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X4R Pitster bore kit????

This is a discussion on X4R Pitster bore kit???? within the Roost Area forums, part of the General Talk category; Im putting a TB 170cc V2 kit w 28mm carb on my 160X4R pitster and i need to know what the clearance specs on the ...

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  1. 11-08-2008, 04:07 PM #1
    JA9R1E4D [OP]
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    X4R Pitster bore kit????

    Im putting a TB 170cc V2 kit w 28mm carb on my 160X4R pitster and i need to know what the clearance specs on the valves are, how to set the timing, jetting on the 28mm carb, if i can get the right pipe intake to keep the carb facing towards the rear and where to get it, and some torque specs on the bolts....
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  2. 11-08-2008 04:07 PM
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  3. 11-09-2008, 11:19 AM #2
    JA9R1E4D [OP]
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    Re: X4R Pitster bore kit????

    I need Info please....
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  4. 11-09-2008, 03:30 PM #3
    HACKMUNCH
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    Re: X4R Pitster bore kit????

    i dont think the scut 170 will work with the 160 crank, the pin will fall below the cases.
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  5. 11-09-2008, 06:52 PM #4
    JA9R1E4D [OP]
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    Re: X4R Pitster bore kit????

    Yeah TB sent me the cylinder that works to make it a 184cc... They just got them in....
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  6. 11-09-2008, 06:55 PM #5
    HACKMUNCH
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    Re: X4R Pitster bore kit????

    ok well good luck starting it, we broke every case we had trying to start the 177 untill we got the takegawa decomp cam.
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  7. 11-09-2008, 06:57 PM #6
    T Bolt USA
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    Re: X4R Pitster bore kit????

    we have the adaptor boots to fit your stock intake and run your carb to the rear

    you may need a heat spacer too

    TBolt USA, LLC » Pitbike Engine Parts » CARB KITS » 26mm intake ADAPTOR boot



    the head torque is 110 in lbs

    the timing is just like a 50
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  8. 11-09-2008, 07:35 PM #7
    JA9R1E4D [OP]
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    Re: X4R Pitster bore kit????

    I just need the clearance on the valves??
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  9. 11-09-2008, 07:42 PM #8
    rideredmx2
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    Re: X4R Pitster bore kit????

    Quote Originally Posted by ja9r1e4d
    i just need the clearance on the valves??


    00.3 intake and 00.4 exhaust
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  10. 11-10-2008, 04:08 AM #9
    HACKMUNCH
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    Re: X4R Pitster bore kit????

    .003 on intake and .005 on exhaust.
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  11. 11-10-2008, 02:29 PM #10
    JA9R1E4D [OP]
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    Re: X4R Pitster bore kit????

    Thanks...
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