This model needs special tools I tell you that I manufacture them due to the difficult thing to get them and pay them but here I leave the dimensions of the fillet bolt that brakes the crankshaft and if you download the plate manual that is the same engine you can see that the other tool that brakes the camshafts is easier to manufacture
If you fail to visualize it, send me an MP and pass it to the mail.
And if the information is useful to you, remember to thank Greetings from Nicaragua.