Twin 500cc upgrade to 600cc..?

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yamaha_nisse

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Hi,

I have a 500cc SXR twin. And i want to upgrade it to a 600cc..

Do the 600cc have the same stroke?
So its just to take cyl/head/pistons from the 600 and bolt on to my 500?

Also, if someone has a pair of 600 cyl + head. I'm interested.

Clutching is a later question ;D

Thanks Rasmus
 
you will need, carbs, wire harness, head, cylinders, pistons, clutching and gears.

for all the work, updating to a tripple would be a better move, more parts but they last longer and are better on fuel
 
yamaha_nisse said:
Hi,

I have a 500cc SXR twin. And i want to upgrade it to a 600cc..

Do the 600cc have the same stroke?
So its just to take cyl/head/pistons from the 600 and bolt on to my 500?

Also, if someone has a pair of 600 cyl + head. I'm interested.

Clutching is a later question ;D

Thanks Rasmus
Click to expand...

Hey Rasmus is it hard to be Nisseman?.............................yeah its hard to be a nisseman............
 
norwegian said:
LOL. Howcome you heard of that? That' a qoute from a norwegian advent tv show! :) man never thought t hat would reach all the way to canada?
Click to expand...


.......Lol , it didnt, i worked in Norway, i used to know the words to a bunch of the songs, still makes me laugh to think about 'The Yulekalander'.
 
BETHEVIPER said:
you will need, carbs, wire harness, head, cylinders, pistons, clutching and gears.

for all the work, updating to a tripple would be a better move, more parts but they last longer and are better on fuel
Click to expand...


Carbs? They have the same specs?! Mikuni TM36x2. Re-jet maybe.
How come I need a new harness?!

Gears and clutching I would prob have in the garage aswell.

But I'm restoring a SXR 500 '01, that I'm gonna have as a spare sled or just sell it!
So I want to stick with the twin. I know the benfits of the tripple, but not for this project!
The motor just need overhaulin, so its just as cheap to upgrade it to a 600.

Cyl, head and piston is like 250$ and then I can sell the left over parts from mine for like 150-200$

The SXR600 twin is VERY rare in Sweden.
 
Should be able to just swap the top ends. Case/stroke are the same, cylinders will slide right on. If you say the carbs are the same then a rejet should cover that. As for the CDI, I don't believe that there is anything different. Timing program might me a little different, but probably not enough to make a difference. I wouldn't be surprised if it was the same part though.
 
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