TB Parts TB 170cc Big Bore Kit - Kawasaki KLX140 TBW9204

TB 170cc Big Bore Kit

Fits  Kawasaki klx140

TBW9204

TB 170cc Big Bore Kit – KLX140
TBparts 170cc Big Bore Kit will make your KLX140 a lot more fun to ride by adding some much needed power. This kit does not require boring of the case – simply bolt on and go!!

This Big Bore Performance Kit features the following:

– Aluminum cylinder with steel sleeve (63mm)
– High compression 63mm piston with rings, pin, & clips (Safe on 91+ Octane Pump Fuel)
– Top end gasket kit

Note – A good jetting base for the factory carburetor is +1 size Pilot jet and +1 or 2 sizes up on the main jet.

Installation note – KLX140 camshaft bolts are reverse threaded, turn them right/clockwise to loosen/remove

** Kit should be installed by a certified mechanic to ensure proper function.
Improper installation could result in catastrophic engine failure.