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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. Originally Posted by fairracing31 I just use the bench grinder and a punch and hammer and knock it out....I ...
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  #31 (permalink)  
Old 07-09-2008, 07:29 PM
Bikeguy Joe's Avatar
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Default Re: Any tips for mounting a 70cc on a Schwinn Jaguar?

Quote:
Originally Posted by fairracing31 View Post
I just use the bench grinder and a punch and hammer and knock it out....I know I took some pic's to do a thread about it but I have no Ideal what I did with the pic's. It's in my PC somewhere.

That's what I've done for 30++ years....then I bought a P.O.S. Bell/walmart chain breaker which lasted exactly three times. I bought a Park tool and used it once just to test it......I could still use the grinder and punch method, it's just as fast and accurate, only thing is you can't re-use the link once the grinder has had it for lunch.
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  #32 (permalink)  
Old 07-09-2008, 10:32 PM
Motorized Bicycle Builder
 
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Default Re: Any tips for mounting a 70cc on a Schwinn Jaguar?

Bad news. I screwed up the chain because the tool I bought kept sliding off the pin and ended up damaging the chain enough to make me wanna wait to get a new chain.



Anyone know a good place to look for a chain? I live in Philadelphia if that helps.
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  #33 (permalink)  
Old 07-09-2008, 11:23 PM
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Default Re: Any tips for mounting a 70cc on a Schwinn Jaguar?

I get my chain at a local place...If you can find like a place that has go-karts and outdoor power equipment you can get a chain thier.

Most of the guy's here get it at Tractor supply, I noticed they went up in price, you might want to check Northern Tools, last time I checked it was $9.99

#41 chain....It will look alot smaller then the stock chain, but it will work great.

http://motorbicycling.com/f3/replace...hain-1139.html

Search Results.....Tractor Supply

roller chain from Northern Tool + Equipment

Yes I just checked...$17.99 at tractor supply....$9.99 at Northern for 10ft
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  #34 (permalink)  
Old 07-10-2008, 01:28 AM
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Default Re: Any tips for mounting a 70cc on a Schwinn Jaguar?

Quote:
Originally Posted by fairracing31 View Post
I get my chain at a local place...If you can find like a place that has go-karts and outdoor power equipment you can get a chain thier.

Most of the guy's here get it at Tractor supply, I noticed they went up in price, you might want to check Northern Tools, last time I checked it was $9.99

#41 chain....It will look alot smaller then the stock chain, but it will work great.

http://motorbicycling.com/f3/replace...hain-1139.html

Search Results.....Tractor Supply

roller chain from Northern Tool + Equipment

Yes I just checked...$17.99 at tractor supply....$9.99 at Northern for 10ft
Thanks for the info! I just ordered the one from northerntool. I also chose ups AIR so I hope it comes by Friday
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  #35 (permalink)  
Old 07-18-2008, 08:04 AM
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Default Re: Any tips for mounting a 70cc on a Schwinn Jaguar?

The Bike is built!!! Now all I have to do is adjust the chain tensioner and im set!!! I will take some detailed pics to show my awful work. But maybe it will help anyone else wanting to build on a JAG.
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  #36 (permalink)  
Old 07-18-2008, 08:46 AM
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Default Re: Any tips for mounting a 70cc on a Schwinn Jaguar?

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Originally Posted by DoLLeRMaN View Post
But maybe it will help anyone else wanting to build on a JAG.
Jag owners are watching thanks for the updates!
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  #37 (permalink)  
Old 07-21-2008, 07:22 PM
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Default Re: Any tips for mounting a 70cc on a Schwinn Jaguar?

I have some good news and bad news. The good news is I went to the gas station, put gas in, mixed oil and she fired up and ran beautifully!!

Now onto the bad news. I drove back to my place and conducted a thorough inspection to make adjustments. I then noticed the chain tensioner had move significantly and was a hair away from catching a rear spoke. So, I tried making it tighter and it still moved so I got some washers and taped them to the frame to use as shims....this kinda worked but it threw the dam thing outa wack and now because I overtightened the thing it is useless.

Oh and more bad news I tried to pop another pin out of the chain to make it a bit tighter and I broke my chain tool. What a waste of $20 that was.

So, now I need to find a better chain tool and possibly another chain tensioner.

Note to Jag owners: The chain tensioner cannot be made tight enough on our frame. You will need to find a way around this and that is what I am trying to do.



Anyone know where I can find a better chain tool? The one I got was a Park CT-5 Chain Tool so stay away from that.

Also, anyone know of an alternate chain tensioner? One that is made better and able to tighten around a smaller frame.


Edit....I found a pretty nice chain tool. You can find it here Chain-A-Part Motorcycle chain cutter tool

Last edited by DoLLeRMaN : 07-21-2008 at 10:29 PM.
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  #38 (permalink)  
Old 07-21-2008, 07:58 PM
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Default Re: Any tips for mounting a 70cc on a Schwinn Jaguar?

thanks for the Jag updates, DolleRMaN!

i was planning on buying the Park Tools chain tool after the Wal-Mart Bell pot metal piece of crap fell apart on first attempted use. i thought Park Tools were supposed to be good?
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  #39 (permalink)  
Old 07-21-2008, 08:02 PM
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Default Re: Any tips for mounting a 70cc on a Schwinn Jaguar?

Well it snapped while I was trying to pop the chain so I would call that junk I just ordered the new one so hopefully it will work much better. I am gonna try and make the chain tight enough so I wont need a tensioner.
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  #40 (permalink)  
Old 07-24-2008, 10:10 PM
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Default Re: Any tips for mounting a 70cc on a Schwinn Jaguar?

The chain tool arrived today "Model B-5035 for Metric sizes 415-520 Series Roller Chains" and it is 100 times better then Park tool. It feels like it is actually made of real metal

I have to go to work in an hour (overnight shift sux ) but when I am done I plan on getting the chain the right size and hopefully be finished with the build.
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