Yuminashi cam, ECU corrector, dual valve springs, 31mm throttle body install
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Yuminashi cam, ECU corrector, dual valve springs, 31mm throttle body install

This is a discussion on Yuminashi cam, ECU corrector, dual valve springs, 31mm throttle body install within the Grom Performance forums, part of the Honda Grom Garage category; Sent from my iPad using HondaGrom.net...

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Thread: Yuminashi cam, ECU corrector, dual valve springs, 31mm throttle body install

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    Yuminashi cam, ECU corrector, dual valve springs, 31mm throttle body install

    Yuminashi cam, ECU corrector, dual valve springs, 31mm throttle body install-imageuploadedbyhondagrom.net1382706774.130588.jpg


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    As you can see the throttle bodies are similar in many ways to the CBR125 intake, but the Yuminashi is quite nice and has a polished intake. It uses the same TPS with the IAT integrated into the unit which eliminates the need for the stock one if you choose to use this one instead using the included adaptor cable. It also has a larger intake diameter at 31.05mm vs the cbr at 26.9mm.

    Yuminashi cam, ECU corrector, dual valve springs, 31mm throttle body install-imageuploadedbyhondagrom.net1382707419.021135.jpg


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    Attached Thumbnails Attached Thumbnails Yuminashi cam, ECU corrector, dual valve springs, 31mm throttle body install-imageuploadedbyhondagrom.net1382707301.140906.jpg  

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    Also needed, to be purchased separately is the intake manifold, which is also polished and looks to be very nice quality.

    Yuminashi cam, ECU corrector, dual valve springs, 31mm throttle body install-imageuploadedbyhondagrom.net1382707671.738270.jpg


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    yuminashi ECU corrector next to the API tech controller. Other than the sticker, externally they look exactly the same.

    Yuminashi cam, ECU corrector, dual valve springs, 31mm throttle body install-imageuploadedbyhondagrom.net1382707886.354729.jpg


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    Last,but not least the double springs to prevent valve float and the SX 250 7.1 cam.

    Yuminashi cam, ECU corrector, dual valve springs, 31mm throttle body install-imageuploadedbyhondagrom.net1382708040.950183.jpg


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    Ill also be putting the yoshimura pipe back on, but for now Im using the faddy bike stainless downpipe and stock Muffler. i didn't really want to make a hole in the header on the yosh header pipe for the Wideband 02 bung.

    Yuminashi cam, ECU corrector, dual valve springs, 31mm throttle body install-imageuploadedbyhondagrom.net1382708228.449319.jpg

    Here is the sensor installed

    Yuminashi cam, ECU corrector, dual valve springs, 31mm throttle body install-imageuploadedbyhondagrom.net1382708281.824777.jpg


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    Now to install this stuff...


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    sweet. cannot wait for the results
    Leovince Carbon Can / Arrow Downpipe / MRA Screen / Koso Mirrors / Chinese shorty Leavers / Airbox Mod

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    Awesome. Too bad they flaked on the head you ordered. If the TB is 31mm, how big is the intake port on the stock head?




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    Quote Originally Posted by ShapeShifter View Post
    Awesome. Too bad they flaked on the head you ordered. If the TB is 31mm, how big is the intake port on the stock head?
    About 21mm, so were counting on velocity here, not volume. Last i heard they were still testing the head, so they are probably not quite ready for production yet. The head is where we will probably see the biggest gain in combination with these parts.

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    Last edited by Snakeibf; 10-25-2013 at 08:20 AM.

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