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    New Member with 80cc Chinese 2 stroke, Albuquerque New Mexico USA

    Hello themchyvr, Wow! That's all I can say about your bike. That thing is just plain cool. That expansion chamber looks like a beast. ha ha.. That's cool you live in Albuquerque. I am in the North Valley, how bout you. I unfortunately can't race you - I sold my bike in 2008 to fund a...
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    Boost bottles

    Hello Bikeguy Joe, I am using a boost bottle from boost bottle industries. I unfortunately dont sell any parts, just buy em, and tweak em, it's the gearhead in me and my need for speed. ha ha..
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    Boost bottles

    Better boost bottle response with re-jetting carb This one is for you Skyliner70cc ( At least while you are at high altitude ) Quarkdude's instructions on Re-jetting the carb for better boost bottle response and a better running engine: Mainly for the 1800ft above sea level engines and...
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    Boost bottles

    Hello all, Sorry about the boost bottle experiences that didn't go well. I have a few questions for you guys that didn't get it to work. 1. How long did you make the clear tubing between the intake and boost bottle? It helps to mount the bottle as close to the intake as possible. 2. What...
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    Life expectancy of Chinese Bicycle Engines

    Re: Life expectancy of Chinese Engines :D Hello Tinkerer, I have read on other motoredbikes forums that some have gotten 6000 to 6500 miles out of a well maintained engine. Since the chinese engines have no replacable cylinder sleeves, well that means a new Jug, piston and head. But...
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    Boost bottles

    Hello bikeguy joe, Here is a site with visual references and a picture showing the flow out of the boost bottle to the cyclinder. Yamaha did this as well as some other manufactuer's. It is interesting to see how others have plumbed in the boost bottle and that they even made the bottles from...
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    Boost bottles

    Hello Bikeguy Joe, Here is a link to Dyno results of the boost bottle working. I can testify that on my bike when I didn't have it and now that I do, the bike is definitely more powerful. Here is the link to the dyno results: Page Title ..........quarkdude:D
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    Boost bottles

    Hello all, My need for speed out weighs the conservative side in me. Seems like what ever I drive or ride always needs more power. I have ridden my bike with these mods ( and I ride it hard - over 30 mph everywhere ) and I have 900 miles on it with no problems. In the back of my mind...
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    Boost bottles

    Hello Norman, Sorry the boost bottle's didn't work on your setup. You are the first bike motorist that I have heard that said it didn't work, interesting. What altitude are you at? Is your jetting set right? Do you have a free flow air cleaner, modified exhaust. These things do contribute...
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    Boost bottles

    Hello Bikeguy, This is my explanation of how it works - just think of it as a Supercharger for a 2-stroke ( atomized fuel supercharger ) The intake pulse that is felt between the cyclinder and the carb when -off the throttle or when the piston is down covering the intake port between the...
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    Boost bottles

    Boost bottles definition Hello autocyler, I was just going to go to boost bottle industries website and copy the info you just did. It really does explain how the bootle works. The boost bottle I have on my bike always gets questioned, asking if I have nitrous and I just laugh and then...
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    Boost bottles

    Hello Norman, New guy here on the forum, but long time motorized bike rider. I just joined the forum a few days ago and have been searching thru pages looking for boost bottle references and here it is. I have been running a boost bottle on my setup and it works great. I had a...
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    New Member with 80cc Chinese 2 stroke, Albuquerque New Mexico USA

    Hello bgoates, I bought the air cleaner cover from thatdax website awhile back for 5 dollars - it was a really good deal I couldn't pass up. I wish I could take credit for making it but at such a cheap price it was better just to purchase one. It really helps up here to get a little quicker...
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    New Member with 80cc Chinese 2 stroke, Albuquerque New Mexico USA

    Thanks everyone for the warm welcome. I have had my motorized bike for about 2 and a half years now and have put nearly 900 miles on it. I guess the gearhead in me always wants more power so that fueled the mods that I did to the bike already. Here at 5200 feet above sealevel you...
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    New Member with 80cc Chinese 2 stroke, Albuquerque New Mexico USA

    Hello all, Just found this website today and wanted to join with you guys. I have a 1995 Diamond Back Mountain bike with an 80cc Chinese 2 stoke kit. I have done some mods to the set up: Free flow air cleaner cover, Re-jetted the carb for 5200 ft above sea level, Boost Bottle installed and...