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Thread: powervavled my atc250r

  1. #1
    Join Date
    Jun 2003
    Location
    englishtown NJ
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    2,676

    powervavled my atc250r

    I put a lrd 310 pv on my 250r yesterday, did 2 break-in cylces and rode it up the driveway after the second, the bike stood straight up all the way!!!! and that wasn't even half throttle, I gotta richen the needle and then I can figure out the main that I need. I'm using a 182 now, 55 pilot and I don't remember what needle. I'm gonna put in the needle I used with my 330 kit.

  2. #2
    Join Date
    Jun 2003
    Location
    englishtown NJ
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    2,676
    and aslo I should add, that lrd did a great job in accomidating it for the atc, the head has the spark plug like it is stock, not like many where the plug comes straight out of the center, you know and the frame rail is right there.

  3. #3
    Join Date
    Jul 2004
    Location
    Mud hill. close to water !
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    3,658
    Welll...... uhm.......... you know this is comming ... right ?

    Pics man .. pictures !!!! come on !!
    Currently :

    82 ATC - 200, plain jane, almost mint. ( Sold, 03-17-2005)
    84 ATC - 200 ES, Jimmy-Rigged, don't ask.( Sold, 03-17-2005)
    85 ATC - 250 SX, Pride and Joy, Bottom-Less Money Pit.
    84 125 M - The Mini-SX not running yet. but won't be long.
    --

    The more people i meet.. the more i like my DOG !

  4. #4
    Join Date
    Nov 2003
    Location
    Michigan
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    1,220
    Yea, I don't see any pics anywhere.

  5. #5
    Join Date
    Jun 2003
    Location
    englishtown NJ
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    2,676
    they will come, I gotta go to the storage to do them.

  6. #6
    Apollo is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    Nov 2004
    Location
    Fort Worth, Texas
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    190
    Alright! I have been waiting for this post Deathman. How is it? I can't wait to get one. How does it compare to stock and the 330?

  7. #7
    Join Date
    Jun 2003
    Location
    englishtown NJ
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    2,676
    I'll be able to tell you when I got riding and finish break-in. I was using a stock ported and decked cylinder for awhile. The 330 kit was all low end and a torque monster, revved slow, the stock cylinder is the opposite(atleast my ported one) all mid to top, so I'm told this 310pv is low, mid and top, focussing on mid and with the powervalve there is less of a hit and thus more controllable power. By the way, the 330 is no longer for sale, I lost the piston somewhere in my garge.

  8. #8
    Apollo is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    Nov 2004
    Location
    Fort Worth, Texas
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    190
    That is a great descriptive reply. That is exactly what I want. I want the revability and topend of a 250. I knew a 330 would be to slow to rev and not responsive as I would want. The 310 sounds perfect and I love the type of power that you described about it. Break it in, I can't wait!

  9. #9
    Join Date
    Jun 2003
    Location
    englishtown NJ
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    2,676
    neither can I, lets hope that the weather is gonna be nice this weekend

  10. #10
    Join Date
    Sep 2004
    Location
    Phoenix, AZ.
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    I am 's seething jealousy.


  11. #11
    350xsx's Avatar
    350xsx is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Jun 2004
    Location
    Tinton Falls NJ
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    348
    have fun!today was some pretty nice ridin weather if it wereent so wet from the last rain....i think im gunna have to get a 250r at the swap meet.....theres 2 old trucks im lookin at in the autoshopper that he wants sold together, so im callin him and if he cant sell em seperate im gunna get an R....

  12. #12
    Join Date
    Jun 2003
    Location
    englishtown NJ
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    2,676
    by the way, also I just put a +1 lsr swinger on the bike tonight and a new lsr axle is getting put on. I need a chain, banchee chain guide, 87-89 brake mount bushing, grease for my grease gun to finish it. Oh well, no trike riding for me this weekend, probably will ride the quad.

  13. #13
    Apollo is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    Nov 2004
    Location
    Fort Worth, Texas
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    190
    Did you get the +4 LSR axle? That is what I have and love it. I hope you get it running soon.

  14. #14
    Join Date
    Feb 2005
    Location
    long island, ny
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    99
    what exactly is a powervalve, i know its for 2 strokes. what does it do, what is it?
    84 cr125
    79 rm125 with pe175 motor (GHETTO!)

  15. #15
    Join Date
    Jun 2003
    Location
    englishtown NJ
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    2,676
    I always had a +4 lsr axle, but I put a new one(other one is slighlty bent) and I can use a spare axle. It runs awesome, haven't ran it on the track yet. A powervalve changes the exhaust port size and timing fooling the cylinder abit, you can port it for extreme top end and the cylinder will still make low and mid power. I'm told you can let it go in 3rd to nearly a stall, and then hit the gas(no cluth) and it is running on powerband, no bogs, no cluthing, also it makes kinda raw power its not so pipey.

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