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TBParts - 165cc Bore Kit, Race Head V2 and 28mm Carb Kit
for DRZ110 and KLX110

Vital Information
Part No TBW9029
Stock Level Out of Stock!
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165cc Bore Kit, Race Head V2 and 28mm Carb Kit for DRZ110 and KLX110

For 2002-2009 no additional parts required
For 2010-Present must use TBParts cam sprocket for KLX and DRZ110 2010-Present
For TBParts race heads
[TBW0645 cam sprocket] NOT INCLUDED

This is our latest complete kit to turn your KLX110 into an absolute beast! This kit includes our new Race Head V2 and while the new head may appear to be the same on the outside as our other KLX110 type race head, internally it has gone through numerous changes. The addition of roller rocker arms and a new camshaft are the biggest changes followed by bigger valves and ports. The exhaust valve is now stainless as well (21-4N material). This all adds up to a cylinder head that puts out a professional level of performance yet is still affordable for the privateer rider. The kit also includes an all aluminum ceramic plated 64mm skirted cylinder. This cylinder is lighter than a steel sleeved aluminum cylinder, reduces friction (increasing power), improves sealing, and provides better heat transfer (runs and cools down quicker). We top off the roller head with a 28mm performance carb kit that is easy to tune and works great with this large bore kit. Unlike other kits, our head gasket kit also includes a head o-ring set and exhaust gasket so you don't have to re-use your old ones or make a trip to your local dealer to get new ones and spend more money. These are high quality parts and require CASE BORE.

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 for your bike available in TECH DATA or from your local Kawasaki or Suzuki dealer. The parts are installed in the same manner as the OEM parts.

Exceeds OEM standard equipment specification


  • TBW0473 cam is stronger through the low and mid range with a little less on the very top.
  • TBW0577 cam is a little stronger on the very top with less through the low and mid range.

Key Features:

  • Roller rockers, 30mm intake valve, 24.5mm exhaust valve, 27mm intake port, 23mm exhaust port (valves installed). Now with Aluminum Rocker Arms
  • SKIRTED All aluminum ceramic plated 64mm cylinder
  • Lightweight high compression 64mm piston with rings, pin, & clips
  • 28mm Performance Carb (125 main/50 pilot)
  • Race Head V2 Intake Kit (to match larger intake port on V2 head)
  • Jet kit for varying conditions and exhausts


  • Kawasaki KLX110 - 2002-2009
  • Kawasaki KLX110 and KLX110L 2010 - Present (with additional TBW0645 sprocket)
  • Suzuki DRZ110 - All Years

Kit Includes:

  • TBW0459 - Head & Valves
  • TBW0473 OR TBW0577 - Cam
  • TBW1250 - Cylinder
  • TBW0503 - Gasket
  • TBW0590 - Piston Kit
  • TBW0321 - Throttle Cable
  • TBW0362 - Intake kit
  • TBW0327 - Jet Kit
  • TBW0490 - Carb
  • TBW0491 - Filter
  • TBW0305 - Gasket

Available Options:

Cam Choice:

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