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Air Fuel Ratio adjuster Yamaha ZUMA Fi 125cc YW125 Fuel Injection

Categories: ECU - Air Fuel Ratio Adjuster

  • USD
  • $105.00
  • Shipping:$25.00


Brand New in Box

NCY Brand A/F ratio adjuster ( for fuel injection engine only)
second generation version with  more fuction.
you can setup A/F ration for each thusand RPM
you also can setup for idle ratio, 2000rpm,3000rpm,will up to 15000rpm
this device no need to modify or cut ECU wire harness
increase ratio it will increase fuel volume match your performance cylinder kit.
also no need to change injector.
you can use original injector & A/F ratio adjuster
for your engine with big bore kit.
this kit can work with 160cc 58.5mm ~ 180cc 63mm bore size cylinder kit
without change injector.
if you install cylinder kit over 58.5mm will recommend
upgrade intake kit and throttle body to 28mm~30mm size or bigger one.
bolt on kit , easy install.
NCY instruction include.
this device not only can increase Air/Fuel Ratio.
also allow you can decrease A/F Ratio.
Air Fuel Ratio Adjuster can let you change ratio for your need.
* Exclusive technique to increase & decrease Air-Fuel Ratio
** Small Size / Spaceless
***Easy to install & Simple to adjust
****Able to attach bore up jet & Throttle valve
will for 
following Fuel Injection engine 
YAMAHA BWS 125cc YW125  (air cooled engine) 2009-2015
Yamaha  ZUMA 125cc YW125 (air cooled-engine)2009-2015
Yamaha Cygnus-X  4V 125 (air coled engine) 2009-2015
MBK Flame X 4V 125cc (air cooled engine) 2009-2015
this is best choice for your scooter engine upgrade
everything show in photo
NCY Air Fuel Ratio adjuster
cable wireharness
**NCY Air Fuel ratio adjuster is a bolt on kit.
will perfect work with original injector no need to replace to 10 holes injector.
this NCY AFR (Air Fuel Ratio)adjuster also 61mm ~65mm big bore kit
if you already instller other type high fuel volume injector, this device also can decrease fuel ratio for match your bore size.
this kits vary popular in Taiwan and Japan area,
also popular on scooter race track
premium quality from Taiwan!
the product will  ship from Taiwan
combine shipping welcome!

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