Review this build

Discussion in 'Frame Mounted Engines' started by jla, Aug 6, 2012.


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  1. jla

    jla New Member

    Has anybody ever done a Ozone 500 Men's Canyon 26" Mountain Comfort Bicycle before?
    It seem like a pretty decent bike with full suspension (probably no better than a hard tail) .It has nice space to work with too.


    I was wondering if the GRUBEE 2011 SkyHawk GT5 66cc/80cc 2 stroke Kit from is any better than the ebay 2 stroke-ones or are the all genric chinese happpy times.

    Which vendor do you recommend an ebay one,, or They all ship the 66/80cc kit that I want at about $200 or less.

  2. bluegoatwoods

    bluegoatwoods Well-Known Member

    Well, it looks like an aluminum bike. I think I'd avoid that. The consensus is that aluminum just won't stand up to the vibration and 'smacking around' that a motor assisted bicycle goes through. I think there are those who disagree, but I think they're a definite minority.

    But if I really wanted that bike, then I might go ahead and give it a try. I'd just be determined to ride it very gently. It can be done.

    The rear suspension is tempting and it should be do-able. It'll have one drawback, though. When it's compressed your drive chain will slacken. That could be remedied with a good spring mounted tensioner. But it would have to be a good one. You might have to build your own to get one that's up to speed.

    As for the vendors, they all sell pretty much the same two stroke 'happy time' or 'china girl' kits. Some will have components that are a bit better than others. But there's not much real difference.

    An actual vendor ( Bike Berry, Spooky Tooth, ThatsDax, etc) will support the sale better than your typical ebay vendor.

    But once you know what you're doing, you don't need much real support.

    Still, I've bought from 'real' vendor more than ebay simply because I want to have a good relationship with these guys. Sooner or later (it'll take a while) I'll have bought from all of them.

    But I guess I'm rambling. Back on subject!

    That bike is, no doubt, build-able. But I think I might look to something else. A steel frame beach cruiser, for instance.
  3. darwin

    darwin Well-Known Member

    Nice bike, thats my style of bike to ride in comfort. Check out rock solid motors lots of good things said about them about quality HTs.
  4. Purple Haze

    Purple Haze Active Member

    You'd have to do something with the cables on the top bar in order to mount the gas tank, otherwise it looks like it would be a sweet little ride. A spring-loaded chain tensioner would definitely be the thing with the rear suspension. The cheaper kits on ebay are just that...Kits. If you take the engine apart and check everything out, they are pretty much the same, but I and others have had engines with missing parts and flotsam inside the cases, misaligned bearings, stripped or untightened bolts and nuts, etc. At least you would have some kind of warranty with a reputable dealer.
  5. Fabian

    Fabian Well-Known Member

    Not entirely true

    Though i do agree with you in that my preference is for a steel frame, (partly because it transmits noticeably less vibration to the handlebars) it is not the defining factor in making a decision of steel vs aluminium.
    It is the question of an effective braking system that is the defining and deciding factor in choosing aluminium because it is virtually impossible to find a bike with front and rear disk brakes that uses a steel frame.

    My bike has now traveled over 37,000 kilometers on an aluminium frame, in fact the frame has outlasted 7 engines (currently on an 8th engine), and been through a torrent of hard knocks, to the point where i had to design a chain stabilisation system to keep things operating correctly when riding over shockingly bad surfaces.

    It's not so much the material but the care of assembly; making sure the aluminium surface is not heavily scratched or scored or deformed or distorted by the engine mounting system, ensuring cracks cannot propagate from such an area.
  6. Fabian

    Fabian Well-Known Member

  7. Purple Haze

    Purple Haze Active Member

    Welcome to a new kind of tension, all across the alien nation.