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Z900 A4 poor running

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Saxon
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Posts: 1
Joined: 12th Jun 2022
Location: Skegness

Z900 A4 poor running

#1 PostAuthor: Saxon » Tue Sep 02, 2025 12:44 pm

Hi
I live in the Skegness area. Does anyone know if there is anyone who can repair Z900 a4’s in the Lincolnshire area? Had carbs cleaned and refurbished but, still runs like crap.
Thanks

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Ultim8pc
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Posts: 2285
Joined: 5th Sep 2014
Location: Keighley, West yorkshire
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Re: Z900 A4 poor running

#2 PostAuthor: Ultim8pc » Tue Sep 02, 2025 3:44 pm

Sorry to hear you have issues.
Not running right is a common and often hard to resolve issue and can be a combination of issues.
Please see this article I wrote, based on decades of working on theses bikes:
https://airevalleyclassics.co.uk/badrunning.html
http://www.airevalleyclassics.co.uk
10% discount code Z1OCTEN
Keyster rebuild kits & carburettor spares - airscrews, jets, needles, starter plungers & gaskets.
Also petrol/ethanol proof float bowl gaskets. IMD pistons preferred seller.


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