Briggs & Stratton Corp., billed as the world’s largest manufacturer of small gas engines, has filed for bankruptcy protection citing challenges due to the coronavirus pandemic, the company announced Monday. As part of the Chapter 11 filing, the Milwaukee-area company said Monday it has secured secured debtor-in-possession financing of $677.5 million from KPS Capital Partners LP, the private equity firm purchasing its assets, and its existing lenders to allow it to continue operating ahead of the closing of the deal. “Over the past several months, we have explored multiple options with our advisors to strengthen our financial position and flexibility,”...