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

Description

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.

feature:

* 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

Yamaha ZUMA 125cc YW125

Yamaha Cygnus-X 4V 125

MBK Flame X 4V 125cc

this is best choice for your scooter engine upgrade

everything show in photo

include

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!