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Motorized Bicycle Welding, Fabrication and Painting - The Chop Shop Custom fabrication and projects, tanks, frames and more.

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  #21  
Old 07-14-2016, 09:05 PM
JohnDoe JohnDoe is offline
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Default Re: 20" KTMc GP Socal Racer

Quote:
Originally Posted by Wild Bill View Post
Thanks 16v4.

John Doe, It was a 24" adult BMXer that I lengthened the front triangle for a longer wheelbase and increased the front rake and went to 20" wheels. The fairing will be used and is easy to duck behind. The seat happens to be 28" at the moment but may change if needed the first time on the track. And none of the bike is for looks, Im building it to race in the Socal Motor Bicycle Racing series to replace my current race bike.
That is so cool, I have see ware people will do that to cars, (Ricers) but it's nice to see that the fairings is not just for looks. Are you worried about touching knee, and what top speed are you expecting? Also when/ware are these races?

Sincerely,
John Doe
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  #22  
Old 07-14-2016, 09:23 PM
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culvercityclassic culvercityclassic is offline
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Default Re: 20" KTMc GP Socal Racer

You did a great job on this bike...Bill...got the motor to represent thats for sure...now get those leathers going and your complete...lol
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  #23  
Old 07-15-2016, 01:02 AM
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Wild Bill Wild Bill is offline
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Default Re: 20" KTMc GP Socal Racer

John, the next race is in Apple Valley in So. Cal. on Oct 22. The track is a kart track and is only big enuff to hit around 45 mph.


CCC, Thanks. I already have a Repsol leather jacket so I did the bike to match. I also found a helmet in Repsol colors.
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  #24  
Old 07-20-2016, 05:24 PM
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Wild Bill Wild Bill is offline
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Default Re: 20" KTMc GP Socal Racer






Since Im done with all the fabrication I tore the bike all apart for final assembly (It was all just finger tight for mockup). I finally cut out the foam sheet for the seat padding and stuck it on. Now Im taking the engine apart for rebuilding, mild porting and new reeds and cage along with a new bigger carb.
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  #25  
Old 07-29-2016, 09:51 PM
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Wild Bill Wild Bill is offline
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Default Re: 20" KTMc GP Socal Racer

Got the engine work done except for the top end kit didn't have a head gasket, if that gets here tomorrow I will do the first test ride Sunday. I also put on a GPS speedo and tach and temp gauges.





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  #26  
Old 08-07-2016, 05:02 PM
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Wild Bill Wild Bill is offline
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Default Re: 20" KTMc GP Socal Racer

https://www.youtube.com/watch?v=NO1A9eIfTQg

Finally got the first test ride in. Heres the very first run on it, since its a new top end I was taking it kinda easy but did hit 45 mph which means the gearing is right for the track we normally race at.
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  #27  
Old 08-07-2016, 06:03 PM
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Tyler6357 Tyler6357 is offline
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Default Re: 20" KTMc GP Socal Racer

That looks awesome, your builds are always a treat to see! This might be a lame question but does enough air get through the fairing to cool the engine enough? Doesn't the motor require air flow to air cool it?
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  #28  
Old 08-07-2016, 06:46 PM
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Wild Bill Wild Bill is offline
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Default Re: 20" KTMc GP Socal Racer

Thanks Tyler, no cooling problem at all, the front of the fairing behind the front tire is a great big air duct that flows air directly onto the engine, the bike the fairing is off of is also air cooled and it has no cooling problems either. You can see the opening in this pic.....


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  #29  
Old 08-07-2016, 07:24 PM
BobbyT BobbyT is offline
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Default Re: 20" KTMc GP Socal Racer

Nice job Bill
I am looing forward to seeing it at the next race.
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  #30  
Old 08-07-2016, 10:46 PM
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Wild Bill Wild Bill is offline
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Default Re: 20" KTMc GP Socal Racer

Thanks Bobby, I cant wait until October! See ya there.
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