s require TBW0133 dual feed petcock for the 2 fuel tank lines.

Note: Only for use with 4 speed CT70H, SL70, and XL70. Also for 81 & up ATC70 and 3 speed 80-81 CT70

Kit Contents by Part Number: TBW0713, TBW0365, TBW0225, TBW0287, TBW0334, TBW0206, TBW0273, TBW0301, TBW0230, TBW0174, TBW0327, TBW0385, TBW0251, TBW0300, TBW0156, TBW0861

 

Shipping Policy

All items purchased from us will be shipped within 1-2 business days. 


 

Refund Policy

All sales are final unless you receive the product and there is a defect that was not listed in the ad or shown in the pictures. If something happens during shipment and the product does not arrive. We like to wait roughly 1-2 weeks to see if it ends up making it to its destination. If no luck, we will happily refund you the full amount. 

Additional information

Condition

New

Manufacturer Part Number

TBW9093

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Shipping Policy

All items purchased from us will be shipped within 1-2 business days. 

Refund Policy

All sales are final unless you receive the product and there is a defect that was not listed in the ad or shown in the pictures. If something happens during shipment and the product does not arrive. We like to wait roughly 1-2 weeks to see if it ends up making it to its destination. If no luck, we will happily refund you the full amount. 

Cancellation / Return / Exchange Policy

You may cancel an order before it is shipped. Please message us if you have any questions.

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