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Old 06-15-2008, 06:53 AM   #1
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Default Sirio Bearing Puller Installer

Somebody have any experience with this Sirio tool? Recommendable?

http://www.the-border.com/product.php?productid=29490

Is it for both bearings?

Any information is appreciated
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Old 06-15-2008, 07:32 AM   #2
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I don't know but this makes no sense:

Sirio .12 Bearing puller and installer set for .21 motors s01010012

Which one is it, .12's or .21's?

My bearing tool is the kitchen stove.
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Old 06-15-2008, 09:42 AM   #3
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These tools are awsome but you can only INSTALL the
bearings with them, you cannot remove them.
It took me 20 secs to install both front and rear bearings.

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Old 06-15-2008, 02:11 PM   #4
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Best method is to heat case and remove bearings. Same for install, heat case, freeze bearings to install. The tool will most likely only work on Sirio based engines due to the odd inner size of the rear bearing size, so keep this in mind.
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Old 06-19-2008, 04:21 PM   #5
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Guys, thanks for your informations.

In the meantime the shop sent me an answer. They say it is an installer AND remover. I asked them now if it is a tool for all engines or only for Sirio engines. IŽll post the answer as soon as I get one.

IŽve been doing the oven "trick". Works perfect. But somewhere on a race usually there is no oven :-)
So for this case a "universal" bearing puller/extractor and installer would be a reasonable investion, I think. I read about the JP Racing tool for the front bearing http://www.the-border.com/product.ph...5&cat=0&page=1. Seems to be cheap and good. So all I am missing is a price-worth universal tool for the rear bearing.

Of course there are some of them. For example the RB extractor (very expensive and too specific)
http://www.rbproducts.com/mainEn.php...ille=DIV&go=go

or the GRP/Ninja engine tools (cheaper but still expensive):http://www.grpgandini.com/uk/motori_...ystline-a.html

Any recommendations or ideas?
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Old 06-19-2008, 04:24 PM   #6
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I have never had any reason to change an engine bearing at the track but if you really feel the need to do so just get a blowtorch.
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Old 06-20-2008, 07:34 PM   #7
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I have the Sirio .12 installer works perfect but I highly recommend the Rb extractor it works with all engines.12 & .21 expensive but well worth it if you run 1/10th & 1/8th
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Old 06-23-2008, 05:29 AM   #8
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So the .12 Sirio Bearing Extractor works only with Sirio engines used diameter. Thats the information I became from the shop.

GMartinez:
so you use it as an installer tool? Does it work with all diameter for installation purpose and only for special diameter for extracting?

Because if it works as an installer for all diameter I would only need the RB extractor and not additional RB installer, which are also pretty expensive and also specialized for certain diameters.
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Old 06-27-2008, 07:01 PM   #9
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Quote:
Originally Posted by ivanhoes View Post
So the .12 Sirio Bearing Extractor works only with Sirio engines used diameter. Thats the information I became from the shop.

GMartinez:
so you use it as an installer tool? Does it work with all diameter for installation purpose and only for special diameter for extracting?

Because if it works as an installer for all diameter I would only need the RB extractor and not additional RB installer, which are also pretty expensive and also specialized for certain diameters.
If the inner diameter for .12 are the same should be no issue I noticed majority difference is on the width 11.5 -12 for bearrings
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Old 07-18-2008, 02:24 AM   #10
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Default Answer from GRP regarding their engine tool kit

Answer from GRP regarding their engine tool kit

"Please note that our engine tooling kit system 9001-01 and 9002-01 work with specific bearing sizes. That is:

.12 engine: front bearing 7x19x6mm rear bearing 12x21x5mm
.21 engine: front bearing 7x17x5mm rear bearing 14x25,4x6mm"

seems like there is nothing better then the RB products as an "universal" tool
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