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● YUMINASHI SENSOR BLOCK (FOR LARGE THROTTLE BODIES)
● This sensor block is mentioned for all the GROM/MSX/MONKEY125 tuners who are using a CBR125 / CBR150R / KITACO 34MM / FORZA300 throttle body in combination with the stock ECU.
If you have one of these installed on your bike, then you will find out that they act all alike, this is too rich at lower RPM's (hard to drive smooth at low RPM's in a low gear, hard to pick up RPM's from there), and too lean at higher RPM's (hot running engine and risk on piston damage).
Installing the Yuminashi sensor block, which comes standard on all Yuminashi throttle bodies, eliminate that phenomenon entirely which allows you to start tuning with other fuel injectors.
Without this sensor block installed you will find out that you can't get rid of the too rich or too lean phenomenon with only changing fuel injectors, if your air fuel ratio is spot on at high RPM's, then it will be way too rich at lower RPM's and vice versa.
■ This sensor block can also be installed on the CRF250L / CBR250R and CBR300R throttle bodies.
Order the Yuminashi sensor block today, and get your tune finally right!
All prices are in USD