Predator 212 custom fat tire build

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slump

slump

Member
Mar 21, 2009
44
17
8
san jose
Lots of work into this build for shiny side up 2017 and is a late post but I finally got some time to put it up here. As for the build :
I custom made the fat tire bike frame from customizing a mongoose fat tire bike. I customized a girvin linkage fork by widening it out to fit 4" rim and had to make new fork legs to work with the height of the tires. I made and mounted the fender headlight cowl, and made an extension seat post to get a little leg room. I used a moped gas tank, 26" fat tire mag rims with 4" surly tires, double springer brooks saddle , and mounted a beastly predator 212cc engine with 24mm mikuni carb and electric starter, custom intake header, custom exhaust, and running a comet torque converter for transmission.
 

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Tony01

Tony01

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Nov 28, 2012
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sf bay area
Nice to see it runs. I saw your bike and was lookin for ya, wanted to race somebody.. then noticed the seat was right on the tire! looked bitchin i took a few pics. I asked to race the specialized guys with their custom e-bikes and they declined, and the guy who won the MB part of the show with his 80mph sportman flyer also declined, personally I find it hard to believe that thing will do 80+.. maybe thats why he declined. I think I'm done with the bicycle shows gonna take this thing to motorcycle meets instead.

Which TC are you using is that the belt with the flat side?
 
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slump

slump

Member
Mar 21, 2009
44
17
8
san jose
I think it was a comet torque converter. You should check out some of the moped rally's. I did one in sf one year. The hills are crazy but it's fun riding with hundreds of moped riders through the city.
 
MotorBicycleRacing

MotorBicycleRacing

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Jul 28, 2010
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slump said:
I used a moped gas tank, 26" fat tire mag rims with 4" surly tires, double springer brooks saddle , and mounted a beastly predator 212cc engine with 24mm mikuni carb and electric starter, custom intake header, custom exhaust, and running a comet torque converter for transmission.
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Awesome bike, love the fat mags.
You are invited to come race it on Sat Oct 21st at Grange Motor Circuit in Apple Valley, CA.
 
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breath_easy13

breath_easy13

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Aug 27, 2019
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slump said:
Lots of work into this build for shiny side up 2017 and is a late post but I finally got some time to put it up here. As for the build :
I custom made the fat tire bike frame from customizing a mongoose fat tire bike. I customized a girvin linkage fork by widening it out to fit 4" rim and had to make new fork legs to work with the height of the tires. I made and mounted the fender headlight cowl, and made an extension seat post to get a little leg room. I used a moped gas tank, 26" fat tire mag rims with 4" surly tires, double springer brooks saddle , and mounted a beastly predator 212cc engine with 24mm mikuni carb and electric starter, custom intake header, custom exhaust, and running a comet torque converter for transmission.
Click to expand...
cool build man, i was checking out imperial motos and found they have the frame and mag wheels, my question is, how did you attach the rear engine sprocket ? did you use an adapter ?
 
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