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1-13 of 13 Results
  1. Engine, Exhaust & Cooling
    Basically, the title. As far as I can tell I haven't overheated yet, but this is making me extremely nervous. How do I go about diagnosing this issue? Could this be a coolant issue? Front cylinder eventually gets up to temp, so the bike is firing on both cylinders. My thermostat gauge never gets...
  2. Engine, Exhaust & Cooling
    My VN leaks a little bit of coolant while it's parked and cold. I've attached a picture of where it appears to be coming out. The hose seems fine, and the clamp also seems to be in working order, though I'm not sure if it should be tighter. That's the left side of the bike, the side it's leaning...
  3. Air Intake and Cooling
    Hey guys. I'm pretty new to all this. My dad gave me his old bike as long as i can get it running. I cant afford to take it into a shop so i get to learn maintenance by myself. I got it to run until a few weeks ago when i notices it running really hot even though the gauges all read dead cold...
  4. Carbs & Fuel System
    Hello all, so yesterday I was riding home from work when I stopped to fill up on gas. When I got back on the bike to start it ,it wouldn't start. The starter was spinning just like normal, the voltage on the battery was good, petcock was in the on position. I couldn't seem to get it started...
  5. Engine, Exhaust & Cooling
    I have a 1986 VN750 with what appears to be straight motor oil in the radiator coolant reservoir. I am wondering how bad this is. Do you think just draining the oil, flushing, and refilling will take care of it? Thanks for your thoughts. The rest of the story, if you are interested. I had...
  6. Engine, Exhaust & Cooling
    i know dumb question that i should refer to the manual but i dont have one at the moment how do i add coolant to the system and what type would be best
  7. Engine, Exhaust & Cooling
    New rider, got a 96 vulcan vn 750, guy who had it before me had it sitting for a while. 40000 miles on it, new battery, oil changed, new coolant, spark plugs, ect.. Well to begin the first day I had the bike it was riding fine the whole day up until I parked the bike in neutral and left it...
  8. Engine, Exhaust & Cooling
    So I changed the coolant. I never could get anything to squirt out the bleeder valve under the tank though I put 3/4 a jug of fluid in it. I did rock the bike back and forth on the center stand so any bubble would get released. I rode to work yesterday, it was 39 degrees in the morning and...
  9. Engine, Exhaust & Cooling
    I just purchased an '86 Vulcan 750... love it!... but has a couple of issues. The fan is kicking on, and making a noise that sounds like an electrical 'buzzing', and keeps going for quite a while. I actually disconnected it to stop it so it wouldn't drain the battery. The temperature gauge does...
  10. Engine, Exhaust & Cooling
    Hello all - My radiator drain plug decided to end its life, was leaking badly, and I am now going to have to replace it. That's no big deal really. My question is, after the radiator drains out from taking the old plug out and putting the new one is, is there any 'easy' way to refill the...
  11. Engine, Exhaust & Cooling
    Changed my coolant and added Hyperlube's 20 Degrees Cooler to the mix. To work out the bubbles, I let the engine run at high idle (1500 rpm) for 10 minutes w/o the radiator cap on and the fluid was hot. Shut off the engine and let cool for 20 minutes (+ or-,) capped the radiator, and started up...
  12. Engine, Exhaust & Cooling
    Just purchased my very first motorcycle ever...an 86 Vulcan 750. Rock on. Now I need to get it running in fine form. I have a few questions that I hope some of you can help me out with, since I don't have a users manual yet. What is the oil capacity? what is the coolant capacity? how...
  13. Engine, Exhaust & Cooling
    I have a 1986 Vulcan 750. I recently pulled the motor to fix some timing problems. After reinstalling the motor, I have had nothing but coolant leaks and issues from the right side cover and that P.O.S. coolant tube that goes from the cover to block. I ditched the stock felt gasket and have been...
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