I just bought a 85' Honda Magna v45, the clutch went out instantly

I just bought a 85' Honda Magna v45. In an instant I lost my clutch, very suddenly. I bled the clutch, and nothing. I press the lever, and it has no pressure, presses too easy, like it is not restricted in any way. When I bled the lines, it did bleed and fluid came out, but I put my finger on the bleeder valve and it hardly has any pressure, it sucks in very well though. The Honda dealer said it could be leaking into something or someplace. It doesn't lower what fluid it has in the container at all, no matter how many times I press the lever. So if it is leaking somewhere, it would lower the amount of fluid in the container, but it is not. Any ideas?


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The clutch hidraulic pump is dead. most probably the diphram is blown.


Posted 1 year ago ( permalink )
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I took apart the hydraulic assembly. I pulled off the boot, then pulled out the plunger, and spring. Do you think if I replace that assembly it would fix my problem. I mean took a look at it all, and it appears in great shape, but i still do no have pressure when I press. Because I put it all back together and i have no change. I didn't replace it just took it apart, inspected it, cleaned it, and put it back together. I am asking because I am not sure what the diaphragm is.


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You can get at a parts shop an overhaul kit for the pump and repair it.


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Thank you. The trouble was not at all a faulty part, I just needed to pressurize the line. Simple fix, not money needed, thank god I spent every dime I had to buy this bike. Thank you all the same.


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your master cyl. is probably bypassing, that is its not providing enough hydroulic pressure to fill the calipers. if the brake lines are not restricted or soft on the inside(im talking about the rubber portion) chances are its your master. calipers will usually leak and if they seize up the brake pedal or in your case the brake handle, would still feel hard. change the master and bleed the system well. flush all old fluid out and you should be fine.


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I am having the same problem with an '85 Honda Magna VF700. How did you pressurize the line??


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