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Motorized Bicycle General Discussion All topics regarding bicycles with engines.

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  #1  
Old 01-06-2017, 11:17 PM
SoldierBoy SoldierBoy is offline
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Default Im back at it 4 years later

Hello I joined a long time ago and just never was really active now I'm back and at a new location this time .when I owned my bike I owned it when there where really no laws on motorized bikes in California at least they where not cracking down on them .Anyways I have moved to a better state with less harsh laws I now live in Paragould Arkansas and I'm planning to build a go everywhere bike .If I'm going to do that I need a little more power where can I get some more power I all ready plan to boost compression by shaving down the head face doing a little port work and porting the intake manifold open a little more I just bought a upgraded head and I'm thinking about getting a Reed valve kit for this but I want a walboro Carb I trust walboro better then makuni lol I work with yammies for the old folks who know go kart racing and they come with a walboro wb3a but that's way to big I want a bigger Carb then the tiny 15 mm walboro everyone has and I also want the rse Reed kit people are talking about where can I find this Reed kit .also I seen someone talking about a racing piston that's been milled lighter but you have to have a long rod ?
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  #2  
Old 01-07-2017, 08:13 AM
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Agreen Agreen is offline
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Join Date: Feb 2013
Location: Southeastern GA
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Default Re: Im back at it 4 years later

Start by working toward the law's limits. In my field, we love using the quote "limits are goals". So what's the biggest allowable engine?
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  #3  
Old 01-07-2017, 05:41 PM
SoldierBoy SoldierBoy is offline
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Default Re: Im back at it 4 years later

Biggest allowed engine I'm using a China girl the ordinary motor you get online I was going to use a pocket bike or weed eater motor but settled on this motor because it's bigger.
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Old 01-07-2017, 06:02 PM
ragdolldude ragdolldude is offline
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Join Date: May 2016
Location: Mira Loma, CA
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Default Re: Im back at it 4 years later

Your State should have some maximum cc disiplacement or hp limit to motorized bikes, besides requiring the bike still can be pedaled to the bike is legal there. If you run on public streets, you'll have to go by these restrictions to be legal.
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Old 01-07-2017, 07:21 PM
SoldierBoy SoldierBoy is offline
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Default Re: Im back at it 4 years later

50cc but I need to get more torque out of the motor without boring it out .I have a 50 degree slope about 1/2 mile long driveway I need to go up I'm 220 pounds lol I don't think my fat butt can even peddle up the hill if I wanted to
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  #6  
Old 01-07-2017, 07:31 PM
TheNecromancer13 TheNecromancer13 is offline
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Location: Portland, Oregon
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Default Re: Im back at it 4 years later

I have my doubts that a 49cc will be able to do that hill.
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Old 01-07-2017, 07:51 PM
crassius crassius is offline
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Default Re: Im back at it 4 years later

the 40mm stroke motors I'm using now will pull that hill a bit better than the 38mm motors I used to have
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Old 01-07-2017, 09:05 PM
SoldierBoy SoldierBoy is offline
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Default Re: Im back at it 4 years later

How do you find a 40 stroke motor
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  #9  
Old 01-07-2017, 09:09 PM
SoldierBoy SoldierBoy is offline
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Default Re: Im back at it 4 years later

I bought a head kit for it and I want to re surface the head gasket face to boost compression do porting on the ports lighten the piston port the intake manifold port the Carb .but I want to know what else is there where can I buy good parts like walbro carbs Reed kits are people making these custom ?
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  #10  
Old 01-07-2017, 09:26 PM
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ultralight01 ultralight01 is offline
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Join Date: Oct 2016
Location: Hood River, Oregon
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Default Re: Im back at it 4 years later

Put a 49cc sticker on the China girl when you're finished.
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