SOHC.co.uk Forums > Project Board
750 K1 project
Crispy:
--- Quote from: K2-K6 on September 09, 2019, 07:26:17 PM ---
The early tanks vent to air from the top generally, they have a built in air oil separator inside the tank that splits oil vapour to drip back into oil supply, with air going out to ground. This is from description in KO manual, you'd have to look at later manuals to see your K model.
They have to vent both tank and crankcase, ultimately to atmosphere, to prevent overpressure in engine.
Sealed completely, it'll try to push oil out of oil seals etc. Also interferes with dry sump system on 750 as you don't need either vacuum or pressure exerting against oil pump operation.
--- End quote ---
Thanks, I understand what it's doing now, mine has the built in separator inside the tank, which as you say vents to ground from the top, the crankcase connects to the bottom.
Green1:
looking great Mick fancy having a crack at mine when your done? :D
Crispy:
--- Quote from: Green1 on September 12, 2019, 09:44:19 PM ---looking great Mick fancy having a crack at mine when your done? :D
--- End quote ---
Cheers Mick, I'm pleased with how it looks but the acid test will be when I come to eventually try and start it it! :o I might have to work on other peoples bikes at some point! I don't think I could afford another one! ;D
Crispy:
Well having connected the oil tank up I started to put some oil in It Only to find it pouring out onto the bike and floor! Damn! On removing it and having a look, I found that the rear oil hose had broken at the tank connection. I suppose better now than later when it's finished! I know These are not cheap! :-\ don't suppose I should trust the one that's left!
Green1:
I would risk keeping the other hose and then regret it as having one new one old would bug me.
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