Late Spanish 150 case to a 200.

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RBG
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Thu Mar 08, 2012 7:02 am

How easy are they to convert, I have one in the shed that has the room to open out.

Is it something I could get done at a local workshop or is it best to send it to a scooter shop.
Any tips or tricks and the cost?

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purple_pill67
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Thu Mar 08, 2012 9:20 am


RBG
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Fri Mar 09, 2012 1:09 am

Thanks for the link.
Looks like a reasonably easy job, there is no case to build up, weld up the 4 holes re-drill and tap and bore out for a 200cc cylinder.

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carlos fandango
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Fri Mar 09, 2012 9:03 pm

Yes it's very easy to, im doing my second one now.
Grind out the stud holes ready for welding.
Find a decent Ali welder , cost £20
Find a decent machinist , to bore out to 75mm and skim the gasket face and re still and tap the stud holes cost £40
The hardest part is deciding where the stud holes should be drilled so you've not got the barrel rotated from the correct position.
When i was young my Mom said "if you haven't got anything nice to say, say nothing at all " ..................... and people wonder why I'm quiet around them !

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