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Thread: atc 70 project help...motor swap?

  1. 10-15-2010, 08:27 PM #16
    parker88
    parker88 is offline First Time Rider Arm chair racerNew to the board
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    bump...I need answers lol
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  2. 10-15-2010, 09:46 PM #17
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    atc350xer
    atc350xer is offline The Enthusiast. Teaching quads a lesson
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    Quote Originally Posted by parker88 View Post
    what kind of chain and sprocket setup are you guys running with the 125 motors?
    I dont have any of the stock wires or anything from the 70 motor. My 70 is just a roller. Is there anything from the pitbike motors that is supposed to hook up to any of the old wiring or anything?
    http://www.3wheelerworld.com/showthr...ght=suspect+70


    Feedback Thread : http://www.3wheelerworld.com/showthr...-for-atc350xer
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  3. 10-15-2010, 11:06 PM #18
    Race Demon
    Race Demon is offline At The Back Of The Pack Arm chair racerFirst time rider
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    The Piranha motor comes with all the wiring you need, the only stock thing you use is the on off switch, you will also need an air cleaner, the stock sprockets from a 70 will fit that motor, since you don't have a front sprocket I would start with a 14 tooth on the front and run the stock back one with 420 chain for stock tires, the gearing is a bit high for stock tires but you will have plenty of motor to start with, as you get adjusted to the motor you may want to change the gearing to suit your riding
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  4. 10-16-2010, 12:04 AM #19
    86trizinger
    86trizinger is offline Got The Holeshot Arm chair racerJust too addicted
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    I run a 16 tooth on my 140 Piranha engine.
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  5. 10-16-2010, 02:03 PM #20
    parker88
    parker88 is offline First Time Rider Arm chair racerNew to the board
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    Quote Originally Posted by Race Demon View Post
    The Piranha motor comes with all the wiring you need, the only stock thing you use is the on off switch, you will also need an air cleaner, the stock sprockets from a 70 will fit that motor, since you don't have a front sprocket I would start with a 14 tooth on the front and run the stock back one with 420 chain for stock tires, the gearing is a bit high for stock tires but you will have plenty of motor to start with, as you get adjusted to the motor you may want to change the gearing to suit your riding
    Will any kill switch work?
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  6. 10-16-2010, 02:08 PM #21
    86trizinger
    86trizinger is offline Got The Holeshot Arm chair racerJust too addicted
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    Yeah any switch should work. I have a a little dirt bike push button switch on mine to keep it simple. If you want a headlight plan on a switch with a headlight switch on it. Same thing if you want electric start.
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  7. 12-14-2010, 06:02 PM #22
    parker88
    parker88 is offline First Time Rider Arm chair racerNew to the board
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    Quick question guys...would a 2007 honda crf 80 motor fit in a atc 70?
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  8. 12-14-2010, 06:22 PM #23
    biggyb12
    biggyb12 is offline New to the board Arm chair racerNew to the board
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    No thats an upright motor 70's are lay down check this site out has everything you'd ever need to know about building a 70 http://www.glamisdunes.com/invision/...p?showforum=50
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  9. 12-14-2010, 11:44 PM #24
    parker88
    parker88 is offline First Time Rider Arm chair racerNew to the board
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    biggyb12, Thanx for the link
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