How would I know if BoyGoFast engine fits on my Frame! help! Confused!

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I might have a problem. I currently have a 21" ZION 660EBB FRAME. I would like to know if I purchase a engine from BoyGoFast (ebayer), wil it fit on my frame? Or do I need another frame. If so can I get some frame reccomendations? In the even that it doesnt fit, I have the
21" Leader LD516h in mind. here are links for the both of them:

http://www.leaderbikestore.com/pd_ld_516h.cfm
http://mountainbikeguru.com/p/457360302/

Im kinda lost this is my first build. I did nothing but read and search, but I cant find nothing? Im not sure how to tell if its gonna fit on my bike. Oh, another question which will be a better choice if I am riding on the streets a 2.1 tire, or 2.3? Im looking for speed, with traction as well. As of now I got Panaracer Uff Da! 2.3, and planing on switching to Continental Town and Country 2.1. You guys think its a good buy? Thanks a bunch.
 

ihatemybike

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That Zion frame is huge and should have no problem fitting the BGF engine.

I'm certain the 2.1" tires will fit, not sure about the 2.3".
 
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That Zion frame is huge and should have no problem fitting the BGF engine.

I'm certain the 2.1" tires will fit, not sure about the 2.3".

No you must have miss read, I have a 2.3 on it already, I want to know if it will get in the way of my chain, or idler when I mount everything up? is there any potential problems I should watch out for?
 

ihatemybike

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I think it would be doable with 2.3" tires. They should only stick out towards the engine's chain and extra .1" (less than 1/8th). Most of the cruiser bikes seen on this site use 2.125 balloon tires, but there are a few choppers with tires near 3" wide.

The Uff Da! is a urban freeride tire made for doing stunts and has a slightly thicker sidewall to resist pinch flatting.

The Town and Country is a city/touring tire made for distance and to resist puncture flats. From my experience the sidewalls are a little weak and wear too quickly.

Of the two tires, I'd run the Uff Da!s. You already have them and they should be a more robust tire overall.
 
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Is everything a Go?

I think it would be doable with 2.3" tires. They should only stick out towards the engine's chain and extra .1" (less than 1/8th). Most of the cruiser bikes seen on this site use 2.125 balloon tires, but there are a few choppers with tires near 3" wide.

The Uff Da! is a urban freeride tire made for doing stunts and has a slightly thicker sidewall to resist pinch flatting.

The Town and Country is a city/touring tire made for distance and to resist puncture flats. From my experience the sidewalls are a little weak and wear too quickly.

Of the two tires, I'd run the Uff Da!s. You already have them and they should be a more robust tire overall.

So overall Do ya think with my frame and tires I will be able to support the engine without an potential problems? Is everything a go?
 

ihatemybike

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It's a quality steel frame that has a good reputation on MTBR. I'd use some rubber between the engine mounts and the frame for vibration dampening. Never perform the drill through mount for the front that the kit talks about, it will weaken the frame. Find another way if needed.
 
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It's a quality steel frame that has a good reputation on MTBR. I'd use some rubber between the engine mounts and the frame for vibration dampening. Never perform the drill through mount for the front that the kit talks about, it will weaken the frame. Find another way if needed.

So, I shouldnt get a new frame? and I was thinking, If I got 2.3 tires will it interfere with the rear drive chain, idler,etc?
 

ihatemybike

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IMHO, I'd try it with the frame and tires you have now. The engine will fit and the tire I'm almost certain will clear the chain, but since I don't have your stuff and a motor kit in front of me I can't guarantee it 100%. There is an off chance that you might need a different rear tire. I doubt it, but there is a chance. Give it a shot and adjust as necessary while you build it.
 
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IMHO, I'd try it with the frame and tires you have now. The engine will fit and the tire I'm almost certain will clear the chain, but since I don't have your stuff and a motor kit in front of me I can't guarantee it 100%. There is an off chance that you might need a different rear tire. I doubt it, but there is a chance. Give it a shot and adjust as necessary while you build it.

Oh, ok I see lol, thanks alot for the adivice, but for reference here are pics of it, and the clearance im dealing with. What do ya think? Should I still try?
 

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