$objectManager = MagentoFrameworkAppObjectManager::getInstance();

$product = $objectManager->get('MagentoCatalogModelProduct')->load($id);

$productStockData = $this->stockRegistry->getStockItem($product->getId());

$productStockData->setData('is_in_stock', 0);

$productStockData->setData('qty', 0);

$productStockData->setData('manage_stock', 1);

$productStockData->save();

echo "<pre>";

print_r($productStockData->getData());

exit;

$product->save();