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Makotosun

Re:Building the AT2 sleeper hot rod

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Replied by Scootern29 on topic Building the AT2 sleeper hot rod

Dose send me an email again. I don't know what happened to it. Need to talk soon. Going to start assembling.
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10 Sep 2015 17:22 #41

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Replied by dose on topic Re:Building the AT2 sleeper hot rod

I'm not done with this bike yet. I have been collecting parts for the next stage of upgrades. I want to do the once a year vintage motocross race in my town so some suspension and wheels will be next.

I have a set of 1975 MX360 forks and triple clamps to put on after they get new seals and oil and some clean up

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72 AT-2 with some mods
19 Sep 2015 01:01 #42

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Replied by dose on topic Re:Building the AT2 sleeper hot rod

The MX valving, larger fork tubes and extra travel should handle the bumps better. The offset of the clamps should help the steering and straight line stability

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I also got a set of classic high flange Ancron aluminum wheels with magnesium brakes to save unsprung weight for better handling. (But mostly because I think they look super sweet!)
21" front and 18" rear. The rear cleaned up pretty easy but the front needs complete disassembly and new spokes.

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19 Sep 2015 01:14 #43

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Replied by dose on topic Re:Building the AT2 sleeper hot rod

The rear is getting a 1" extended swing arm and a custom set of 13.75" bypass Curnutts from Scootern29. Thanks for hooking me up Scott, I am really looking foreword to putting those bad boys on.


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19 Sep 2015 01:30 #44

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Replied by dose on topic Building the AT2 sleeper hot rod

Havent had time to work on my bike for ahwile. I did ride it the other day to work and it made me want to get back on the project.
My Curnutts are begging to be put on but I am waiting until I modify my extra swing arm first
collected a few more parts too...

new front and rear sprockets. 17/50. the ratio is close to what im running now 16/45 but a tad lower to get me in to 6th gear sooner. I am hoping the bigger sprockets help with the chain clearance rubbing on the swingarm after the 13.75 curnutts jack up the rear

my front 21" ankron is dissasembled and waiting for the "clean up" resto
I scored some NOS spokes and the hub is clean and ready
New front pads are on the way
MX fork is ready to go on and I got new tapered bearings for it
upper triple clamp has been stripped and painted but lower still needs love

I wish there was more time in the day
72 AT-2 with some mods
18 Oct 2015 03:03 #45

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Replied by dose on topic Re:Building the AT2 sleeper hot rod

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Had some snowy days so decided to build a swing arm jig and extend my extra swing arm
Here it is next to the stocker
I also shaved off the peg mounts and chain guard tabs

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11 Nov 2015 20:36 #46

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Replied by dose on topic Re:Building the AT2 sleeper hot rod

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Big swing arm needs big shocks

Scott I'm jealous of your resivoir Curnutts on the el cheapo bike




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11 Nov 2015 20:44 #47

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Replied by Makotosun on topic Re:Building the AT2 sleeper hot rod

I have a close friend who runs an MX front end and extended swinger on his AT1MX and the bike is virtually bullet proof.





And a close up of the modified chain cover:





Capt. Dave has seen this bike in action . . . :Throttle
IF it isn't one thing, it's another.
Last edit: 11 Nov 2015 21:40 by Makotosun.
11 Nov 2015 21:39 #48

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Replied by dose on topic Building the AT2 sleeper hot rod

WOW awesome bike!!
did he cut and extend his or just running the later model arm?
72 AT-2 with some mods
11 Nov 2015 21:50 #49

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Replied by Makotosun on topic Building the AT2 sleeper hot rod

He cut and extended his. He is a metal worker so makes up most all of his own stuff. He has 6 or 7 bikes and all are of this or greater quality. I will try to get him to post up some pics.
IF it isn't one thing, it's another.
11 Nov 2015 21:57 #50

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