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Old 06-24-2013, 05:34 PM   #1
bluedxj OP
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Joined: Jun 2012
Location: idaho
Oddometer: 30
atk 406

a friend is selling an atk 406 i think its either a 91 or 94 but its seized up. hes asking 200 is it worth fixing? are parts for those atk's hard to come by? im guessing its a bad piston/cylinder. its kinda got that different cool factor with all the wierd stuff on it. its the model with the disc brake on the engine.
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Old 06-25-2013, 06:36 AM   #2
Rokoneer
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Joined: Sep 2006
Location: Upstate, You Nork
Oddometer: 525
The 406, when running, is an awfully fun motorcycle. Great torque for a two stroke, very linear...

You might want to ask about 406 parts availability on the ATK riders forum:
http://www.atkmotorsports.com/atkbb/
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Old 06-25-2013, 03:42 PM   #3
dsilver1007
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Location: Clemson SC
Oddometer: 285
A seized up ATK could get expensive quick...
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Old 06-25-2013, 05:06 PM   #4
bluedxj OP
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cool thanks theres one at the junkyard but im not sure if the engine on that one turns.
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Old 07-13-2013, 05:47 AM   #5
Foot dragger
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Joined: Dec 2006
Location: chico,just below rag dump(nor-cal)
Oddometer: 12,764
The 406 is a really nice old school torquey 2 stroke,not fast but a great trail engine.

As far as being seized,if the piston is seized,that's one thing.

If the crank/rod/piston is seized from having been run with no oil that's a whole nuther thing.

I take old 2 strokes apart pretty often,despite them being the simplest engine in the world to keep going,backyard yokels who try to ride or work on them routinely destroy them beyond saving.

1. The classic,run with no oil in gas.

2. Second most popular-run em till they have to be towed behind a truck to start,then blow em to bits wide open.

3. Simple and easy seizure,jetting? is rich better or whats lean?

ATK parts are pricey. 200.00 it could be a good parts bike if nothing else.
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Old 07-13-2013, 12:51 PM   #6
JeffS77
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Joined: Apr 2006
Location: Riverside , CA
Oddometer: 3,193
Americandirtbke.com should have most needed parts if you decide to pick it up.

Looks like piston and rings run about $245
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