*Listed above are only a few services/modifications Pro Circuit offers. Please call for more details.
**Above pricing is based on a new engine supplied to Pro Circuit. Cost varies depending on engine supplied by customer.
TWO-STROKE ENGINE MODIFICATIONS AND SERVICES*
SUPERMINI ENGINE BUILDS
MINI ENGINE MODIFICATIONS
FOUR-STROKE ENGINE MODIFICATIONS AND SERVICES*
HEAD AND CYLINDER MODIFICATIONS
CR85R, KX85 AND YZ85 SUPERMINI
HEAD MODIFICATIONS (PORT AND POLISH)
CNC-MACHINED HEAD MODIFICATIONS
BORE AND HONE STEEL CYLINDER
KTM 85 SUPERMINI
REMOVE AND REPLACE HEAD/CYLINDER
REMOVE AND REPLACE POWER VALVE
ADJUSTABLE POWER VALVE KTM 65 SX
RECUT VALVE SEATS
FROM $39.95 (PER SEAT)
Modification will increase throttle response, increase power from
bottom-to-top with more over rev and choke removal.
Having your carburetor bored will improve mid-to-top power and is
available for the KX85/100 and CRF150R models only.
Adjustable Power Valve allows the tuner to adjust the horsepower
curve. You can also use the pre-set setting that it comes with.