At a complete loss. Very frusturated and confused.

[SEBanshee]

I got the cases back together and mounted in the frame of my Banshee. Every time I go to tighten the primary drive gear nut onto the crankshaft, it messes up the crank bearing on that side, and the crank shaft will not turn over by hand. I even had to buy a new bearing and replace the old one because it would not spin right. And now its doing it again. I tighten it down, and now the crank will not spin by hand. I have to use a wrench on the flywheel nut to spin it, and its very resistant. I'm not tightening the nut down hard either. The torque listing for it in my Clymers manual is around 47 ft. lb. I wasn't even close to that on my torque wrench when it got like that. I just dont know whats going on. If anyone can help I would really appreciate it. Thanks.

[ohiobanshee]

What exactly does it do to the bearing?Can't understand how tightning two gears and a spacer against the inner bearing race could lock the crank.

[SEBanshee]

What exactly does it do to the bearing?Can't understand how tightning two gears and a spacer against the inner bearing race could lock the crank.

 

I dont even know exactly. They just dont want to spin afterwards. They have a lot of resistance.

[ohiobanshee]

Why did you tear the motor down to begin with?

[SEBanshee]

Why did you tear the motor down to begin with?

 

I got the crank welded.

[ohiobanshee]

Is the bearing comming in contact with the weld when you tighter the nut?Pull the crank back out and tighten the nut,look to see if the bearing touches the weld.Or the weld hitting the cases putting the bearing in a bind.

[jmd0346]

Well youve definitely got something in there wrong. The primary will only thread on so far and thats not far enough to affect the bearing. Theres a seal between them. Is it in correctly?

[SEBanshee]

Well youve definitely got something in there wrong. The primary will only thread on so far and thats not far enough to affect the bearing. Theres a seal between them. Is it in correctly?

 

Are you sure? I push the primary in until it stops, and I think it comes to rest with the bearing. I could be wrong though. When you say "seal" are you talking about the crank seal with the "ridges" on one side?

[jmd0346]

Are you sure? I push the primary in until it stops, and I think it comes to rest with the bearing. I could be wrong though. When you say "seal" are you talking about the crank seal with the "ridges" on one side?

 

 

 

Yeah thats the seal I mean. The crank is cut and keyed so that the primary will only go on so far. It doesnt contact the seal much less the bearing. Youve got something assembled wrong. Do you have the seal in properly. Ridges go inside.

[SEBanshee]

Yeah thats the seal I mean. The crank is cut and keyed so that the primary will only go on so far. It doesnt contact the seal much less the bearing. Youve got something assembled wrong. Do you have the seal in properly. Ridges go inside.

 

Yep ridges are inside. I'll get pics tomarrow after I tear it back down again, so you can see how I have it assembled.

[SEBanshee]

Alright everyone, I have pics of it. It was said earlier that the primary gear and bearing are not supposed to contact each other when pushed in all the way, unless its assembled wrong. Well, you can see in the pics below that it does infact touch the bearing. If anyone can help as to what I'm doing wrong based on the pics, I would appreciate it very much.

 

 

 

 

 

 

 

[sheerider1026]

tork it down on there with the top case off.. it is possible that the weld on the crank is too thick and coming in contact with the bearing.. that is what sounds like is happening.. from the picks it looks assembled right, would be better to see in person of course.. if the weld does contact it, file it down some.

[C&B]

Allrighty then....... Who did the weld on the crank??? Does it spin freely out of the case?? Do that then re-post, so we know the results.

[SEBanshee]

tork it down on there with the top case off.. it is possible that the weld on the crank is too thick and coming in contact with the bearing.. that is what sounds like is happening.. from the picks it looks assembled right, would be better to see in person of course.. if the weld does contact it, file it down some.

 

I was starting to think the same thing. I think whenever I tighten it down, the primary pushes the bearing into the welds, and makes it very hard to spin.

 

 

 

Allrighty then....... Who did the weld on the crank??? Does it spin freely out of the case?? Do that then re-post, so we know the results.

 

I had the crank welded by Port Magic Racing. He seemed to be a good person to go to, as a lot of people on everything2stroke suggested him to me. Plus, hes only like an hour and 30 minutes away. The bearing does not spin freely when the crank is out of the case. However, the old bearing that this happened to the first time seems to spin fine, and its off the crank.

[jmd0346]

Damn. This is a wierd one. It almost has to be the welds. I was trying to remember how it was assembled and didnt remember the drive making contact but it does appear to contact the inner race. Judging by the pics. You say the bearing doesnt spin free?