Following its third successive disruptive year of F1 racing, McLaren is now pondering a future without engine partner Honda, according to long-time shareholder Mansour Ojjeh.
McLaren and Honda continue to work around the clock to solve the persistent issues which have undermined the reliability and performance of the Japanese engine to date, but the breaking point between the two partners is near.
Ojjeh is a major, long-time and normally low-profile shareholder of the once-great British team, but he was in Bahrain last weekend and expressed his opinion about the current McLaren-Honda situation in no uncertain terms
"The disappointment is huge, even for Honda," he told the French magazine Auto Hebdo.
"We were promised a lot and are the first ones to be disappointed to offer so little. They (Honda) have given their mea culpa, but that doesn't make us look better," he added.
The very latest rumour is that McLaren is drafting in the services of Mercedes, to collaborate with Honda on rapidly improving its dire 2017 power unit.
"We work on different scenarios, of which I cannot speak right now," Ojjeh said.
"But we are spending a lot of time and energy and meetings on finding a solution. And fast. We have a culture of victory and we cannot continue like this."
While McLaren continues to bleed, Ojjeh offered his view on Fernando Alonso's shock decision to tackled the Indy 500 next month.
"Fernando is a great driver who has suffered for two years," he said.
"He wants the triple crown. I told him that he is crazy to go to Indianapolis, but we spoke to Juan Pablo Montoya who told us not to worry, that he will adapt easily.
"Fernando also wants to win Le Mans. In a personal capacity I would very much like McLaren to return to Le Mans, but Fernando wants to do it in LMP1.
"For the moment the priority is a good engine in F1," Ojjeh added.
GALLERY: All the action from the Day 1 in-season testing at Bahrain
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