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Trail Bikes 108cc Big Bore Kit +Roller Rocker V2 Race Head + Stroker Crank + 26mm Carb Kit - Z50  XR50  CRF50  XR70  CRF70

Trail Bikes V2 Race Head, 108cc Big Bore kit, with stroker crank and 26mm carb kit
Honda Z50 88-99; XR50 CRF50, All Years;
and Various 50cc 12 Volt Engines
Pricing: $879.95


Trail Bikes V2 Race Head, 108cc Big Bore kit, with stroker crank and Mikuni 26mm carb kit makes a 50cc a whopping 108cc
Honda 1988-1999 z50
All Years XR50 CRF50
All Years XR70 CRF70
Various 12 Volt Engines

Includes the following:
      - New V2 Roller Rocker Race Head
      - 28.5mm intake Valve
      - 23.5mm Exhaust Valve
      - 5mm Valve Stem
      - 26mm Intake Port - Matches Intake Manifold Kit TBW0433
      - 23mm Exhaust port
      - High Performance Race Camshaft (For V2 Head)
      - 51mm Crankshaft with NTN bearings
      - Lightweight aluminum cylinder with steel sleeve
      - Cast in mounts on cylinder for aftermarket skid plates
      - Oversized cooling fins on cylinder for efficient heat dissipation
      - High compression 52mm piston with rings, pin and clips
      - 52mm Top End Gasket Set
      - Genuine Mikuni VM26mm Performance Carb (VM26-606 Series)
      - Intake Kit
      - Jet kit with 3 different sizes (Stock size is a #195 - Extra jets sizes of 155, 165 & 175)
      - Throttle Cable
      - Dual Layered Foam Air Filter
      - All pistons in the V2 kits are new with CNC machined piston domes
      - Head kit includes all hardware
      - Head kit Includes all covers

Please Note: It will save a lot of time and effort if the oil pump is installed while installing the bore kit (requires cylinder removal) Make sure to order a high output oil pump part #TBW0226.


  • K9118TB
  • K9118TB
  • Trail Bikes
  • New


Shipping Information

  • Item Requires Shipping
  • 11.0 lbs.

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