Stihl Br450C No Start

Benjamin.haynesiv

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May 13, 2023
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Customer had a few older stihl products sitting in shed. Said go ahead and tinker as i havent started them in years.

straight trimmer(fs-90r
chainsaw(ms251)
Blower(br450c)

Chainsaw and trimmer only needed a clean ou with new plug/fuel and chain for the saw.

The blower had mudwasp buildup in muffler assembly bolts and the ignition wire to spark plug was eaten off.
I replaced muffler assembly with new gasket
I replaced ignition coil assembly as well as new plug and fresh fuel

I didnt expect the built in auto start system to work with the unit sitting for about 5 years now

I tried pull starting and all i get is a whiney sound coming from module area. Is it even worth tinkering more if the CU is faulty?

Thanks
 
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