[WVrider]

I am new to the forum and I am hoping someone can give me a idea of what my problem is.

I am stripping the ex down and was breaking the hub nuts loose. They were extremely tight. When I was trying to loosen the nut I heard a slight tink sound come from either the chain, sprocket or inside the motor. Not sure exactly where it came from. So now I am worried that I make have broke or damaged something in the motor. Just wanting some of yalls thoughts on what it may have been or what I need to look into.


Thanks for your help in advance

 

[XplicitRacing6]

Did you have the bike in gear when you were trying to loosen the bolts? Try putting the rear end in the air, putting it in neutral and rolling the tires/ spinning the axle and listen for a noise

 

[UnkleRaRa]

Maybe the bolt started to break, or it was just the sound of the bolt breaking loose?

When you say hub nuts, do you mean the 4 nuts that hold the wheel onto the hub, or the center nut that holds the hub to the axle?

 

[WVrider]

Yea it was in 1st gear.
It was the nut that holds the hub onto the axle. It know that it wasn’t the nut starting to break loose because I still had to go get an impact gun to get it off. What I should have done in the first place.... I’m just worried it may ha e broke something in the motor like transmission gear... but I now have to motor out because I’m getting everything powder coated. I wasn’t planning on going into the motor at all... just trying to get some ideas

 

[TBRider]

Welcome to the forums

 

[misterclean59]

I think you should put the wheels back on, start it up and run it thru the gears while on blocks.

 

[XplicitRacing6]

I think you should put the wheels back on, start it up and run it thru the gears while on blocks.

He needs to put more than the wheels back on :grin

 

[WVrider]

Ok but it’s going to be a while before that will happen because it is completely disabled and at the powder coating shop. That’s why I was asking if I should be worried about the motor or not because it is on the bench right now and it would be easier to work on it now than when I have it back on the frame.

TBrider
Thanks

 

[UnkleRaRa]

I can't imagine that there is enough compression in the motor to snap a gear before the engine just turns over.

If bump starting in first gear doesn't do it, I don't think you would manage to do it with a ratchet.

 

[WVrider]

I was putting quite a bit of pressure on it and it was the right back hub so I was putting force on 1st gear in a reverse direction. I’m not saying it was a gear. I just don’t know what else it could have effected. It just made that sound metal makes when it cracks. That’s why I’m concerned

 

[UnkleRaRa]

I was putting quite a bit of pressure on it and it was the right back hub so I was putting force on 1st gear in a reverse direction. I’m not saying it was a gear. I just don’t know what else it could have effected. It just made that sound metal makes when it cracks. That’s why I’m concerned

I'm pretty sure that the motor will turn over in the opposite direction of you turned it over by hand.

I see what you're saying, but I would lean more towards the sound just being the nut breaking loose.

It could have just broken through a small piece of rust or something.

With the motor out, pull the spark plug, and try spinning the crank by hand in all of the gears and listen for any noises.

 

[WVrider]

Ok I’ll give that a try and let y’all know what I see

 

[SlammedRanger]

Probably just the clutch slipping. I would be extremely surprised if you could damage the transmission without a 10 foot breaker bar on that nut. Honestly the nut would snap the axle more than likely before doing any damage to the transmission.

 

[retro]

The only thing I can think of making noise is the cam chain tensioner and/or the chain guide... if you applied a lot of force that rotated the motor backwards, the cam chain tensioner might have slipped, or the chain guide may have bent in an arc enough to crack the plastic lining on it. Other than those fragile parts possibilities, I doubt anything else could have gotten damaged, everything else is too beefy.

You can look in on them before you put the motor back in if you are concerned. Let us know if you do...?

 

[WVrider]

I just checked it out and everything seemed fine when I ran it though the gears. Only thing I might have found that seemed different is when it is in neutral and I moved the output shaft it sounded like something clanking around when I turned it back and forward. There wasn’t anything catching and it turned smooth. It just made that clanking noise. Not sure if that’s normal or not.

 

[WVrider]

Aren’t the cam chain guides rubber or plastic? I’m forsure this was a metal sound. I can check the tensioner forsure but I really didn’t want or take the side cover off if I didn’t have to

 

[UnkleRaRa]

That sound was probably just the gear backlash from turning forward and backward.

 

[WVrider]

Oh ok I was not sure because I had never listened to it before.