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80cc Motorized Bicycle Engine Kit EPA Certified $120 + S/H @ bikeberry.com Archived From: Hot Deals

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alert mods    
   posted: Jul. 3, 2009 @ 7:33a

The kit I put on my bike is pretty similar. Makes the bike harder to ride when you are not using the motor, but otherwise, pretty fun to ride. I really thought I would ride it everyday to work, but it's more of a novelty.


alert mods    
   posted: Jul. 3, 2009 @ 10:12a

don't ride motorized bikes in NYC. the cops will issue you a violation.


alert mods    
   posted: Jul. 3, 2009 @ 10:20a

lui1828 said:don't ride motorized bikes in NYC. the cops will issue you a violation.Hell they should confiscate it on the spot


alert mods    
   posted: Jul. 3, 2009 @ 10:32a

I'll take my chances with the law. Try chasing after me down a bike path.

My state requires licensing anything 50cc and over. Might be why a lot of mopeds are 49 or 49 1/2cc.

Only downside is that it sounds like a weed whacker.


alert mods    
   posted: Jul. 3, 2009 @ 10:41a

Would this work on a stationary exercise bike???


alert mods    
   posted: Jul. 3, 2009 @ 12:54p

Motorized Bicycle (119.92kB)

bradster said:No go for California buyers.

I'm in Bay Area, and plenty of people do it here, myself included. It's kind of in a gray area for CA. Even though it's a motorized bicycle, I got a license plate for it from the DMV. You also need a motorcycle license, plus ride with a motorcycle (DOT approved) helmet. Oh, lights, mirrors, etc. I've built mine last 4th of July, and I'm still on my first tank of gas since I don't ride it too often.

It does make the bike very hard to ride if the motor isn't running, but it's a cheap alternative to getting a scooter/motorcycle.

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alert mods    
   posted: Jul. 3, 2009 @ 1:02p

D'oh, just found out that any motorized 2-3 wheel vehicle(engine size doesn't matter) requires a Motorcycle endorsement, registration and insurance. LOL, woops. Will still be a fun project though.


alert mods    
   posted: Jul. 3, 2009 @ 1:22p

gtd2000 said:A puncture repair should only cost the price of the new tube (if you can't use a puncture repair kit) and 5 minutes of your own time to replace when you know what you are doing (From a labour cost point of view shops won't normally repair a punctured inner tube as it would cost more than giving you a new one.)

One thing about repair kits- I suggest *not* using the scratchy metal clip that comes with many kits. This is supposed to clean the rubber, but ends up shallow cutting the tube, big enough that air bubbles thru them underneath the patch. Sandpaper is a lot better to avoid this problem.


alert mods    
   posted: Jul. 3, 2009 @ 3:30p

I just looked up K2 ,, pricey bikes! ,, if it was bought at a bike shop they usually warrant for defects and if the pedal/crank threads were bad then that's a warranty issue .. most japanese/chinese bikes use a smaller metric thread for the pedals and the US made Schwinns (not the new ones ,, schwinns name was sold to the Chinese) used a slightly larger attachment for the pedal (SAE) ,, you could always remove the crank arm and drill/tap it for Schwinn sized pedals. remember the left pedal is always reverse threaded so it won't come loose in normal riding,, lefty-tighty ,, righty-loosey. you could also just try cleaning up the threads as best you can and hit it with some blue or red loctite.

The other poster is right ,, inner tubes are about $2.50 ==> $3 and can be changed in minutes (an expensive bike like this should always have quick release wheels) , you shouldn't have been charged for changing them , the kid should be given a pair of new inner tubes from WalMart and you show him how to change them ( remember NO TOOLS.. EVER!! you will pinch/cut the tube ) ,, he can then keep his current tubes for future flats ... he will be much more careful about riding in thorny areas and bashing into curbs after that..

You can always put "thorn proof" tubes into the tires or a hard plastic "thorn proof" liner to prevent flats.


alert mods    
   posted: Jul. 3, 2009 @ 3:50p

antang said:bradster said:No go for California buyers.

I'm in Bay Area, and plenty of people do it here, myself included. It's kind of in a gray area for CA. Even though it's a motorized bicycle, I got a license plate for it from the DMV. You also need a motorcycle license, plus ride with a motorcycle (DOT approved) helmet. Oh, lights, mirrors, etc. I've built mine last 4th of July, and I'm still on my first tank of gas since I don't ride it too often.

It does make the bike very hard to ride if the motor isn't running, but it's a cheap alternative to getting a scooter/motorcycle.Thats awesome, is there anyone who will install the conversion cheap here in the Bay Area??


alert mods    
   posted: Jul. 6, 2009 @ 1:29a

I've checked Craigslist and I think there's a place in Santa Cruz that does it for ~$200 or something... I haven't seen anyone else doing it closer to SF.


alert mods    
   posted: Jul. 6, 2009 @ 4:18a

Friggin pedal fell off my mountain bike too .... mine is a WalMart cheapo tho.


alert mods    
   posted: Jul. 6, 2009 @ 5:05p

The pedals on a bike are both right and left hand threads. Probably put the wrong pedal on the wrong side. Some bike shops can try to re-thread the crank. If not, a new crank.


alert mods    
   posted: Jul. 6, 2009 @ 5:24p

crippledgiant said:Would this work on a stationary exercise bike???

Of course, you'll be able to do that, just sit down enjoy a few beers, and watch the motor ride the bike for you, lose lots of belly that way.


alert mods    
   posted: Jul. 6, 2009 @ 5:37p

Too bad there isn't one electric that cost about the same, otherwise i would be all over it.


alert mods    
   posted: Jul. 6, 2009 @ 6:35p

The pedals on a bike are both right and left hand threads. Probably put the wrong pedal on the wrong side. Some bike shops can try to re-thread the crank. If not, a new crank.

I just FORCED the pedal back in. Im pretty sure it will never come out again.


alert mods    
   posted: Aug. 15, 2009 @ 12:39a

The first day, he had a flat, and had to bring it to the shop for a new tube. Cost, including labor: $18. Two days later, the other tube. Cost: another $18.

Your going to want to buy and install plastic inner tube liners. This will provide an extra barrier of protection against thorns or anything else causing flats. I've seen them at WalMart for about $10 for the pair.
Here's a link to what I'm talking about:

http://www.Amazon.com/Slime-Bicycle-Tire-Liners-26-Inch/dp/B000ENSRQW

Good luck.


alert mods    
   posted: Aug. 15, 2009 @ 10:50a


http://www.Amazon.com/Slime-Bicycle-Tire-Liners-26-Inch/dp/B000ENSRQW

Above linkified ..
i had a slime tube and i have no idea what happened but next time i get on my bike its flat ... the tube is split with green goo everywhere ... i do think the above might have helped me tho when i first had to replace the tube ....


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