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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.

My soon to be motorized bike (stock photo from website)


Discussion at Motorized Bicycle Engine Kit Forum in the Pre-Motorized Bicycle Information. forum. I think i did good w/ the moon dog. It was pretty simple once i got past the chain issue. ...
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Old 06-25-2008, 04:15 PM
Motorized Bicycle Builder
 
Join Date: Jun 2008
Location: Missouri, USA
Posts: 25
Default Re: My soon to be motorized bike (stock photo from website)

I think i did good w/ the moon dog. It was pretty simple once i got past the chain issue. Didnt have to modify anything on the engine. I did put Nylok nuts on the mount studs though, double nutted on the back. The only thing that didnt fit right was the fuel tank. I've got it on w/ a multitude of zip ties now, will get some of that metal strap to bolt it on correctly. Here are some pix of the bike as it sits as of 5 min ago.




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  #12 (permalink)  
Old 06-25-2008, 04:16 PM
Motorized Bicycle Builder
 
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Location: Missouri, USA
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Default Re: My soon to be motorized bike (stock photo from website)

And more



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Old 06-25-2008, 04:19 PM
Motorized Bicycle Builder
 
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Default Re: My soon to be motorized bike (stock photo from website)

and a couple more


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Old 06-25-2008, 06:13 PM
milegajo's Avatar
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Join Date: Jun 2008
Posts: 42
Default Re: My soon to be motorized bike (stock photo from website)

My personal four stroke dabble...

Here's a shot of a personal project on a old MTB i started coupla weeks back... MAN are 4 strokes a pain! i've been too busy building customers (2 stroke) bikes to really give mine any love, but she needs her rear wheel re-built around a custom hub i machined (threaded each side to allow sprocket to freewheel...) which has actually been a pain, the width of the engine need the extra-wide cranks (not hard just a pain), plus (as you can see from the 'snug' fit) the mounting plate is too compressed to allow the forward bolts through, so am having to weld the bad boy.

That said, i love the 4 stroke itself, sounds a right beast and cant wait to get her on the road...just wish it was as straight forward as the 2 strokes.

Mike
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Old 07-29-2008, 01:08 AM
Motorized Bicycle Builder
 
Join Date: Jun 2008
Location: Missouri, USA
Posts: 25
Default Re: My soon to be motorized bike (stock photo from website)

i'm in the process of pulling the wheels off right now. Realized i've got 3 bent spokes on the rear wheel. Probably from the above mentioned chain issues. Going to have a bike shop true the front wheel for me, and getting a new wheel for the rear. I ordered a 32T sprocket from Kings Sales and Service (Andyinchville1) and cant wait for it all to come together. With the increased speed i'll be seeing, i thought it'd be a good idea to get some nice true wheels and i'm going to lube all the bearings as well. Will let you all know how it rides when it's done, and i'll have to take some more pix to show it off too.
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Old 07-29-2008, 04:07 AM
Motorized Bicycle Builder
 
Join Date: Jun 2008
Location: Missouri, USA
Posts: 25
Default Re: My soon to be motorized bike (stock photo from website)

Just bought This Off of eBay. I know it's big, but i'll make it work one way or another. I have an exhaust shop near me that loves a challenge, and they do quality work for very little money. I'll have them make me a slip on flange and rework the bends and what not. Cant wait till this puppy is done.
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Kulana Moon Dog
67cc HT 2 Stroke

Future Mods:
32T Andyinchville1 sprocket (ordered)
KX 65 Expansion chamber (or something similar)
Full Manifold porting
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Old 07-29-2008, 09:09 AM
Motorized Bicycle Apprentice
 
Join Date: Jul 2008
Location: Slough, England
Posts: 19
Default Re: My soon to be motorized bike (stock photo from website)

It looks like your cylinder head is on the wrong way round. You really need to sort that out before you run it. Use a 10mm socket to remove the head bolts. take the head off, apply gasket sealant (use conservatively) and torque the head bolts back down in a cross fashion to about 12ft-lbs. Norman has a post in the classic reapir section showing how this is done.
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Last edited by HT60CC : 07-29-2008 at 09:12 AM.
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Old 07-29-2008, 04:45 PM
fairracing31's Avatar
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Join Date: Mar 2008
Location: Tucson,Arizona
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Default Re: My soon to be motorized bike (stock photo from website)

Yeah look's like it's on sideways. As long as you have no leaks should not hurt anything other then a little less cooling with the fins.
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Old 07-30-2008, 12:32 AM
Motorized Bicycle Builder
 
Join Date: Jun 2008
Location: Missouri, USA
Posts: 25
Default Re: My soon to be motorized bike (stock photo from website)

lol, never noticed that before... I just took a quick look and looks like i got it back on correctly when i replaced the piston rings last week. also put some better nuts/washers on the head at the same time. Thanks for letting me know though
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Kulana Moon Dog
67cc HT 2 Stroke

Future Mods:
32T Andyinchville1 sprocket (ordered)
KX 65 Expansion chamber (or something similar)
Full Manifold porting
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  #20 (permalink)  
Old 07-30-2008, 08:44 PM
Motorized Bicycle Builder
 
Join Date: Jul 2008
Posts: 44
Default Re: My soon to be motorized bike (stock photo from website)

i love the color .. where did you find that bike?? what kit you use?
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