Mounting onto a oval-like frame?

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dimentio

New Member
Jan 5, 2013
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philadelphia
Hi all, I got my new bike in a few days ago. The lower frame has this odd oval shape tube, I'd say like a wide diamond.... how do you go about mounting a motor on to such a frame? It may be hard to see, but it looks like this (') instead of a regular circle like this O

 
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dimentio

New Member
Jan 5, 2013
71
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philadelphia
Couldn't find anything on my particular type of frame... everyone on that thread has a wider, but still perfectly rounded frame. I was thinking U bolts, but I heard it could break the frame. If I wrap the frame with rubber would it help?
 
2door

2door

Moderator
Staff member
Sep 15, 2008
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Littleton, Colorado
dimentio said:
Couldn't find anything on my particular type of frame... everyone on that thread has a wider, but still perfectly rounded frame. I was thinking U bolts, but I heard it could break the frame. If I wrap the frame with rubber would it help?
Click to expand...
Do Not use rubber or any resilient material between the mount, engine and frame. It must be mounted solid with no soft material between the parts.

Odd frame tube shapes are common and engine mounts can be a challenge. Especially the front one which sometimes must be a custom fabricated item.
Is your frame steel or aluminum?

Tom
 
maniac57

maniac57

Old, Fat, and still faster than you
Oct 8, 2011
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memphis Tn
I don't use threadlock and mine are fine after several thousand miles. Just check them every ride for the first few weeks, and once in a while after they take a set.
If you simply must use loctite, use blue.
I don't risk it on these cheap aluminum cases.
 
48ccbiker

48ccbiker

New Member
Apr 5, 2013
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California
I dont see why you want to spend the same cost again for a top end. Why not just port the one you have (or will get)? For getting the top speed you want just keep raising the exhaust port till you get it. Or just use a smaller rear sprocket.
 
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