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Thread: honda unicorn - milage

  1. #21
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    Quote Originally Posted by viv.nomad View Post
    hi guys!
    is there any way by which we can incraese milage a little bit w\o sacrificing performence at all. for e.g replaceing piston head with lighter one or smthin
    One has to remember the whole engine mechanism (all moving/mating parts) has to be made lighter by re-designing, making one part 'light' is actually dangerous. The moving parts rotate at quite a high speed and small mass change will result in imbalance, the imbalance force gets bigger in magnitude with higher RPM and in worst case it may fail.

  2. #22
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    Quote Originally Posted by vipin_s View Post
    One has to remember the whole engine mechanism (all moving/mating parts) has to be made lighter by re-designing, making one part 'light' is actually dangerous. The moving parts rotate at quite a high speed and small mass change will result in imbalance, the imbalance force gets bigger in magnitude with higher RPM and in worst case it may fail.
    yup! i know what ur saying i just quoted lighter piston,the idea was originated when i read abt r15's lighter piston... and lighter piston not necessarily mean u redesign whole engine.

    and yes i can understand that parts like gears ,crankshaft rotates at huge rpm so they have huge angular momentum hence one lighter part can cause imbalance , the lighter part might wear FASTER bcoz of heavy thumps of relatively heavy attached parts...

    pistons are relatively isolated entities and they are already taking thumps of explosion in cylinder so there being lighter is actually seems beneficial atleast to me bcoz the gas being burnt will need less effort to move piston down!! and @ high rpm it can produce some srs efficiency!

  3. #23
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    @Ajay: Please do not hijack the thread. Ask the question on the correct thread - in your case the modifications or the Karizma thread.

    Post deleted.
    ...in search of that perfect world - My Travel Blog :)

  4. #24
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    Quote Originally Posted by honda_vings View Post
    mman yesterday i came 2 knw dat honda engine oil is same for scooties and unicorn .
    Cn ne1 confirm it ?
    If its yes ,den do suggest me another oil well tested 4 uni
    i don't want long service interval as i use 2 service my bike frequently i.e every 2000km or after 5 months whichever is earlier.
    just increase in performance as compared to stock engine oil.
    price no bar till 500 Rs. per litre (bt is it really worth?)
    Yes. Got my unicorn serviced today. Noticed that they are using the same oil for both activa and the unicorn! I checked on the Honda website. Both are 10W30 oils.
    Also I noticed one thing, they were adding 2 'Nulon' additives to the oil. Got hold of the additive cans and read the instructions. One was to be added before removing the old oil (it was basically meant for removing the deposits) and the other was to be added after pouring the new oil (It provided extra protection). But sadly I observed that the mechanic wasn't adhering to the instructions written on the can. (There was a particular procedure mentioned for adding the additives which required the running of engine in a particular method).

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