If you are looking to upgrade your klx 140 motor, you will need to add a bigger carb and remove all air restrictions from factory. This kit comes in 3 different sizes to best match your engine modifications.
CNC Machined Manifold
Ported and polished Carb
Hand welded Stainless Pipe
Comes with jets for tuning 10 of each
Main jet 100, 105, 108, 110, 115, 120, 125, 130, 135, 140
Pilot Jet 32, 35, 38, 40, 42, 45, 48, 50, 52, 55
FITMENT
KLX 140 All Year
We will send an email, Facebook Messenger or Webpush when product available. Your email address will not be shared with anyone else.
Stockify application @2026 by Nitro Apps