secrets surprises

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    josh

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    secrets surprises

    Post by josh on Wed May 23, 2012 4:49 am

    well my scooter had not been running right still dont know untill rideout tommorow but i have just checked plug thats fine saw that its a 150 ages ago like and i have just found out it has been seriously down jetted is that good or bad for power though?
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    Wally
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    Re: secrets surprises

    Post by Wally on Wed May 23, 2012 6:03 am

    depends how 'down-jetted' - if you're using a cold plug then this may counter balance the effects of the smaller jetting


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    josh

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    Re: secrets surprises

    Post by josh on Wed May 23, 2012 6:10 am

    well my main jet should be 100/102 and it is a 76 and my plug is a bh7es and should be a bh6
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    NorthernJordan
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    Re: secrets surprises

    Post by NorthernJordan on Wed May 23, 2012 6:35 am

    I'd set up in the right region, ie jetting and plug choice, so you know thats not the cause of all the problems. Could your performance issues be down to your needing a rebore or some new rings?


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    Wally
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    Re: secrets surprises

    Post by Wally on Wed May 23, 2012 6:40 am

    I didn't think they even did 78 main jets for si carbs. AFIK they don't go lower than 96 (could be a 9 that looks like a 7?) So I'd double check that. Likewise you need to be running a B6HS plug - the short reach type.


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    “Some people will tell you that slow is good – but I’m here to tell you that fast is better. I’ve always believed this, in spite of the trouble it’s caused me. Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba…”
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    2ToneJake

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    Re: secrets surprises

    Post by 2ToneJake on Wed May 23, 2012 9:55 am

    if the jettings that low i'm surprised you havent blown a piston yet! especially if you've got an aftermarket pipe
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    josh

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    Re: secrets surprises

    Post by josh on Wed May 23, 2012 6:27 pm

    Am defo sure said a 76 and a b6 will make run hotter iv tryed one them a think me exhaust blocked or suttin more though

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