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    Difficulty rating?

    How difficult is it to convert my current set up (pictured) to this http://m.ebay.com/itm/181487723213?nav=SEARCH my driveshaft has keyway, not sure if this setup would work for me without changing shaft.
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    Drive clutch assembly for Firefox 620

    Looking for drive clutch assembly for Firefox 620 all the other gy6 variators I've found isnt big enough. Mine has key way on driveshaft and the roller weights are solid all around. None of the variators I've found online are big enough to fit the shaft and don't have key way I've searched all I...
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    Learned valuable lesson.

    I made the mistake of ordering a new 150cc variator and weights for my kart without taking mine off first. New one is to small for the shaft and no key way. And of course as I wasent using an impact drill to take the old one of I broke a couple spindles�� lesson learned back to the...
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    Belt size

    Anyone know the factory belt size for a Firefox 620. I've googled it and alpha sports and atv parts only has the belt on the diagram but doesn't say size.
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    Cool find

    Cool find what would you offer on something like this https://winstonsalem.craigslist.org/bar/4805368349.html
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    Name brand

    What is a trusted name brand for parts that will hold up. I've been looking at "scorpion" parts for my gy6, prices are reasonable but a little higher than some.
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    New project, probably gonna need a lil help.

    Ok after I get this Firefox 620 clutch situation fixed. I have an original early 90s model kenworth semi go kart with trailer restore I'm going to do. The kart was my wife's brothers kart before he died at a young age.kart hasent been driven since 1993 I'm going to try and do the best I can to...
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    Firefox 620

    I recently purchased this for my kids and as they were riding it lost power and seemed like the brakes was stuck I tried pushing it backwards and it wouldn't move. I took the clutch cover off and it's smoking badly stoping acceleration idk if the springs to tight or what kart is all factory...
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