Has anyone had any success repairing an MC18 RC Valve Control Box? I am having difficulty sourcing a used one so I am considering opening it up and attempting to repair it. Any experience you have would be appreciated.

Gerry

I don't know about repairing them, but you would be able to get one from Yahoo! Auctions in Japan easily enough.

Supporting Members have access to a proxy bidder who can arrange everything in the Members Area.
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Andy.
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Have you looked on Yahoo Japan first?

Or tried someone like ilovemotor.jp
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Andy wrote:I don't know about repairing them, but you would be able to get one from Yahoo! Auctions in Japan easily enough.

Supporting Members have access to a proxy bidder who can arrange everything in the Members Area.

Thanks Andy. I see that the parts manual lists a few different control boxes depending on the serial number of the bike. From your experience do you know if the boxes are interchangeable, or do I have to get one from a specific series of MC18?

Are you talking about the servo motor? I might have a spare, what's the part number on yours?

there is a company over here in Perth WA that can test and repair the pgm unit/ they are called CARMO electronics - i found them on the web and used them for my mc18 race bike. i beleive that sent the unit to holland for testing but not sure but i had the pgm tested and back in the bike in 2 weeks

xspire wrote:
Thanks Andy. I see that the parts manual lists a few different control boxes depending on the serial number of the bike. From your experience do you know if the boxes are interchangeable, or do I have to get one from a specific series of MC18?

Only the MC16 and the 1988 MC18 use a separate RC Valve control unit. I expect they will probably be interchangeable, but whether they use the same RC Valve timing is another matter.

However, I expect any part number (control unit) from an '88 MC18 will work on any other '88 MC18, irrespective of PGM-I/frame number.

Make sure you have your RC Controller/RC Servo/PGM (or CDI, in the case of MC16) terminology correct. Not saying you haven't, but there are comments on this thread now that are starting to confuse the topic.

For reference only:

1987 MC16 -- Twin CDI's, with separate RC Valve control unit
1988 MC18 -- PGM-I, with separate RC Valve control unit
1989 MC18 -- PGM-II, with integrated RC Valve control circuit
90~93 MC21 -- PGM-III, with integrated RC Valve control circuit
94~ MC28 -- PGM-IV, with integrated RC Valve control circuit
_________________
Andy.
NSR-WORLD.COM

Please keep all responses to Forum posts on the Forum so that others may benefit.

Please DO NOT PM me for technical advice. My time is precious, and you will probably receive a faster response on the Forum anyway.

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Maybe take a look at these for example?

http://page6.auctions.yahoo.co.jp/jp/auction/f113108071

http://page18.auctions.yahoo.co.jp/jp/auction/w73716241
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