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coolant leak

  1. Coolant Burst

    General Discussion
    Need a little diagnostic help!! I was riding down some beautiful country roads. Cruising at around 40 mph. Then out of nowhere I feel a splash and my right arm is all wet. I look down and it’s green. I thought it was some kid maybe threw some Gatorade on me while I was riding but there was no...
  2. Coolant leak near the mechanical seal on a CX500

    Technical Help Forum
    I'm in the process of restoring a 79 CX500 and while changing the oil I noticed it was milky. After some research I saw it would most likely be the mechanical seal. I used shep's method to replace it. The one that was in there was in bad condition, and so I left everything sit for a few days and...
  3. 1981 GL500 coolant leak.. Looking for expert advice

    Technical Help Forum
    Hello everyone, I have a 1981 GL500 that's been giving me a headache because of a coolant leak and I am looking for expert advice (and maybe piece of mind) that this problem can be fixed... Here is a little bit of background on the motorcycle... It started with a small drip out of the weep...
  4. coolant "weeping" - problem or normal?

    Technical Help Forum
    My '81 GL500 is "weeping" coolant from that typical place, at the back of the motor. Not a lot, so I am not sure if this is allowable. I read on the Triple By-pass page (please don't tell me I have to do that!) that the weep hole is there to allow spillover to weep out, and this is stated as if...
  5. I don't like all this weeping

    General Discussion
    My '81 GL500 is "weeping" coolant from that typical place, at the back of the motor. Not a lot, so I am not sure if this is allowable. I read on the Triple By-pass page (please don't tell me I have to do that!) that the weep hole is there to allow spillover to weep out, and this is stated as if...
  6. Rear Coolant Leak

    Technical Help Forum
    Hello all, I am about to purchase a 1979 CX500 custom as my first bike. Bike is running fine, the only issue my friends dad (very mechanically knowledgeable) was able to spot was a coolant leak when we started the bike. the leak can be seen on on the right side of the bike where the water pipe...
  7. Purchasing first bike

    Technical Help Forum
    Hello everyone I am very new to these forums and I hope I am posting in the right section. I am about to purchase a 1979 Honda Cx500 Custom from one of my very close friend's family friend. It will be my first ever bike as well. The bike runs mechanically fine as the guy's son used to ride it...
  8. Coolant Leak and Loss of Power

    Technical Help Forum
    The answers to these questions may be posted somewhere else, but I couldn't find them, so please forgive me if they are. A little background first. I did a"double bypass," I guess, this past winter. I replaced the cam chain and tensioners and the mechanical seal. After getting it started up and...
  9. WATER coming out of straight pipes, NOT coolant...waaahh?!!!

    Technical Help Forum
    I've been lurking on this here forum for a while now, and it has allowed me to successfully accomplish many mechanical undertakings by my lonesome. I own a 78 cx500, and I just recently completely a triple bypass. SOOO here's the issue After getting engine back in frame and putting the bike...
  10. White Exhaust Smoke (Vapor)

    Technical Help Forum
    I have reviewed other threads, relative to internal coolant leaks, but I'm still not certain as to the likely specific source of the problem. I have a 1980 CX500 Custom, bought through a dealer (likely with (1) owner) in early summer 2015, with 9,000 miles, having been apparently well...
  11. Sudden leakage of coolant

    Technical Help Forum
    Hi all, The other day as I got home there was water running down the engine block. I have stripped down the waterpump and found 2 potential causes. 1 The rubber gasket is very compressed but as the leak was coming from the vicinity of the weep hole I decided to check the mechanical seal. This...
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