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Thread: what engine modificationsneeded 4 70 to run fast

  1. #1
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    Default what engine modificationsneeded 4 70 to run fast

    i want to modify my super star 70 engine which runs about 100km/h without any modification but i want it to go further so what kind of modifications are really helpful. can i put 5 gears in it?

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    Yeh , 15 pprocket is good,
    change the cdi to cg 125

  3. #22
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    it should go on 1o5kmph

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    consult FC he is sorta gOD of 70 bikes alteration if you see his threads and modifiction you will go Mad... his moded china 70s can get head to head with sports 250cc Japs... so Ride with your fantacies .....
    https://www.pakwheels.com/forums/motorcycle-travel-diaries/277725-sober-riders-visit-khunjerab-adventurous-way-via-nori-pass

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    Default Hey Bro Plz PLz help

    Quote Originally Posted by Juste View Post
    My cousin changed the sprocket of his metro 70cc bike. Today i tested the bike, it is damn butter smooth, pick is much much better then stock, acceleration is increased and I was amazed by the performance of 3rd and 4th gear of bike. These both gears seems very very long. Bike going on and going on. I will ask him more things. I could not check the top speed since speed o meter needle dance whole time.
    I Hav Also a 70cc Metro ....Top speed is 85 km But someone told me k agr 15 ki sprocket [Garari] Lga loon 1 week k liyay aur us k bad wapis Original Wali to 120 maray ga .........But Kuch log bol rhay hain k GaraRi change krnay say engine bayth jaye ga .Plz plz help

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    15 sproket se 95-100 pe chala jy ga stock main.
    lekin 120 stock nai marta ,stock ki power usy 105 tak poncha sakti hy bassssssssssssss

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    It is simple mathematics. Change in the Final Drive Ratio can change the
    the top speed . Firstly you can start by changing the small sprocket by one tooth smaller than the stock,then take a test drive and note the change in the top speed. Second step is to increase one tooth of the bigger sprocket. Then take your bike for a test drive. It will increase the top speed. But you do not get anything without a sacrifice. Yes your acceleration will be a little less than before. It is the opposite if you want more acceleration, which i would do in city traffic for day to day commuting. Good luck for your modification

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    150 cc SuZuki le lo dear.*!!

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    Default

    Quote Originally Posted by bikerz View Post
    i want to modify my super star 70 engine which runs about 100km/h without any modification but i want it to go further so what kind of modifications are really helpful. can i put 5 gears in it?
    Please don't do that
    100 Km/h for CD 70, too much, imagine if you collide by the mistake of other person, what will happen ....
    or
    If you can afford, buy a bike which support that speed with safety ...

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    Put NOS in bike :thumbup:

    Sent from my ST25i using Tapatalk 2

  11. #30
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    Charhai pe ja k dhalan pe Full Accelerator de do 120 na touch karey to bolna
    Proud Owner of Jialing Jh70 Model 2003

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    i have seen some people in Lahore with naked cd 70s
    no mudguards
    no meter
    no indicatos
    no tapay
    just a smal headlight
    once i asked a boy about this mystery, he replied that it decreases the weight of bike and hence speed increases
    -

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    Quote Originally Posted by bikerz View Post
    i want to modify my super star 70 engine which runs about 100km/h without any modification but i want it to go further so what kind of modifications are really helpful. can i put 5 gears in it?
    The best and most effective thing you can do to speedup your bike is to temper its meter
    -

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    I feel for the unfortunate bike which is being ra*ed like hell.These bikes die in 20k kms or even less.If i had been IG traffic i would have siezed all these nangi bikes,they are a menace and danger for everyone around them.
    The one thing that unites all human beings, regardless of age, gender, religion, economic status, is that, deep down inside, we all believe that we are above-average drivers.

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    The difference will be a few milliseconds. You may get slightly more acceleration but only engine modifications can change the game. A good mechanic can adjust the engine fuel air combustion ratios to get more power.

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    Quote Originally Posted by bikerz View Post
    i want to modify my super star 70 engine which runs about 100km/h without any modification but i want it to go further so what kind of modifications are really helpful. can i put 5 gears in it?
    its old thread ..

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