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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.

Best bike to start with?


Discussion at Motorized Bicycle Engine Kit Forum in the Pre-Motorized Bicycle Information. forum. Ya, my rear hub constantly unscrews too, why does it do tht too much pressure?...
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  #41 (permalink)  
Old 06-09-2008, 08:42 AM
Master Motorized Bicycle Builder
 
Join Date: Mar 2008
Location: Daytona Beach
Posts: 202
Default Re: Best bike to start with?

Ya, my rear hub constantly unscrews too, why does it do tht too much pressure?
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  #42 (permalink)  
Old 06-17-2008, 12:57 PM
Motorized Bicycle Apprentice
 
Join Date: Jun 2008
Posts: 2
Default Re: Best bike to start with?

Hello All,
Does anyone have the dimensions for the 50cc two stoke motor? I want to one on a Trek 4500 frame.
Thanks
cdlale
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  #43 (permalink)  
Old 06-24-2008, 11:43 AM
jasonh's Avatar
Master Motorized Bicycle Builder
 
Join Date: Jun 2008
Location: Longmont, CO
Posts: 763
Default Re: Best bike to start with?

Just thought I'd throw this out there...be careful of the Walmart bikes. I've recently realized this while working on my wife's NeXT mountain bike. I don't know about the moondog, but here's what I noticed on this one:

the derailluers were put on all crooked and not adjusted properly - if you get a preassembled bike from wally world, definitely give it a once- (or 5-times-) over.

The brakes....suck. I don't know what the design is actually called, but it's where the cable just splits into two and goes to each of the pads...yeah, they don't work worth anything. Plus, the brake levers are plastic and flimsy. I feel like if I was on it and had to stop suddenly, they'd snap right off. The bike doesn't _stop_ it just kind of slows down.

All the while I'm comparing this to my $350 mountain bike with Shimano components...you definitely get what you pay for I think.

Just something to think about...
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  #44 (permalink)  
Old 06-24-2008, 11:52 AM
Motorized Bicycle Builder
 
Join Date: May 2008
Posts: 33
Default Re: Best bike to start with?

Yeah, those associates at Wally World just throw them together in a hurry. I didn't know they put plastic levers on bikes. That's really bad.
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  #45 (permalink)  
Old 06-24-2008, 12:09 PM
jasonh's Avatar
Master Motorized Bicycle Builder
 
Join Date: Jun 2008
Location: Longmont, CO
Posts: 763
Default Re: Best bike to start with?

Quote:
Originally Posted by starrunner View Post
I didn't know they put plastic levers on bikes. That's really bad.
I could just be the Next brand, I'm not sure. My wifes bike was like $80 or $90, and they're plastic.
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  #46 (permalink)  
Old 06-24-2008, 12:18 PM
Motorized Bicycle Builder
 
Join Date: May 2008
Posts: 33
Default Re: Best bike to start with?

Yes, the Next brand is the cheapest bike out there. I've seen them for around $40-$50 on clearance there. If a guy wants to just throw together a motorized bike and just hot rod it, maybe that's the way to go, but for long term dependability, you do get what you pay for.
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  #47 (permalink)  
Old 06-24-2008, 01:29 PM
Master Motorized Bicycle Builder
 
Join Date: May 2008
Location: PENSACOLA, FL
Posts: 217
Unhappy Re: Best bike to start with?

I Have Not Purchased A Bike Yet, Waiting For My Motor From Vizan Motors . Pd $202 On 6/6/08 It Has Not Shipped Yet. I THINK THEY TOOK ME. I ORDERED A MOTOR FROM ANOTHER SOURCE YESTERDAY I Was Thinking Coaster Brake To Keep It Simple, Friction DrIVE . Is 415 Chain Stronger , Would It Fit Sprockets ?? I Am Also Happy To Find The Forum. Have Learned A Lot From All The Posts . They Say A Wiseman Learns From Other Peoples Mistakes, A Fool Learns By His Own. When We Had An Unknown Noise In A Race Engine, Hold The Peddle To The Metal, The First Piece To Fly Out = That Was The Problem.. I HAD A JOB AS A LIFE GUARD TILL SOME BLUE KID GOT ME FIRED ! (LARRY CABLE GUY )
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  #48 (permalink)  
Old 06-25-2008, 03:04 PM
protow's Avatar
Motorized Bicycle Builder
 
Join Date: Jun 2008
Location: Seattle,W
Posts: 25
Default Re: Best bike to start with?

Quote:
Originally Posted by deacon View Post
Coaster brake are a pain in the butt to install but...

I like them because I can apply it with with my foot instead of having more levers up front. If you buy a cheap cruiser, I would take off the front fender and put on a second hand brake immediately. It is an inexpensive addition but nice to have for better control and for the inevitable bike chain break at the worst possible moment. A coaster brake and a front hand brake is ideal in my opinion, which is worth less than some of the others here.

As for kits, I have the boy go fast kit from ebay. If you assemble it correctly it seems to be fine. I assembled mine wrong and it was a mess. Go slow in your assembly and consult this forum for instructions. If you have questions ask here. The people on this forum will actually answer technical questions and be happy to do so. You might even get a laugh or two along the way.

As for the additional work for the coaster brake, it amounts to enlarging the hole in the new rear sprocket. I drew a circle around the hole about a quarter inch thick. Then I went to home depot and bought a metal rasp for my drill. I sat down and enlarged the hole without any fancy tools or expertise. It isn't perfectly round but it doesn't have to be. It just has to be more or less centered so that the sprocket can be centered on the rear wheel. YOu also have to bend the coaster brake arm enough to clear the bolts again not a big deal if you have access to a vise. I didn't so I bent mine with a sledge hammer and a big pipe for an anvil.

One thing to remember when you get frustrated is that even I could do it, so you can do it to.

Do not believe that you can install this kit in four hours, that is someone's marketing tool, but it is well worth the time and effort to see the look an people's faces when you cruise by them. Not to mention just shear fun of a slower paced world you actually feel part of again. You aren't insulated in a rolling bubble on these bikes you are part of the enviornment as you tool along.

One more thing on the bike, oversized tubes look stronger but they are harder to fit the engine to. A nice standard sized tube is best. Get a bike with the standard 'slice of pie opening' in front of the seat down tube, if possible for ease of fitting. 26" is better all the way around. Though my first install was into 24". the bike looked great because the complete opening was full of engine. It looked more like a mini motorcycle but alas it I looked like a clown on it lol. Not only that it wasn't as stable as the larger bike.

Welcome to our world..

Oh if you are handy with tools look at the bike thrift shop and you can build a custom bike for peanuts. In my opinion its a lot more fun but also a lot more work.

My transylvainia chopper built form several junk shop bikes. parts cost probably under fifty bucks with lots of parts left on the curb for other builders to pick up.
[IMG][/IMG]

thanks for this post..... i just bought a boys go fast motor with the big tube frame adaptar. wooohoooo.... this is going t save me about $300 if gas a month. lol you guys and gals rock on this site i have learned ALOT just in a few hours of joining
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  #49 (permalink)  
Old 06-26-2008, 07:19 PM
Motorized Bicycle Apprentice
 
Join Date: Jun 2008
Posts: 2
Default Re: Best bike to start with?

Anyone build one like this? I'm looking at a 48cc Chinese 2 stroke on a stretch beach cruiser. I'm wondering about the clearance in frame and the dangle of the exhaust.

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  #50 (permalink)  
Old 06-30-2008, 08:43 PM
Motorized Bicycle Apprentice
 
Join Date: Jun 2008
Posts: 1
Default Re: Best bike to start with?

Great site!!!!! I have been thinking about this for a long time. Just found this site and it is great. How about a Sun Cruiser built by Top Ten? It was bought new about 20 years ago at Phils Ace Hardware. Still a China bike though! Thanx misterfixit
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