| | | Pictures and Videos Use this forum to share pictures and videos of your motor bicycle. | My beast, offroader! Discussion at Motorized Bicycle Engine Kit Forum in the Pictures and Videos forum. Here she is Im from New Zealand and we have plenty of gravel logging roads to ride on so i ...  | 
08-20-2008, 11:46 PM
| | Motorized Bicycle Member | | Join Date: Aug 2008
Posts: 23
| | My beast, offroader! Here she is Im from New Zealand and we have plenty of gravel logging roads to ride on so i wanted something sturdy!!
I had to buy a 200mm disc rotor for the rear and run a 40 tooth sprocket to get clearance to keep the rear disc brake.
Manifold was shortened to allow carb and filter to fit in!.
Is it dangerous if the carb float bowl heats up, Due to being closer to the motor than the standard manifold allows? Not too hot to touch or anthing but petrol does have a low flash point!. Has anyone blown up a carb before?
Last edited by luke duke : 08-20-2008 at 11:49 PM.
Reason: picture
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08-20-2008, 11:51 PM
|  | Motorized Bicycle Elite Member | | Join Date: May 2008 Location: Mesa, AZ
Posts: 290
| | Re: My beast, offroader! I doubt you'll have any issues with an exploding carby. Fuel needs a proper air/fuel mixture to ignite.
I've boiled the fuel on a hot day in my old Datsun with no ill effects other than the car not running.  | 
08-21-2008, 12:54 AM
|  | Manufacturer/Dealer | | Join Date: Dec 2007 Location: Charlottesville, VA
Posts: 362
| | Re: My beast, offroader! HI,
I like your bike....Just curious, but how were you able to just switch to a larger rear disc?....I have a rear disc that is 160 MM but in order to get a larger disc, the caliper would have to be relocated.....is the mounting bracket simply raised via a factory piece? or was custom welding for new eyelets needed?
I have been tinkering with disc brake / hub adapters for sprockets for our motorized bikes....out of curiosity can I see how you made yours?...
I have a few posts here about my "Top Hat Adapters" and think it would be helpful for those really tight installs to simply raise the caliper out of the way...
Thanks and great job on the bike!
Andrew
Thanks!
Andrew | 
08-21-2008, 01:12 AM
| | Motorized Bicycle Member | | Join Date: Aug 2008
Posts: 23
| | Re: My beast, offroader! No problem, yes an adapter was used to get from the 160 to the 200 Then i just purchased the 200mm rotor and waalaaa. follow the web address to see the adapter i think most good mountain bike shops can get them. DIATECH Disc Brake Adaptor I/S R203mm - Torpedo7 | 
08-21-2008, 01:23 AM
|  | Manufacturer/Dealer | | Join Date: Dec 2007 Location: Charlottesville, VA
Posts: 362
| | Re: My beast, offroader! Great....Thanks for the link!
Andrew | 
08-21-2008, 02:37 PM
|  | Moderator | | Join Date: Mar 2008 Location: Cuk Ṣon, AZ
Posts: 4,724
| | Re: My beast, offroader! Very nice MB, I like it  | 
08-21-2008, 05:02 PM
| | Motorized Bicycle Member | | Join Date: Jul 2008 Location: Slough, England
Posts: 24
| | Re: My beast, offroader! Ya, might get vapor lock on hot days but it'll probably be O.K
Great build.
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