TBParts - 146cc Bore kit
VM 26 Carb kit & TB HC Piston for GPX & YX Engines

TB GPX & YX 146cc Top End KIT

OD of cylinder skirt is 59mm

Meets or Exceeds OEM Specifications.

Key Features:

• All inclusive kit for a substantial power gain over stock
  
• All aluminum cylinder for greater heat dissipation over stock
• VM26 Mikuni carb for dependable, consistent performance

Recommended:

• Sta-bil fuel stabilizer - W-57-1109
  
• Uni foam filter spray - W-82-1000

Application:

• Pitster Pro 125
  
• GPX 124cc
  
• THUMPSTAR 124cc
  
• BRAND X MINI 125
  
• UPC 125
  
• EVOS
  
• KRP
  
• OGM/YX 140 (not steel Cylinder lifan type)
  
• GPX 140
  
• Pitster pro X2 or X4 140cc
  
• Piranha 125 & 140 (not steel Cylinder lifan type)
  
• Xtreme 124cc Typhoon
  

For use with LF 27/23 or TB 30/23.5 heads use TBW9066

Kit Includes:

• TBW0601 - Cylinder
• TBW0424 - Gasket set
• TBW0823 - Piston
• TBW0301 - Throttle cable
• TBW0433 - Intake kit
• TBW0399 - VM26 carb
• TBW0413 - Air filter