Help to identify this strimmer make and model

[Mickrick]

Hi, I was given this strimmer and would like to get it up and running again for a local community interest group to use. Trouble is there are absolutely no identifying marks on it whatsoever apart from Walbro and Stihl on the carburretor. I am planning to replace the damaged wiring and probably get a new aftermarket carburettor. Can anybody help me find out what make and model this is and what type of new carburettor it needs? Thanks in advance.
Edit: Carburettor is a WA163 it seems but may only be able to buy a refurb kit. Make and model of strimmer still unknown.

 

[Fish]

It is not a Stihl.
Maybe Echo.

 

[Fish]

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[Fish]

Put up a good pic of the air filter, that might help me narrow it down.

 

[Mickrick]

Thanks for your help - here's the air filter.

 

[Fish]

ECHO air filter, #13031006530, new old stock | eBay

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Let me see if I can run down the model.

 

[Fish]

Echo SRM-250E Straight Shaft Trimmer / Brushcutter OEM Replacement Parts From eReplacementParts.com

Shop OEM replacement parts by symptoms or model diagrams for your Echo SRM-250E Straight Shaft Trimmer / Brushcutter!

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[Fish]

Are you in Europe?

 

[Mickrick]

I am - Liverpool in the UK. Definitely looks like the Echo SRM-250E U-handle version from those diagrams. Unfortunately, the ignition coil appears to be discontinued so I'm going to have to bodge this where the lead has almost completely detached. I think a scrap lead and a heavy duty crimp connector are my best bet. Thanks for your help.

 

[Mickrick]

One further question if I may - how on earth do you prime these WA163 carburettors if there's no bulb? Tried blowing into the tank filler to pressurize the fuel line but that only filled the line a few inches. Have fed fuel in through the air filter port and started it but the strimmer dies before the fuel is drawn all the way up to the carb. Quite puzzling particularly as it's a new fuel line and filter.