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Thread: Atc 90 stroker crank

  1. #1
    Join Date
    Nov 2015
    Location
    Davenport iowa
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    1,144

    Atc 90 stroker crank

    How much would a stroked 90 helm and sons or bapp crank be worth to some one ?

  2. #2
    Join Date
    Jun 2013
    Location
    Oceanside, CA.
    --
    610
    What size stroke is it? Price goes up with size.....

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  3. #3
    Join Date
    Jul 2009
    Location
    South Florida
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    6,722
    I was selling new 58mm H&S strokers for 275.00 but hey I think I was selling them cheap
    78 atc 90/180cc Dickson Full Suspension
    76 ATC90/180cc Nicholson
    77 atc 90 Dickson Full Suspension
    84 KLT 110/123cc Powroll Racer from 80s
    87 atc 125m stock
    84 atc 200x Curtis Sparks
    84 atc 200x Powroll My race bike from 80's
    83 atc70/108cc Powroll blue Xmas Special
    81 atc185s HP-ATC full suspension

    Performance Shop is Open PM me for Service

    My Feedback http://www.3wheelerworld.com/showthr...ck+shortline10

  4. #4
    Join Date
    Feb 2011
    Location
    San Marcos Ca.
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    704
    Quote Originally Posted by DAM shop View Post
    How much would a stroked 90 helm and sons or bapp crank be worth to some one ?
    Hay I've sold two BAPP 110 60mm cranks brand new in the box,in last 30 days for $400 each. It's all timing ........
    * 1970 US90 Red
    * 1978 ATC 90/180 Helm&Son, Bandito /3D springer. ( Spaghetti Winder )
    * 1978 ATC 90/128 Bandito / Ace Williams Springer.
    * 1980 ATC 110/ ? Helm&Son, Dickson Full Suspended
    * 1981 ATC 110 MTC Full Supended
    * 1985 ATC 200s
    *1986 ATC 250R/310 2"+ Westcoast Swinger

    http://www.ebay.com/usr/jwheeler760

  5. #5
    Join Date
    May 2013
    Location
    Brownsville, Tn.
    --
    1,271
    The Helm would be more desirable. Built to last and for abuse. The BAPP were "disposable". You could buy them with out a core. I raced a couple BAPP's back in the day and had major failure with both. One twisted and the other the rod snapped.

    Most common size on the 90 was a 58mm. I think you could go up to about 60mm and that was about it on the 90. My brother has a 60mm Long Rod Helm in his Dune Bike.
    As HairyJ said, Price goes up with size. Speed Cost.....How fast do you want to go. lol

    Click image for larger version. 

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    * 1978 ATC 90/180 Pauter PJ1 / Springer "Team BAPP" Bike *

    * 1980 ATC 110/180 "Danny's Machine Works" 3D Sprint Dune Bike *

    * Nicholson 500 Race Bike *

    * HPATC Yamaha RD350 "Big Moe" Trike *

  6. #6
    Join Date
    Nov 2015
    Location
    Davenport iowa
    --
    1,144
    Quote Originally Posted by HairyJR View Post
    What size stroke is it? Price goes up with size.....

    "HJ" Name:  oldfogey.jpg
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    Not sure of the stroke hairy, easy way to measure it on a bench? The loose crank I have is a powroll..

    Sent from my XT1650 using Tapatalk
    Last edited by DAM shop; 02-05-2018 at 08:16 PM.
    90 nickolson Bored and Stroked "The Good"

    Big Bore 110 Pauter frame "The Bad"

    90 Bored and Stroked “vey’s frame” "The Ugly"

    110 JSC frame Bored and Stroked
    flat track build. “Shop trike”

    1974 original 90 X 2

    1974 Original 70.

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