  *** OUT OF STOCK *** TB KLX140 Big Bore Kit & Performance Cam All KLX140s TBparts 170cc Bore Kit and performance camshaft. These parts work great together for an unmatched performance increase. Starting with the complete big bore kit you get a lightweight high compression piston that is 5mm over stock making close to 50% more power. Add the performance cam and the bike will start making even more power at 5500 RPM and carry it to the top end for even larger gains. Turning your KLX140 into a race ready machine or a backyard sleeper! This is one of the best, if not the best kit you can run on your KLX140 to reliably wake it up without breaking the bank. We stock replacements for everything in this kit and jets for the OEM carb are linked below. Not to mention we are continuing to grow our performance and replacement KLX140 parts lineup! Kit features: Huge power gains at the best price! Aluminum cylinder with steel sleeve (63mm) High compression 63mm piston with rings, pin, & clips (Safe on 91+ Octane Pump Fuel) Top end gasket kit Brand new camshaft and bearings This kit does not require boring of the case simply bolt on and go! There are no installation instructions, but if you can replace your piston, you can install this kit. If you dont 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 dealer. The parts are installed in the same manner as the OEM parts. **** Installation note KLX140 camshaft bolts are reverse threaded, turn them right/clockwise to loosen/remove. Factory Carb Starting point for jetting is #40 or #42 Pilot and Main Jet #100 or #105. A performance exhaust will require a larger main jet #105 #110 Jets for stock carb Pilot jets TBW1458, Main jets TBW1584 This kit includes , TBW1544, TBW1545, TBW1543, & TBW1515 |
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