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Trail Bikes 143cc Big Bore Kit, Race Head V2, and Intake Kit – Kawasaki KLX110 02-09

Kawasaki KLX110 '02-2009
Please Call for Availability


TB143cc Big Bore Kit, Race Head V2, and Intake Kit – Kawasaki KLX110 02-09

This Race Head V2 comes with forged aluminum roller rockers, 30mm intake valve & a 24.5mm exhaust valve. A big 27mm intake port brings it all in while a 23mm exhaust port let's it all out. Comes with a race camshaft V2-1 for Race Head V2.
Comes with a ceramic coated all aluminum cylinder with no steel sleeve.
Have the new updated lightweight high compression domed 60mm piston w/ quality piston rings & wrist pin & cir-clips.
Also comes with a head gasket kit that includes the cylinder head o-ring set and an exhaust gasket.

This kit is the same as the complete kit minus the carburetor, throttle cable, and air filter.
It does include the Intake Kit that is port matched to the V2 head & allows you to run the carb selection below.

Carbs that fit above carb intake:
     -Mikuni VM24, VM26, & VM28
     -Keihin PE26 & PE28
     -OKO 26mm
     -TB 28mm
     –Aftermarket replica versions of above Mikuni & Keihin carbs (w/ boot, spigot type only)

The FF0321TB throttle cable will work with most of the above carbs and for the air filter, a 42mm or 49mm mount filter will work depending on the carb used and we have both types available in this section. (If you can not find we can have a rep help you out just call or email us!!

Features of this kit:
It includes the TB Race Head V2, race camshaft, and a larger intake manifold. While this head may appear to be the same on the outside as the previous (discontinued) TB race head & stock heads, yet internally it’s had numerous differences. The addition of forged aluminum roller rocker arms along with a new camshaft is the biggest changes followed by bigger valves and ports. The exhaust valve (like the intake valve) is also stainless steel now made of 21-4N material, this all adds up to a cylinder head that puts out a professional level of performance yet is still affordable. The kit also includes an all aluminum ceramic coated 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). In 2020 we upgraded the piston for higher compression and more power. 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 no machining to the cases or other modifications – Just bolt on and go!

     -Kawasaki KLX110 2002-2009

Add a stroker crankshaft for even more power! (Call or email for info)

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 from your local Kawasaki or Suzuki dealer. We also have a link on our website in the INFO section under KLX110 where you can download the shop manual. The parts are installed in the same manner as the OEM parts.

If you have any questions please call one of our knowledgeable and friendly techs at 833-327-8507


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  • 6.0 lbs.

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