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Thread: Few things on the RX 135

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    Rusted arvindraju's Avatar
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    Default Few things on the RX 135

    got hold of a RX 135 2004 model,special thanks to pradeep for this

    now coming to the part,i was adviced to move to RDD CDI & Uni Filter for better performance

    since i am short of cash now,wont be going for that upgrade now

    want to understand the real Benefits of the RDD CDI & uni filter

    any written literature or write about this ? want to know how these things work & there benefits

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    Rusted Aryan's Avatar
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    Topic Moved and Approved.
    ...in search of that perfect world - My Travel Blog :)

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    the stock airbox has a small air flow capacity.it is usually done so to improve mileage(less airflow= less petrol).to see how much an engine sucks air and how restricted it is, just open the battery cover.u will find a inlet pipe to the airbox on the right top side of the battery.
    now start the engine and rev it with a hand close to the inlet.
    see all the air gushing through?
    the reason why uni is recomended over a k&n is that because of a k&n's design cone, it tends to send a reverse wave which will screw ur jetting and is not healthy for a two stroke engine

    the cdi offers benefits in the following ways
    1-improved spark strength
    2-dynamic timing

    spark strength would mean ur fuel/air mixture is burnt more efficiently
    dynamic timing adjusts ur spark timing(with respect to crank angle)depending on rpm
    at low rpm's the engine needs to fire after tdc(called retard).however at higher rpm's the spark should occur at or before tdc(called advance).however on a static system the spark point is set at a fixed angle(say 23 deg.) at all/any rpm's.hence the spark timing is off(not perfect) at most rpm's except where it is timed.

    rdd cdi is a dynamic cdi and hence has the above mentioned advantages.
    the above explanation is very basic.there are a few of other factors in all of this.

    the uni supplied by rdd has the advantage of ets supplied with it to match ur bike.
    hence u wont have to roam around searching jet sizes to sort ur jetting issues.
    Last edited by mohsihummer; 06-16-2009 at 07:26 PM. Reason: typing mistake

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    Rusted arvindraju's Avatar
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    ^^^ thanks for that

    you got me confused here:

    the reason why uni is recoended is that because of it's design cone, it tends to send a reverse wave which will screw ur jetting and is not healthy for a two stroke engine
    can you please elaborate ?

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    post edited
    an k&n will send a reverse pulse through ur carb making the fuel richer.it is fine for a 4-st but on 2-st it's not appreciable.
    it's a problem due to k&n design

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    Rusted arvindraju's Avatar
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    ^^^ thanks for that looks like a worthy upgrade

    any idea of the pricing for the RDD CDI & Uni Filter for the RX 135

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    ask torqu3e on this forum or on rddreams.com
    i believe its <3k for the rx cdi ver5
    and 1800 for uni with jets for rx
    howver contact torqu3e to confirm.

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    Rusted desideep's Avatar
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    Quote Originally Posted by mohsihummer View Post
    ask torqu3e on this forum or on rddreams.com
    i believe its <3k for the rx cdi ver5
    and 1800 for uni with jets for rx
    howver contact torqu3e to confirm.
    it is 2800 and not in stock rite now and even the UNI and the jet is not in stock
    |NO WHEELS|

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    Aravind whichever arrives first either RDD cdi or Uni i will inform you ..
    "Engine tuning is not an exact science, but with some practice and patience you'll get comfortable with your skill and be able tune for any conditions mother nature throws at you"


    Still the Boss -- RX 135

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    ^^ thanks pradeep

    looking to change over all maroon also to 2003 big cat con silencer

    whats your say ?

    thinking to sell that red tank,shields & silencer
    Last edited by arvindraju; 06-16-2009 at 11:11 PM.

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