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Thread: atc70 flat track wheels and tire info needed

  1. 01-27-2018, 10:34 AM #31
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    big specht
    big specht is offline Power User Roostin Away
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    The dirt slicks will hook up too on the right track or in a wet yard and throw you off too!
    If its on the internet its got to be true they can't put any lie's on the internet
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  2. 01-27-2018, 12:00 PM #32
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    redsox
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    Quote Originally Posted by big specht View Post
    The dirt slicks will hook up too on the right track or in a wet yard and throw you off too!
    I expect it to be a bear. What tires would you reccommend Specht?
    Wubba Lubba Dub Dub!!!!!

    TRIKES:
    86 250r
    85 250sx
    86 250sx
    84 Yamaha 225DX - Bruins Trike
    85 Yama 225DX - The Rental!
    150cc Piranha powered 70
    110cc Lifan 70
    82 70
    83 ALT 50 Trail Buddy
    88 Yamaha BW 80
    84 z50
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  3. 01-27-2018, 01:02 PM #33
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    HairyJR
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    Quote Originally Posted by bkm View Post
    Nice job toast. Those look really nice. Hairy, the od is 3.5 and the bolt pattern is the American kart 3x2.5. I turned a shoulder just like toast did to center the ring and used a center punch to mark the holes. I'm drilling and tapping these for 8mm 1.25 studs/bolts. I don't like the 1/4 kart bolts and actually broke one racing my 250r, so I drilled them out to 5/16-20 and never had a problem after that...
    bkm thanks for the info. Instead of using '70 hubs I've got several pairs of cast steel '90/110 hubs and think there a thicker flange and give additional thread engagement.

    "HJ" Click image for larger version.  Name: oldfogey.jpg  Views: 40  Size: 1.2 KB  ID: 249761
    ’84 YT60
    ’85 350x (423cc) with ’81 XL500 head conversion
    ’83 XR500 (628cc) converted 3 Wheel hybrid
    ’73 CB750 K3 converted 3 Wheel hybrid
    ’86 TRX250R chassis XR650L engine hybrid
    ’89 TRX250R (stock )
    ’90 LT500 Quadzilla
    ’85 FL350 Odysses ( water cooled head )
    Lost (sold) but not forgotten ’80 ATC 110 (205cc on alcohol ) ’83 200x ( 222cc ) ’83 200x ( 185s eng ) ’85 350x ( stock )
    added to the collection recently, (2) '70 US90 Aquarius Blue and '74 ATC90 Daytona Orange
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  4. 01-29-2018, 09:54 AM #34
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    The eBay trigger finger is getting itchy. Anyone have any thoughts? I think i'm gonna go with slicks. Width and height are my main questions now.
    Wubba Lubba Dub Dub!!!!!

    TRIKES:
    86 250r
    85 250sx
    86 250sx
    84 Yamaha 225DX - Bruins Trike
    85 Yama 225DX - The Rental!
    150cc Piranha powered 70
    110cc Lifan 70
    82 70
    83 ALT 50 Trail Buddy
    88 Yamaha BW 80
    84 z50
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  5. 01-29-2018, 10:08 AM #35
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    bkm
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    Hopefully someone who has messed with the kart tires on a 70 will chime in on what they ran. I'm no help on a 70.
    '86 ATC 250R, Build Thread http://www.3wheelerworld.com/showthr...highlight=250r
    '86 "Factory Tri racing" Tri-Z http://www.3wheelerworld.com/showthr...b-Top-Tank-ect
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  6. 01-29-2018, 12:50 PM #36
    big specht's Avatar
    big specht
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    It all depends on what you want to do with it as for size tires and wheel width
    If its on the internet its got to be true they can't put any lie's on the internet
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