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Pre-Motorized Bicycle Information. Before you mount that engine to your bicycle frame, you'll want to know if the bike is ready for the engine! Ask our experts here for advice on what motorized bicycle engines perform well on what bicycles.

Any tips for mounting a 70cc on a Schwinn Jaguar?


Discussion at Motorized Bicycle Engine Kit Forum in the Pre-Motorized Bicycle Information. forum. Ok now I am getting a little frustrated. When I fix one thing another thing decides to break. Now I ...
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Old 08-14-2008, 08:56 AM
Motorized Bicycle Builder
 
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Default Re: Any tips for mounting a 70cc on a Schwinn Jaguar?

Ok now I am getting a little frustrated. When I fix one thing another thing decides to break. Now I have 2 things that are wrong.

1. The Carb is leaking right out of the bottom. Its not a really bad leak but its there. I prob just have to get a new gasket in there....fine I can deal with that.

2. So today after work I was looking over the bike and noticed the clutch handle and the cable didnt look right. When I looked closer I noticed the silver thing at the end of the cable that is used to adjust, was stripped our of the clutch handle. So I just tightened it down and things seamed fine. Thats until I noticed that the cable is nearly worn away on the inside. I even oiled this thing up as recommended.

So, now I cannot ride my bike, yet again, because of something else I have to order....sigh......

Any suggestions on a better clutch handle and cable?

Thanks a lot

Last edited by Bikeguy Joe : 08-14-2008 at 03:12 PM.
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  #72 (permalink)  
Old 08-14-2008, 03:13 PM
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Default Re: Any tips for mounting a 70cc on a Schwinn Jaguar?

Try a (good) brake cable and brake lever.
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  #73 (permalink)  
Old 08-14-2008, 06:28 PM
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Default Re: Any tips for mounting a 70cc on a Schwinn Jaguar?

Ok I decided to get these.

Amazon.com: Pyramid Tech Seven Locking Bicycle Brake Lever Set: Sports & Outdoors

Amazon.com: Shimano Dura Ace Brake Cable & Housing Road 1/Pkg Grey: Sports & Outdoors

I just hope the throttle cable stays in check.
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  #74 (permalink)  
Old 08-16-2008, 03:29 PM
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Default Re: Any tips for mounting a 70cc on a Schwinn Jaguar?

dollerman
If you still have your bikes rear sprocket mounted like I saw in one of your pictures and the pdf instructions they are both WRONG. you need to sandwich the spokes with the fiber discs or very soon your rear spokes will be going south. fairracing warned you so you need to listen or soon you will be posting how your rear spokes are breaking.
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Old 08-16-2008, 04:17 PM
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Default Re: Any tips for mounting a 70cc on a Schwinn Jaguar?

Quote:
Originally Posted by Norman View Post
dollerman
If you still have your bikes rear sprocket mounted like I saw in one of your pictures and the pdf instructions they are both WRONG. you need to sandwich the spokes with the fiber discs or very soon your rear spokes will be going south. fairracing warned you so you need to listen or soon you will be posting how your rear spokes are breaking.
Norman
I followed 2 separate instructions and they both say to do it the way I have it. I have considered the warnings from everyone but at the moment it works well and I hate to fix what isnt broken.

If I put the discs the way you say, will this throw off my chain and chain tensioner?
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Old 08-22-2008, 02:52 AM
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Default Re: Any tips for mounting a 70cc on a Schwinn Jaguar?

I was looking at the original instructions you posted. They are good but the sproket install they show is for a sproket that is designed to seat perfectly on a hub. The preasure is on the hub itself, not the sprockets. You can get a Top Hat from Andyinchville http://http://blog.myspace.com/index...ogID=334583408 or a sprockt adaptor from livefastmotors http://http://cgi.ebay.com/ws/eBayIS...l%3FMyEbayBeta . The sprocket alignment will be ok but it will be close. Make sure you're wheel is true.

By the way, how's the bike running?
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Old 12-01-2008, 02:49 PM
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Default Re: Any tips for mounting a 70cc on a Schwinn Jaguar?

What is the size of the bottom frame tube?

I am wondering because I don't have the bike, yet. I am getting it with in a month... and I do NOT want to drill the frame of a brand new bike! I will make a larger plate with 6 holes: 2 for motor mount, then the other two for exhaust clamps. Also, I am planning on wrapping the frame with a radiator hose, to protect the paint.

My understanding is that with this front mount, the rear mount will not reach the frame..., so I was thinking that I will install longer studs, and put spacers and washers between the engine block and the rear motor mount.

I have also heard that there may be a problem getting the tensioner to stay. Is there anyone who can shed some light and give the best solution for this problem.

Thank you all!
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Old 12-01-2008, 04:06 PM
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Default Re: Any tips for mounting a 70cc on a Schwinn Jaguar?

Search for Spring Return Chain Tensioner posted by misterright1_99.

It works.

Ted
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Old 12-01-2008, 04:40 PM
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Default Re: Any tips for mounting a 70cc on a Schwinn Jaguar?

Quote:
Originally Posted by xPosTech View Post
Search for Spring Return Chain Tensioner posted by misterright1_99.

It works.

Ted

LINK....Motorized Bicycle Spring Loaded Chain Tensioner

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Old 12-01-2008, 05:52 PM
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Default Re: Any tips for mounting a 70cc on a Schwinn Jaguar?

Quote:
Originally Posted by fairracing31 View Post
Yeah I could have posted the link. I gave him the exact title and author. I thought "Maybe he needs help in how to search."

Ted
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