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Hi Folks

I have a 1980 Lawn Boy Bricktop Model # 4531 with a D415 engine and it stops running after 10mins. I purchased a new vented cap and spark plug but now thinking it may be the coil.

Can someone provide the correct Lawn Boy 4531 coil part number as I have tried to search the web with no success.

Thx

jimblob

New Lawnboy Lawn Boy Coil for D Series 678539 | eBay


https://lookup3.toro.com/ttcGateway/acrobat/manuals/lball.html

Hi.. Me again..

What is the correct fuel /oil mix ratio for my 1980 4531 Walk behind with a D415 engine? 16 or 32:1 Fuel /Oil mix ratio?

Thx

Jimblob

jimblob said:

Hi.. Me again..

What is the correct fuel /oil mix ratio for my 1980 4531 Walk behind with a D415 engine? 16 or 32:1 Fuel /Oil mix ratio?

Thx

Jimblob

Click to expand...

https://www.google.com/webhp?source...l mix ratio for lawnboy 4531 with d415 engine

If the engine is all original and has not been altered, 32:1 mix.