Will a 49cc fit on this frame?

Discussion in 'Spare Parts, Tools & Product Developement' started by jmccrury, Jun 30, 2008.

  1. jmccrury

    jmccrury Member

    I'm wanting to build my first motored bike using a HT motor, but it can't be mounted on my current mountain bike so I was looking for a cheap bike to try it out on. I found a Next Avalon at wal-mart, but I don't know if there is enough clearance for it to fit because of the way the frame is curved upward.

    http://i.walmartimages.com/i/p/00/01/67/51/32/0001675132680_500X500.jpg

    I searched the forum but couldn't find where anyone had put a HT motor on one of these. Has anyone tried this or know for sure if it will fit or not?
     

  2. bluegoatwoods

    bluegoatwoods Well-Known Member

    It's a nice looking bike, isn't it? I've also looked at them in person and I have my doubts about the fit. It might get in there, but it'll be a tight squeeze.

    Sorry I can't give a definite answer. But there are alternative bikes. I imagine you've already seen them.
     
  3. autobo7

    autobo7 Member

    I just got this bike and am going to try to fit an 80cc in it in a week or so, i will let you know if it fit. unless you know already?
     
  4. jmccrury

    jmccrury Member

    I've already installed it on a different bike now, but I would like to know if it fits because I still may buy the Avalon.
     
  5. autobo7

    autobo7 Member

    the good news... I was able to slide my 66cc engine into the triangle in the Avalon, so it can be done.

    the bad news... I had to remove the carb and air box from the intake manifold, but I'm fairly certain that with a little tinkering and some copper pipe and fittings I can hook the carb and air box back up.
     
  6. autobo7

    autobo7 Member

  7. jmccrury

    jmccrury Member

    That's cool. I wish I had just got that bike now. It was on sale and it would have been a lot more comfortable than the one I have.:grin:
     
  8. autobo7

    autobo7 Member

    I will warn you that the wheels and crank on this bike are rubbish. I had to get new wheels because the bearing were so bad.
     
  9. jmccrury

    jmccrury Member

    Other than the wheels, how's everything else holding up on this bike? I was at my local Wal-Mart last night and they had five of these on sale for $59. They are normally around $100 ($112 on the website). I don't expect much from a cheap bike, but for that price I can handle replacing a few things.
     
  10. autobo7

    autobo7 Member

    awesome, I took its up a gated state forest road(rocky and uneven ground) and it held together great. The only word of caution is if you do get it, make sure you pad the motor mounts with some rubber or cloth. The frame vibrates a lot with out padding.
     
  11. Tuckeroo

    Tuckeroo New Member

    jmc, were you able to sucessfully install on the avalon?
    I perhaps got alittle ahead of myself.

    I have this bike already on route to my local walmart.
    Does anyone forsee issues with the jet80cc from kingsmotorbikes.com fitting with the avalon?
     
  12. jmccrury

    jmccrury Member

    I actually installed it on another bike, but someone else on here installed one on an avalon. I don't have the link but you should be able to search for it. I believe it took a little tweaking to make it fit.
     
  13. jmccrury

    jmccrury Member

    Well, after reviewing the first page of this thread I saw that what I was talking about was on here. autobo7 posted a pic of his avalon with the motor installed.
     
  14. yeah but in the pic he didnt have the carb attached to the intake,there didnt look like enough room.
     
  15. Tuckeroo

    Tuckeroo New Member

    hmm.. Im starting to freak a bit. I am not really intersteted at this point of fabricating to fit.

    Worst case senario I take the bike back, and get another one.

    I guess my next question has to do with the motor.. It seems that the one on the pic is a 49cc, the one I have is the 80cc Jet Motor.(kingsmotorbikes.com) Is there a diference?

    I dont quite understand the difference other than one seems to be 31cc's bigger, but I have read a few times that it depends on WHO is rating it. the ones that come from overseas or something add something in to make it higher, but if they were all graded the same they all end up at 49.

    I think I should have done some better research in picking a bike with a better frame for the first run out...
     
  16. Tuckeroo

    Tuckeroo New Member

  17. your 80cc is probally around 69cc or so and only diffrence is a little bigger engine with more torque. almost anybike would have more room than the avalon.
    yes: tenspeeds,full size mountain bikes, cruisers.
    no: angled frame sport mountain bikes,dual suspension bikes,anything smaller than 26".
     
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