Carb Boot shrank.
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Thread: Carb Boot shrank.

  1. #1
    Junior Member cowboyjeff's Avatar
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    Carb Boot shrank.

    I just put a Brand new Carburetor on a 91 Tw-200, now the Boot is to short to make the connection to the air box. Im wondering if anyone has just put a external filter on the back of the Carb, Maybe it could work. Im tired of buying over price parts.
    Last edited by cowboyjeff; 03-18-2017 at 09:16 AM.
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  2. #2
    Senior Member TW-Brian's Avatar
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    Unfortunately this is a common problem with older bikes. Guys who convert their bikes to the "hollow mod" style routinely remove their airbox and install a pod type of filter. But I am not sure if one these will fit with the airbox still in place.
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  3. #3
    Senior Member TopPredator's Avatar
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    It's hard to get away from buying overpriced OEM parts. I have found Rocky Mountain MC parts to be less expensive then most.
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  5. #4
    Ken
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    I just used a piece of rubber tube and slid over the carb to filter tube. I had to trim the stock tube a little to do this. IMG_20161123_122703.jpg
    I would try a radiator hose of the correct diameter next time. Some are curved which would fit easier and they are thinner than what I used and easier to work with.
    jtstdub, Peterb, Moabman and 1 others like this.

  6. #5
    Junior Member cowboyjeff's Avatar
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    Ken I like that Idea, I just might give it a try. I have 2 Tw's one 89 and one 91. The 89 has been a great bike, the 91 has me working on it all the time.
    I have them both geared way down to where the top speed is 35 mph. I just license them for off road only these Days.
    Moabman and Ken like this.

  7. #6
    Ken
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    I used pipe clamps to snug the rubber hose up. My carb was never sealed, then I sealed it with the metal duct tape at one point. The rubber hose was my solution to making a permanent seal from the air box to the carb.

  8. #7
    Senior Member Mattwings's Avatar
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    Be careful with a pod style filter. The airbox does act as part of the intake and is designed to provide "air pressure" in balance with the exhaust, valves and carb to provide proper airflow/fuel for the motor to run properly. I am sure you can rebalance the bike with jetting and exhaust tweaks, but it may make the bike run quite a bit differently.
    Ken likes this.
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  9. #8
    Ken
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    I ran the tube from the stock air box to the carb. That is my carb with the hose on it. I agree about keeping the stock air box especially off road.
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  10. #9
    Senior Member grewen's Avatar
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    besides losing the obvious advantages of the stock air filter set up ( water tight, good filtering, balance of air) be careful to NOT buy a cheap pod filter! when i was racing lawnmowers, i used cheap pod filters and the amount of dirt that went through the filter was unbelieveable, good way to damage the motor
    Ken likes this.
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  11. #10
    Junior Member cowboyjeff's Avatar
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    Ken I like that clear hose, how did you make the connection to the boot or the air box?
    Is it look like its going to work out good for the long haul?
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