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Author Topic: Big bore kit  (Read 287 times)

Monty

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Big bore kit
« on: January 30, 2018, 07:03:44 PM »

Hi guys does anyone know of a big bore kit that will fit  straight onto my rx 125 2004. I read somewhere that a bore kit for a Suzuki Dr 125 will fit but the Suzuki is a 2 valve and my rx is a four valve. I don't want to have to mess with the piston to accommodate valves. Any other options plz?
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Cloud

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Re: Big bore kit
« Reply #1 on: January 30, 2018, 10:12:12 PM »


As far as I'm aware, nothing easy, otherwise we'd be using it for making the GT250 bikes into GT285 or whatever.
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umop-ǝpisdn

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Re: Big bore kit
« Reply #2 on: January 31, 2018, 12:39:28 AM »

How different is the GT barrel and head combo from the RX?
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umop-ǝpisdn

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Re: Big bore kit
« Reply #3 on: January 31, 2018, 12:43:04 AM »

Also, looking at the dr-z400sm engine, besides being water cooled and utterly different in every way, the mounting points don’t look too dissimilar.

Undoubtedly a ridiculous amount of hidden traps to a project like that though.
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Cloud

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Re: Big bore kit
« Reply #4 on: January 31, 2018, 12:52:24 AM »

How different is the GT barrel and head combo from the RX?

The DOHC RX is essentially half a GT250.
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