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Discussion Starter · #4 ·
Ill check the output shaft . looks like its coming from left side but maybe only because it leans that way on the kick stand. Shiifter shaft is dry and oil filter and drain plug seem ok.Only leaks a few drop a night in the garage. IS this covered under warranty. The bike is a 2015 but only has 70 mi. now?
 

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I have a 2015 street 750. Had the same issue. Got it replaced once at the 1000 mile checkup. Second time at 3,500 miles. Basically twice in the first two years, and before I put it away this year, I noticed it was leaking again at just over 4,500 miles. This was my first bike, so I thought the initial time might be wear from me basically learning on the bike. The second time, I had paid better attention when shifting and such. Then after this third time. I don't know. The general consensus I've gotten from people, is that their neutral safety switches are just a cheaply made part or perhaps a bad design. I'm planning on doing it myself this time around. They list at the dealer for 9$ and some change when I asked a little over a year ago. I don't know if that's still accurate. But it does seem to be a common problem.
 

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Discussion Starter · #8 ·
wow.. Thanks for the info. Doesn't sound promising for the future. I also noticed sometimes i can put the bike in neutral and the neutral light doesn't come on.Probably due to the bad safety switch. It also doesn't start in this condition without the clutch pulled in.
 

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I also had a problem with the N Light not coming on. Had to play with the pedal to get it to turn on. Dealer replaced the Switch. 2nd time back, Had to remove the Spring and clean out the hole. There is a grounding Pin that was sticking
 

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Cappy1966. Yeah, everytime mine busted, it was the same. If you play with it a hair you can get the light to come on. And it will start in neutral sans clutch because it's telling the computer you are in neutral. But when this happens, you will start to get the leak. (Because the neutral safety switch housing cracks, which relieves pressure on the o ring that seals the shift linkage rod running through the casing) It's not a huge one, and if your a conscious about everything, it's not unrideable. Just keep an eye on the oil level. (At least till you can get it fixed.) Also motor and tranny both take from the same oil resevoir. It doesnt have separate transmission fluid. So you get too low and it could damage one or the other. And if the leak is severe, oil could get on the rear tire causing issue. Mine has never been that bad. Use your own judgement. And wipe off the housing before you ride it. Don't get me wrong. I love my bike, they are quick, mean, very underestimated little machines. Being a car mechanic, i understand all vehicles have their quirks, or badly designed parts. So as I said before, the part itself was around 9$ and the job quote I got (mind you this was over a year ago. And I live in nh-so no sales tax) was 90-100$ So I'll keep on fixing mine for now. It could be a lot worse. Like that fuel pump issue a lot of us went through. Haha. That was a scary ride.
 

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"Loose Nut" from Bandera, Texas
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A small leak can be lived with, depending where it is. Oil that drips anywhere that can be blown back onto rear tire should be fixed asap. Oil where any electrical connections get soaked is bad. I hate having to clean oil off bike and clothing. Fixing a leak is normally more time efficient than all the extra cleaning. Then there's the one time you go out for a quick ride, don't check oil and ruin engine. Best to fix any oil leak.
 

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Hi. I have oil leakage with what looks like green anti freeze in it (just a guess), that’s coming out from what appears to be a breather hose? Not sure but it pokes out from the bottom rear end of the motor. It all started when I checked the oil and found it had none so I topped it up with full synthetic 20w50 oil. Went for ride around a small course in a car park and after about half and hour of stopping and taking off again, I notice quite a bit of liquid coming out from the bottom. Checked it and found the breather-like hose. I tried the hose and it goes up to the top of the engine somewhere. I have just purchased this second hand and have had it for 2 days. Thanks for any thoughts on the matter.
 

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Check for coolant water in the radiator. See if the oil turned a chocolate color due to water. If the radiator needs to be topped off, oil turned tan, it's a head gasket. I'd get my money back or the price of the repair job to take it off his hands and recoup some money back. But then again, buyer beware.
 

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Check for coolant water in the radiator. See if the oil turned a chocolate color due to water. If the radiator needs to be topped off, oil turned tan, it's a head gasket. I'd get my money back or the price of the repair job to take it off his hands and recoup some money back. But then again, buyer beware.
Awesome and thanks for the response. I checked out that hose by taking the seat off my St 500 and found that it led to the coolant reservoir. I was obviously mistaken. I looked at the coolant liquid and there is probably less than a quarter left. Should i still check radiator? I have not had that leaky problem again. The bike runs good, its holding oil as I checked it but not sure if i should check whilst its leaning on the stand or levelled out so i did both. Appreciate your response thanks.
 

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Hi once again.
As mentioned above, I had just under a quarter of coolant left in the coolant reservoir and went for a kind of obstacle course ride, (like they make you do for BHST) for about an hour then I decided to check coolant reservoir. The coolant liquid was almost gone. Can anyone tell me what's going on please? Some idea is better than my idea which is none. Thanks
 

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"Loose Nut" from Bandera, Texas
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They make a coolant additive that glows under ultra violet light. This would help you determine where the leak is.

Liquid Fluid Plant Ingredient Tints and shades
 

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1. Top radiator off when bike is upright.
2. Buy a new radiator cap.
3. Check to see if the oil turned from shinny gold to cloudy brown tan, but now I don't think so, but still clear that away.

But it sounds like it cannot retain the close once past the 14.7 pressure at the blow off cap, or radiator cap.
That's why I think the res is low because it purges out coolant, overfills the res, then when it sucks it back in, it dries the res of what is left.
What you are seeing is the dribble of the cycling. Most likely peppering the back of the bottom of the bike with coolant.

So that should say it still leaks with the old cap. Those are universal is the guess so, a NAPA store, or a Honda dealer and match the cap to the HD. I'm thinking the small size caps, being it not for a V8 sized radiator, right?
 
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