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Thread: My Topend rebuild

  1. #16
    apriliaforum prov-nov
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  2. #17
    apriliaforum prov-nov
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  3. #18
    apriliaforum expert mattology's Avatar
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    very nice

    Get your confidence back with Aprilia.

    caution: the use of motorcycles may be habit forming. side effects include purchasing multiple examples of the same bike, in different states of tune, different years, or different models altogether. some motorcycles may be not running when purchased. some parts are no longer available. there are rare instances where aprilias are bought over the internet and upon arrival, they are not as were originally disclosed. there is a small group of people who cannot handle two stroke engines and motorcycle maintenance. if this is the case, you may not be a candidate for Aprilia RS250's.

    Aprilia. Ask your doctor if the RS250 is right for you.

  4. #19
    apriliaforum prov-nov
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    How do you guys check the float height? Where The manual says 8(+-1mm) upsidedown, I have about 4-5mm. Should I adjust?




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  5. #20
    apriliaforum newb
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    I think it’s better to keep it as it is) if the work was correct. I lost correct work of engine after adjustment float height and fuel level according to manual.

  6. #21
    apriliaforum Junkie
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    Quote Originally Posted by AllanRS250 View Post
    How do you guys check the float height? Where The manual says 8(+-1mm) upsidedown, I have about 4-5mm. Should I adjust?




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    Hold the carburettor at a angle so the float needle is just closed with minimal pressure on the spring bit of the needle. There are free downloads of the rgv and rs250 manuals what might explain it a bit better

  7. #22
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    I'd also like this explained clearly. My carbs are set at about the same float height as shown in your photo. I have the manual page but the instructions are not clear. There is still considerable movement in the floats due to the slop in the mechanism, even after the float needles are fully seated.

    Bike runs fine after a recent full carb clean & rebuild, though one of the float bowls leaks, again I hear this is quite common - I just turn off the fuel tap when not riding it

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