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

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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.

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

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

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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.

Here is the sensor installed

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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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Originally Posted by
ShapeShifter
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 09:20 AM.
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