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RE: Going to build me a Motorized Bicycle


I was Funning around outside today changed the oil on the New Generator . Started up My 1965 Mustang . Then I took the Fuel Tank off the 97cc 4 stroke Engine that I am going to use on My Bike Build . See I will be using a frame mounted Gas tank . So with the Engine Mounted tank off I did a quick set in place test fit . Looks Like I can make it work . Also here is a photo of that H.D Rear Wheel I bought . Going to start mounting the hub adapter and drive gear on to it .

 

 

 



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Yeah, that will be cool if you dont have to cut the frame


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I won't have to cut the frame . But the Engine will have to be mounted more to the Right side . I will need to weld a Bracket to the center frame tube and the Lower tube to use the the mounting Plate . I need to build up the back wheel next then mount the front and rear wheels then I can measure and Level that mounting brackets position .

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I,m looking,trying to determine from your pics if theres clearances for your pedal power???????????        The more that I look at Howards Briggs powered bikes,hes never used the pedal,s ,, But as youve seen ,he cuts and welds an engine mtgs plate,and his drive sprockect runs the wheel from the same side. But Ive seen him use jack shafts to run his drive on the opposite side..  Whats your plan on this design? You got me all curious :)



-- Edited by Mokanracer on Sunday 26th of June 2011 02:04:37 PM

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They sell Larger off sets Cranks Like this . I think I will be ok with Clearance on the Left Side But the right with the pull start ? I really think I will end up having to make a crank out of a Short Kids bike crank then have to cut it and weld an extension shaft on each side . The Pedals are more for the Legality part of the build so the Cops don't jump on my first time I roll out on the street . But it will need to work on some Pedal Power even thou I will be mainly on Engine Power Ha-Ha . The Briggs Engines are Larger in Size then this Japan Engine is . It's about as small as you get in a 2.8 H.P Size but I will up the Power a bit more once I get the Bike driving right . The Jack shafts set up-s do help in centering the engine mounting and adjusting the final drive gearing . I should be using one but don't want the added parts . My Gearing with this wheel size is a bit tall and will be more at ease on a slight roll and up top .

 

2595_large.jpg



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When I built my 1955 Whizzer,using the repop 55 Schwinn cruiser bike, I had to do a lot of changing things. One was I had to also use an extd pedal crank assy. But that bike req,s to be pedaled to start it,even on the stand I installed. And you cant push/free wheel it with that auto clutch I used either. You have to roll the rear belt off just to push it, But its the same way they designed the later ones. Not sure why.. Well here in Kansas, you can have a Whizzer or Moped,as they are more commonly referred to. Dont need a license or insurance, but do reqd to be tagged. as long as they dont exceed 35 mph. Thats their law??  Doesnt make any difference whether it has pedals or not..



-- Edited by Mokanracer on Sunday 26th of June 2011 06:39:43 PM

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This Bike kinda goes against the grain of the norm motorized Bike Build . But Like one guy said yeah a Truck Mechanic Building a Motorized Bike oh well After working the way I have for so many Years ? I know I can make it run but it won't be the same old Cookie Cutter Bike Build that is done over and over biggrin 



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I was thinking, you just might be building a 60 mph bike LOL Lay that sprocket up on top your wheel and snap a pic.. Just wondered how much smaller it is than this belt drive rear wheel Whizzer sprocket

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I had to trim more Trees today . But I did run a hone through that Sprocket adapter today . I need to open it up about .010" more . I am going to try out a different hone . If that still does not work in a timely manner . I will have it bored at a machine shop . Needs to be right on for a slight clamping fit to the hub .

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Should build me a 4/5 Wheel Bike Like this old one Ha-biggrin

 



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Schwinn has 3 wheelers that would be cool.

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Denny .W that is a COOL Read Thanks for Posting it . Mokan I was downstairs goofing around with some stuff . So I started doing some more pre-Build checking . Here is how the Sprocket will lay on that rear wheel . I will have to drill out all the mounting holes . And I still need to bore that Hub adapter about .010" . The more I have at this Build . The More I see how it will end up more Like a mini Motorcycle and not a Bicycle Ha-biggrin Poor old Schwinn biggrin

 



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I think you should save that old Schwinn , and buy a Schwinn from Walmart to modify. A few yrs ago,Schwinn came out with a Springer remake. I,m sure they are on ebay. LOL Just my opinion......Age is aquired by Wisdom.. LOL

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Mokan you more then Likely are right in saying use a New / Wal-mart Bike to go wild on . But one guy made a point with me by saying if you Fix up that old Schwinn back to pedal only How Much will you really ride it ? Ha-biggrin

 

Lots of Hot Rods found there way to Finished Build much in the same way biggrin 



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Cant argue that point,I have a habit of hanging onto things,a collector, not a hoarder LOL I have an old 26" cruiser in my shop,I jump on to go to the neighbors etc. The red one in my storage shed,is just sitting there.And my Whizzer,is in the house,soo yeah, need to use what you build..

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I spent some more time mod-ing and test fitting that sprocket and hub adapter . In the morning I am going to take that split Hub adapter to the engine shop and have it machined to were I need it to be . If I had a reamer I could do it here . I did make mods to the wheel including removing the coaster brake assemble and I drilled out all 9 Sprocket Mounting Bolt holes . After full mounting that set up with red Lock-tite it will be strong as Heck Ha-Ha .

Mokan I have stored / collected and not used more cars and Guns then you could imagine . Then what happens is some one else ends up with a Deal when you end up selling it . Or worse yet if you pass on who knows what may come of what you owned . Enjoy what you own I plan to start doing that for now on . If I truly had a Younger Family Member that took a real interest in some of My Stuff . I would then pass some of it on .

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Spent a Little time on the Motorized Bike build today as I was doing some Laundry to Help out My wife . I decided to flip the clutch around by do so I can mount the engine more center in the frame . This should keep the balance of the Bike much better and the oil drain plug will also have more clearance . I also trimmed the Fuel Tank mounting ear boss off the head . I don't need it with the Frame mounted Gas Tank . And now I can move the Engine more forward too . My Sprocket Hub adapter is still at the Machine Shop should have it back Later next week . I did drilled the mounting holes in the Sprocket here I just set it on to see about were the engine will need to be mounted .

 

 

 

 

 

 



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Now its looking like a hot rod bike :)

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Looks Like it has a Saw blade for a rear sprocket Ha-biggrin



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Ha yeah...So whats your plan for a brake in the back? You gonna just use calipers, and rely on a front drum?

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I am going to weld a small mounting bracket for a rear Hand pull brake and run Larger pads on it out back . In the Front Later on a H.D Front wheel with Drum Brake set up . I want some rear braking I don't want to bunny hop over the handle bars when I grab the brakes at ? MPH .



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Those hand pull brk and cables are available that are heavy duty like a Mtr Cycle and just slip on and bolt down,so no welding rq,d.Just some info.  Heres a link with a view of the grip and cable etc,Prob avail on ebay,,not sure,,,parts are hard to find. 



-- Edited by Mokanracer on Monday 11th of July 2011 01:50:37 PM



-- Edited by Mokanracer on Monday 11th of July 2011 01:53:41 PM

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hahaha, i knew you couldnt build anything without hot roddin it. hahaha, not even a bicycle. hahaha, cool !!

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Yeah geezer it's kinda more Like a Motorcycle/Bike now Ha-biggrin To me them baby two stroke 49cc Engine Look to small . I took the labels off this Engine that showed it's Larger 97cc size keep the Cops at bay if I roll it down the street . I want to get this Joker running so I can Let My son-in-Law fun around with it . Also Looking around for a good / old Mini bike to motor up . Maybe race My Dads BB Mini Bike .



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TANGO wrote:

Yeah geezer it's kinda more Like a Motorcycle/Bike now Ha-biggrin To me them baby two stroke 49cc Engine Look to small . I took the labels off this Engine that showed it's Larger 97cc size keep the Cops at bay if I roll it down the street . I want to get this Joker running so I can Let My son-in-Law fun around with it . Also Looking around for a good / old Mini bike to motor up . Maybe race My Dads BB Mini Bike .


 Have you ridden your dads scoot?? That has to be powerful/fast??  I looked up that mtr,crap,it cost as much as his scooter.



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