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Honda Unicorn

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  • sreejesh613
    replied
    Re: Honda Unicorn

    Originally posted by babumon123 View Post
    Hi can anyone post a photo of the carburettor air screw with washers, O-ring and spring. Does it have a metal washer and 2 O-rings?? My carburettor has only one O-ring and a spring only. No metal washer. Don't know if it was lost
    AFR mixture screw have two O rings, a spring and a metal washer.
    Check in the carburettor cavity where you insert the screw for the metal washer. It could be stuck there.

    Attaching two pics of the screw along with its packaging.

    Leave a comment:

  • Arjunkalyanram
    replied
    Re: Honda Unicorn

    yeah 110 fitted right in the bike ..but the chain cover is very near..
    i bought MRF for 2500 with fitting !
    Originally posted by Vipergts07 View Post
    1 size is usually not a problem in any bike. So 110 should be fine. Decided on make and brand yet?

    Leave a comment:

  • babumon123
    replied
    Re: Honda Unicorn

    Hi can anyone post a photo of the carburettor air screw with washers, O-ring and spring. Does it have a metal washer and 2 O-rings?? My carburettor has only one O-ring and a spring only. No metal washer. Don't know if it was lost

    Leave a comment:

  • Vipergts07
    replied
    Re: Honda Unicorn

    1 size is usually not a problem in any bike. So 110 should be fine. Decided on make and brand yet?
    Originally posted by Arjunkalyanram View Post
    i am going to change the stock tyres as they are worn out .am planning to go for 110 90 18 tyres for the rear ..do they fit in correct without any problem ?
    and am also intrested in tail tidy and half frame chain cover does any one have any suggestions ?

    Leave a comment:

  • Arjunkalyanram
    replied
    Re: Honda Unicorn

    i am going to change the stock tyres as they are worn out .am planning to go for 110 90 18 tyres for the rear ..do they fit in correct without any problem ?
    and am also intrested in tail tidy and half frame chain cover does any one have any suggestions ?

    Leave a comment:

  • Vipergts07
    replied
    Re: Honda Unicorn

    Keep a note of the number of turns done by you. Track the mileage for a tankful or 2. If you are happy with it then, stick to it for the future. Remember the factors mentioned earlier affect afr substantially.

    Leave a comment:

  • Vipergts07
    replied
    Re: Honda Unicorn

    You must have already googled it, that's the ideal method to get the correct AF mix for any carb. Works great if it works. I usually follow the method mentioned above. I know its not ideal, but it works for me.

    Have been on shell full synth for the past 2 yrs. Recently I got the Mobil super moto 10w40 along with the stp moto booster. The stp surprisingly worked really well and the smoothness was surprising for my 12 yr 65k kms odo. Decided to try it after seeing it in yt. But an adjustment to the afr maybe be needed post usage of the stp cleaner. The fuel quality also affects the afr, specially for an old bike. This has been my experience.
    Originally posted by babumon123 View Post
    So if we turn the air screw clockwise the the mixture will become lean right??..I tried first setting idle RPM to 3000, then slowly turning the air screw till a constant rpm is reached, then again adjust the idle RPM screw to 1400. Is it correct method. I did tuning because my unicorn has missing after cold start. Also what is your opinion about fuel system cleaner.

    Leave a comment:

  • babumon123
    replied
    Re: Honda Unicorn

    So if we turn the air screw clockwise the the mixture will become lean right??..I tried first setting idle RPM to 3000, then slowly turning the air screw till a constant rpm is reached, then again adjust the idle RPM screw to 1400. Is it correct method. I did tuning because my unicorn has missing after cold start. Also what is your opinion about fuel system cleaner.
    Originally posted by Vipergts07 View Post
    Isn't that what I explained in the last post? What do you need exactly?

    Leave a comment:

  • Vipergts07
    replied
    Re: Honda Unicorn

    Isn't that what I explained in the last post? What do you need exactly?
    Originally posted by babumon123 View Post
    Can anybody share their carburettor tuning experience in unicorn 150.

    Leave a comment:

  • babumon123
    replied
    Re: Honda Unicorn

    Can anybody share their carburettor tuning experience in unicorn 150.

    Leave a comment:

  • babumon123
    replied
    Re: Honda Unicorn

    Thank you very much brother.
    Originally posted by Vipergts07 View Post
    There will be a slight difference between different machines. It also matters how much load its pulling, condition of air filter, the sp and engine oil. But yes, figure would be something between 1.5 to 2.5. First put at 1.5, ride a km or so, see how it feels. You will know immediately if the bike likes it or not. Turn to 1.75 and ride again. 1/4 turns at a time. Carry a small screwdriver with you. Engine needs to be warm though, to get an ideal setting. If done on a cold engine the rpm will go upto 3-4k idle speed when hot.

    Leave a comment:

  • Vipergts07
    replied
    Re: Honda Unicorn

    There will be a slight difference between different machines. It also matters how much load its pulling, condition of air filter, the sp and engine oil. But yes, figure would be something between 1.5 to 2.5. First put at 1.5, ride a km or so, see how it feels. You will know immediately if the bike likes it or not. Turn to 1.75 and ride again. 1/4 turns at a time. Carry a small screwdriver with you. Engine needs to be warm though, to get an ideal setting. If done on a cold engine the rpm will go upto 3-4k idle speed when hot.
    Originally posted by babumon123 View Post
    Anybody else confirm this please

    Leave a comment:

  • babumon123
    replied
    Re: Honda Unicorn

    Anybody else confirm this please

    Leave a comment:

  • babumon123
    replied
    Re: Honda Unicorn

    Thanks dear.
    Originally posted by sreejesh613 View Post
    1.5-1.75 turns out

    Leave a comment:

  • sreejesh613
    replied
    Re: Honda Unicorn

    Originally posted by babumon123 View Post
    Hello dear friends..I have a unicorn 150 2016 model run 26000km.I just cleaned the carburettor today.but I didn't note down the number of turns when I removed the air screw for cleaning. Now I am confused what is the factory setting of number of turns of the air screw. Given that I didn't rotate the idle RPM adjuster screw, at what number of turns should I keep the air screw for factory setting.
    1.5-1.75 turns out

    Leave a comment:

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