After your engine is warm, look at your idling speed then try adjusting the air screw. Open it or close it to obtain maximum idling speed. Place the screw driver in the air screw and look at the tacometer
If you open it and the speed increases then your right on track but if you open it and the speed becomes less close the air screw till you get maximum rpm by ear or on the taco meter
If your new at this please look at the taco meter
After setting it look at the rpm on the taco meter and set idle speed to 1400rpm by adjusting the plastic screw on the right side and set the air screw again because after you adjust the idle speed the idling mixture also changes for that particular speed
Donot use the air screw to adjust the speed of the engine. You must obtain maximum possible speed with the air screw and also make sure that it idles stably. You can listen to the exhause sound to get it to idle stably or feel the vibrations or put your ear to the tank and listen to the engine. Any way you feel is best.Donot set your final idle speed lower than 1300rpm as the ns has a short stroke and high compression ratio and can damage your bearings faster.
Please donot adjust the idle speed to a higher rpm and try to adjust the air screw and then bring it back to normal idle speed.
Your setting will be totally lean at correct idle speed and your bike might knock when you trottle to fast since the ns has high compression ratio and the company has set it rich enough to overcome knocking.
Also note that since our engine is an oversquare engine it doesnt have much low down torque. You may get better low down torque if you keep the optimum idle mixture. Setting it slightly richer might also help to improve torque. Donot worry if your setting keeps changing. Its normal with the ns. Donot get tempted to set it again and again. Turning the air screw too much may damage the 'o' ring.
but you will know how awesome it feels when your bike is idling perfectly stable. Its music to your ear and the bike performs much better at lower rpm and incase your setting was way off before it will also improve your mixture at higher rpm slightly as the idling circuit helps the main fuel circuit.
Sent from my GT-S7562 using xBhp Connect mobile app






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