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Piston identification

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dave cullen
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Piston identification

#1 PostAuthor: dave cullen » Wed Feb 19, 2025 9:58 am

Mentioned these before, they came from an 1100 Lawson rep, any idea if they are standard, stamped ART and 181, can't see anything on crown, look quite decent so was going to put on ebay unless anyone here interested. Pm me for more pics if so, thanks
Dave
20250218_120550.jpg
20250218_120544.jpg
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Z900A4 Z1000A1

dave cullen
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Posts: 1513
Joined: 3rd Jul 2002
Location: edinburgh

Re: Piston identification

#2 PostAuthor: dave cullen » Tue Feb 25, 2025 1:27 pm

Now on ebay
Z900A4 Z1000A1

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zed1015
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Re: Piston identification

#3 PostAuthor: zed1015 » Tue Feb 25, 2025 5:48 pm

ART are OEM pistons and if it's a genuine 1100R motor they will be Unitrack pistons.
The 1100R is essentially a Unitrack bathtub motor with carbs.


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